One of things I wanted to accomplish when I began learning more about electronics was to build a small device from the ground up. This would include sourcing all parts, writing the necessary code, and designing and 3D printing an enclosure for the device. Given the state the world at this time, as my first foray into electronics design, I decided to make a little device to keep track of US COVID-19 stats.
"Blue noise" is a term used in computer graphics to describe noise that is uniformly distributed. It is often used in procedural generation techniques to place objects during terrain generation that require a roughly even distribution across a landscape. This post will go into an implementation of Poisson Disk sampling, a super straightforward blue noise generator that I've been using on recent projects. 😄
What started as an attempt to demonstrate how interrupts and grayscale rendering works on the TI series graphing calculators turned into a full-blown attempt at writing an emulator that would be runnable in a modern browser using a combination of Rust 🦀 and WebAssembly 🕸. The idea came to me while walking through the Rust + WebAssembly tutorial, where I realized that many of the same abstractions could apply to an emulated system.
Through some backups, I recently re-discovered a folder with some high school/college projects that I thought had been lost to the sands of time. One of them was an early attempt at a small RPG written in Z80 assembly for the TI-86 graphing calculator. I know what you’re thinking -- what did I do wrong to be tortured in such a way?
My second project in Rust is a little more practical than my first (which you can read here). This project involves creating a command-line utility that is able to interact with the Bear Writer application, an OS X app that I use for taking notes, writing blogs, and generally keeping my life organized in a single, cloud-synced place.
As part of an Arduino hobby project, I wanted to set up a development environment that steered clear of the Arduino IDE and gave me an easy-to-use toolchain that fit in with my existing tools. While the Arduino IDE is useful for simple sketches, once I moved into anything remotely complex I yearned for the features provided by modern day text editors such as Sublime Text or VS Code. This post documents my journey to the almost perfect (for me) dev environment for Arduino and other micro-controllers.
In an effort to do more fun side projects, I've been learning Rust, a wonderful systems programming language developed by the Mozilla Foundation. It's been a while since I've touched a compiled language as my day-to-day often deals with Python and Javascript variants. I was inspired after seeing a lot of interesting articles about Rust usage and decided to dive into learning Rust by creating a very basic 2D game, inspired by the classic Defender arcade game.
As a fun side project, I've been gathering data on bills that are going through the U.S Senate. So far, the site itself is a pretty simple web app to display bill status information in an easier to digest format. This is the first step of many in my goal for an in-depth analysis of the different of bills that are going through the Senate (and eventually House of Representatives). Through integration with other publicly available data hopefully we can gather some interesting insights that are not normally readily available to a layperson.
A long-awaited continuation of my previous post, in this one we will go into the exciting intricacies of:
Many moons ago, I worked on a college project that required procedurally generating a "realistic" planet in 3D space. The original implementation created a mesh in the form of the UV sphere and then applied a particle deposition to create the terrain.
With all the talk about deep learning and neural networks, I thought it'd be fun to revisit one of my favorite applications of artificial neural networks (ANNs) -- dynamic branch prediction.
2015 has come and gone in a hurry and we are already 1/2th of the way into 2016. Reflecting on the past year it seems as if the list of things I wish to accomplish has grown larger and the time in which to accomplish them seems to have grown shorter. Startups tend to do that.
In an inspirational and aspirational speech to a crowd of 35,000 on September 12, 1962 John F. Kennedy outlined his goals for the nation's space effort.
Climbers who lead routes often speak of having good "lead head" (lead as in leader), a mental state that lets you break through plateaus in training or climb challenging routes without that irrationally rational doubt and uncertainty plaguing your mind. There are even classes where the very purpose is to mentally train those who wish to push their limits.
Amid the flurry of preparation for a new year, I sat down to reflect upon the one that has just passed. Every year I enter the next a little more optimistic and a little more excited. Part of it due to the potential of unknown unknowns (be it good or bad), and part of it due to thought of spending another year with those that I truly care about and those that I enjoy being around.
There would be those who see a lot of glamour in start-ups and the whole concept of entrepreneurship. It is romanticized by the media who broadcasts million dollar valuations and billion dollar acquisitions. And for many, it is the ultimate meritocracy, appealing to those whom other cracies never appealed. The meritocracy was a guarantee that those with the smarts and know-how were adequately rewarded while those who fell short of godliness, failed. It evened the playing field for all, so much so that even the most out of place could still find a place.
If you didn't know, Google has a really useful search
feature that allows you to
find the definition of any word or phrase when using the define:
prefix on
your search term. This along with the built-in OSX dictionary provides an
incredibly useful set of tools to find any definition as quickly as possible.
Hemingway recalled his experiences as a young man living in Paris as a moveable feast. The people he met, the skills he learned and refined, and the ideas he was exposed to during those times stuck with him until the very end. It molded him into the person he would become.
For as long as I could remember I have always wanted to create. To create programs, to create art, to create ideas -- to just create! And these creations never had to be in any creative or even practical capacity. Hell, they don't even have to be good or useful in anyway. There lay an incredible feeling of joy in my ability to make something that did not exist before.
The end of another year.
Recently I have been involved in the process of designing and creating an academic poster detailing portions of my research in a manner that conveys it in a clear, meaningful way. This turns out to be very difficult task.
Another year in closing, another one of those fantastic yearly recaps that I have the joy of writing. If I had these printed, why I could almost hear the sweet crumple crumple as people turn my riveting tales of adventure into a jump shot.
Every December I make a list of my favorite songs from the past year. Or at least I try. My musical tastes are eclectic and sometimes a little quirky which makes creating a list and checking it twice not so very nice. But enough talk! On to the music! Most of these picks were released this year, but there are the occasional that are not.
Recently, it dawned upon me that I haven't sat down and wrote down anything of substance for a while. Oh sure, there's the occasional research paper that I spearhead, but that often feels like work. Additionally, I can't just put it up somewhere for everyone to see while it's under review. And even after review, who wants to read some random research paper anyways?
Yesterday, if you weren't aware, was Mother's Day. As the years go by I find that my mother doesn't quite enjoy my hand paintings and macaroni encrusted picture frames as much as she had when I was five. Nowadays I simply opt for her favorite candies, which are so much her favorite that it has become almost mandatory with whatever else I intend to get. This candy has become so prevalent in holidays that I consider it a tax, an 'Andrew' tax if you will, that I'll be paying for years to come due the hassle of raising me.
Woohoo! Well it's been a while hasn't it? I had such delusions of blogging grandeur, but alas it's been a good 6 months since my last post. Let's remedy that, shall we?
After a week of hard work and dedication my partner and I finally completed our final project for our Computer Graphics class. Below is the description we sent in to our professor as part of our project describing what we did.
Update #2 on our CSE 167 Final Project
CSE 167 is a course I'm taking this quarter having to do with Computer Graphics. We've been working with OpenGL creating cool scenes while learning more about the underlying concepts. It's loads of work, but loads of fun as well.
Finally another update to our Multitouch project!
After months of planning and preparation, we are finally ready to get the project rolling. The major bottleneck was getting a project room to store all of our equipment (which took nearly a quarter to get =[ ), but now that that's out of the way, we're good to go! (See picture for a glimpse of our great view of the engineering courtyard!)
For those who don't know, I'm currently the President of the Computer Science and Engineering Society here at UCSD. We have multiple projects that we run each year and numerous events (such as programming contests, game nights, etc).
So a little background on my implementation (feel free to skip this)....
In my freshman year at UCSD I was recruited by CSES to work on a small game project. It was supposed to be generic enough so that the frontend (my game engine) could connect to a back-end that could be written in any language as long as it conformed to a set of standards we had. Things like retrieving player position, setting player position, getting maps, etc. So long story short, I needed a pathfinding algorithm for the game engine, and my experiment with the A* algorithm began.


---
layout: null
section-type: about
title: About
---
## About
Welcome to Gency's ??, where Gency puts random stuff up for his friends. btw go away cuz there's nothing here atm.
If you randomly stumbled across this and don't know me, it's best for you to ignore this.
Contact me on the bottom, there are many ways to contact me there.
{% comment %}
##
##
{% endcomment %}


hey, do you know which is the widely used search engine? It's google.. right?Go ahead and take a look by clicking on it's s name ;)


This chapter present functions that enable Slogan programs to interact with the host operating system. We see how to access the file system and system time. We also cover functions used for compiling and loading programs.
A path is a string that denotes a file, for example "src/readme.txt".
function: current_directory(@optional new_current_directory)
returns: the absolute normalized path of the current directory or void.
Calling this function with one argument sets the directory to new-current-directory and returns void.
function: path_expand(path, @optional origin_directory)
returns: an expanded path, which is an absolute path when `path` or origin_directory
are absolute paths.
function: path_normalize(path, @optional allow_relative, origin_directory)
returns: the normalized form of `path`.
All components of `path` and `origin_directory` must exist, except possibly the
last component of `path`. A normalized path is a path containing no redundant parts
and which is consistent with the current structure of the filesystem. A normalized path
of a directory will always end with a path separator (i.e. ‘/’, ‘\’, or ‘:’ depending on
the operating system). The optional `allow_relative` parameter, which defaults to false,
indicates if the path returned can be expressed relatively to origin_directory: a false
requests an absolute path, the symbol 'shortest requests the shortest of the absolute and
relative paths, and any other value requests the relative path. The shortest path is useful
for interaction with the user because short relative paths are typically easier to read
than long absolute paths.
// Examples:
path_expand("../f");
//=> /home/slogan/../f
path_normalize("../f");
//=> /home/f
path_normalize("../f", 'shortest);
//=> ../f
function: path_extension(path)
function: path_strip_extension(path)
function: path_directory(path)
function: path_strip_directory(path)
function: path_strip_trailing_directory_separator(path)
function: path_volume(path)
function: path_strip_volume(path)
returns: the various parts of `path`.
function: create_directory(path, permissions = 0o777)
returns: void
Creates a directory at `path`. `permissions` must be a 12-bit-exact-integer that
controls the UNIX permissions that will be attached to the directory if it is created.
function: create_link(source_path, destination_path)
function: create_symbolic_link(source_path, destination_path)
returns: void
Creates a hard/symbolic link between `source_path` and `destination_path`.
function: rename_file(source_path, destination_path)
returns: void
Renames the file `source_path` to `destination_path`.
function: copy_file(source_path, destination_path)
returns: void
Copies the file `source_path` to `destination_path`.
function: delete_file(path)
returns: void
Deletes the file `path` which must be the path to an existing file.
function: delete_directory(path)
returns: void
Deletes the directory `path` which must be the path to an existing directory.
function: list_directory(path, ignore_hidden = true)
returns: a list of files in the directory `path`.
`ignore_hidden` controls whether hidden-files will be returned.
Under UNIX and Mac OS X hidden-files are those that start with a period (such as
'.', '..', and '.profile'). A setting of false will enumerate all the files.
A setting of true will only enumerate the files that are not hidden.
A setting of 'dot_and_dot_dot will enumerate all the files except for the '.' and
'..' hidden files.
function: file_exists(path, @optional chase)
returns: true if the file `path` exists, false otherwise.
When `chase` is false (the default), symbolic links will not be chased, in
other words if `path` refers to a symbolic link, file_exists will return true
whether or not it points to an existing file.
function: file_info(path, @optional chase)
returns: a file-information record.
A file-information record is returned that contains the file's type,
the device number, the inode number, the mode (permission bits),
the number of links, the file's user id, the file's group id, the file's
size in bytes, the times of last-access, last-modification and last-change,
the attributes, and the creation time.
When `chase` is false (the default), symbolic links will not be chased, in other
words if path refers to a symbolic link the file-info procedure will return
information about the link rather than the file it links to.
function: is_file_info(obj)
returns: true if `obj` is a file-information object, false otherwise.
function: file_info_type(fi)
function: file_info_device(fi)
function: file_info_inode(fi)
function: file_info_mode(fi)
function: file_info_number_of_links(fi)
function: file_info_owner(fi)
function: file_info_group(fi)
function: file_info_size(fi)
function: file_info_last_access_time(fi)
function: file_info_last_modification_time(fi)
function: file_info_last_change_time(fi)
function: file_info_creation_time(fi)
function: file_info_attributes(fi)
returns: the various fields of the file-information record `fi`.
For file_info_type, the returned value is one of the following symbols:
'regular - regular file
'directory
'character_special - character special device
'block_special - block special device
'fifo
'symbolic_link
'socket
'unknown - file is of an unknown type
For file_info_last_access_time, file_info_last_modification_time,
file_info_last_change_time and file_info_creation_time the return value is a
UNIX timestamp. (seconds elapsed since the UNIX epoch).
function: file_type(path)
function: file_device(path)
function: file_inode(path)
function: file_mode(path)
function: file_number_of_links(path)
function: file_owner(path)
function: file_group(path)
function: file_size(path)
function: file_last_access_time(path)
function: file_last_modification_time(path)
function: file_last_change_time(path)
function: file_creation_time(path)
function: file_attributes(path)
returns: the various attributes of the file `path`.
These functions combines a call to file_info with an accessor to one of the
file-information object's fields.
For file_type, the returned value is one of the following symbols:
'regular - regular file
'directory
'character_special - character special device
'block_special - block special device
'fifo
'symbolic_link
'socket
'unknown - file is of an unknown type
For file_last_access_time, file_last_modification_time, file_last_change_time and
file_creation_time the return value is a UNIX timestamp. (seconds elapsed since the UNIX epoch).
function: os_name()
returns: the operating system name as a string, false if the OS name cannot be determined.
function: host_name()
returns: the machine's host name as a string.
function: host_info(host_name)
returns: a host-information record.
Accesses the internet host database to get information about the
machine whose name is denoted by the string host_name. The host-information record
that is returned will contain the official name of the machine, a list of aliases
(alternative names), and a non-empty list of IP addresses for this machine.
An exception is raised when host_name does not appear in the database.
function: is_host_info(obj)
returns: true if `obj` is a host-information object, false otherwise.
function: host_info_name(hi)
function: host_info_aliases(hi)
function: host_info_addresses(hi)
returns: the variuos fields of the host-information object `hi`.
function: shell_command(command, @optional capture)
returns: the exit status of the shell or a pair with the exit status and
the output string of `command`.
Calls up the shell to execute `command` which must be a string.
If `capture` is true, returns a pair consisting of the exit status of the shell in the
head field, and the captured output in the tail field. Be advised that the shell that is used,
and consequently the syntax of command, depends on the operating system.
On Unix, the shell `/bin/sh` is usually invoked.
// Examples:
let r = shell_command("date");
//-> Tue Jun 7 10:16:02 IST 2016
r;
//=> 0
let r = shell_command("date", true);
r;
//=> 0:"Tue Jun 7 10:16:07 IST 2016\n"
function: exit(status = 0)
returns: unspecified
Terminates the current process with `status` which must be an exact integer
in the range 0 to 255.
function: command_line()
returns: a list of command-line arguments passed to the current process.
function: command_line_user_args()
returns: similar to `command_line()` but filters out all arguments processed by
the Slogan process.
// Example:
// test.sn
showln(command_line())
showln(command_line_user_args())
$ slogan -e test.sn hello world
//-> [slogan, -e, test.sn, hello, world]
//-> [slogan, hello, world]
function: getenv(name, @optional default)
returns: the value of the environment variable `name` of the current process.
function: setenv(name, @optional new_value)
returns: void
Changes the binding of the environment variable `name` to `new_value` which must be a string.
If `new_value` is not specified the binding is removed.
Time is measured as real time (aka "wall" time) and cpu time (the amount of time the cpu has been executing the process). The resolution of the real time and cpu time clock is operating system dependent. Typically the resolution of the cpu time clock is rather coarse (measured in "ticks" of 1/60th or 1/100th of a second). Real time is internally computed relative to some arbitrary point in time using floating point numbers, which means that there is a gradual loss of resolution as time elapses. Moreover, some operating systems report time in number of ticks using a 32 bit integer so the value returned by the time related procedures may wraparound much before any significant loss of resolution occurs (for example 2.7 years if ticks are 1/50th of a second).
(The "epoch" is 00:00:00 Coordinated Universal Time 01-01-1970).
function: now(@optional milliseconds)
returns: as association list with the various components of time.
If `milliseconds` is not provided, the current system time is returned.
Otherwise, `milliseconds` is parsed to time components and returned.
// Examples:
now();
//=> [seconds:38, minute:29, hour:21, month_day:18, month:5, year:2016,
week_day:6, year_day:169, is_utc: false, is_dst:false]
now(now_seconds());
//=> [seconds:0, minute:2, hour:22, month_day:18, month:5, year:2016,
week_day:6, year_day:169, is_utc: false, is_dst:false]
function: now_seconds(@optional tm)
returns: time as seconds elapsed since the epoch.
The epoch is 00:00:00 Coordinated Universal Time 01-01-1970.
If `tm` is the result of calling `now()`, the milliseconds representing that time is returned.
Otherwise, the current system time as seconds (with nanosecond precision) is returned.
// Examples:
now_seconds();
//=><PHONE_NUMBER>.959915
now_seconds(now());
//=><PHONE_NUMBER>
function: now_utc()
returns: as association list with the various components of the current UTC time.
function: time_to_string(time)
returns: the association list `time` as a ISO-8601 encoded string.
// Example:
time_to_string(now());
//=> 2016-07-21T20:55:45
function: string_to_time(s)
returns: an association list that contains the components of the ISO-8601 encoded string `s`.
// Example:
string_to_time(time_to_string(now()));
//=> [seconds:52, minute:58, hour:20, month_day:21, month:7, year:2016,
week_day:4, year_day:203, is_utc:false, is_dst:false]
function: process_times()
returns: a three element f64 array containing the cpu time that has been used by the program and
the real time that has elapsed since it was started.
The first element of the result corresponds to "user" time in seconds, the second element
corresponds to "system" time in seconds and the third element is the elapsed real time in seconds.
On operating systems that can't differentiate user and system time, the system time is zero.
On operating systems that can't measure cpu time, the user time is equal to the elapsed real
time and the system time is zero.
function: real_time()
returns: the real time that has elapsed since the program was started.
function: cpu_time()
returns: the cpu time in seconds that has been used by the program (user time plus system time).
syntax: time(expr)
returns: the result of evaluating the expression expr.
As a side effect `time` displays a message on the standard output which indicates how
long the evaluation took (in real time and cpu time), how much time was spent in the
garbage collector, how much memory was allocated during the evaluation and how many
minor and major page faults occurred.
`time` is a special function implemented in the compiler, and cannot be rebound to a new object.
function: compile(script, @key assemble, exe, ld_options, cc_options, output, exception_handler)
returns: void
Compiles the `script` file containing Slogan source code into machine code.
If `exe` is true, `script` is compiled to produces a standalone executable.
If `assemble` is true, only a dynamically loadable file of machine instructions is generated.
If provided, `ld_options` must be a string that specifies additional command-line options
for the linker.
If provided, `cc_options` must be a string that specifies additional command-line options
for the C compiler.
The name of the generated file may be customized using `output`.
If provided, `exception_handler` must be a function that takes a single argument.
If compilation raises an exception, this function will be called with the error object
as the argument.
function: load(script, @optional force_compile)
returns: the name of the compiled script file.
Loads the object code file named `script`. If it is not found looks for `script.sn`,
compiles it into the intermediate language and loads it into the runtime system.
If `force_compile` is true, the file `script.sn` is compiled even if a previous version
of the intermediate file exists.
function: reload(script)
returns: the name of the compiled script file.
Same as calling `load` with `force_compile = true`.
`load` and `reload` are the preferred functions for loading scripts into the REPL.
function: link(script)
returns: the name of the machine code file.
Loads the object code file named `script`. If it is not found looks for `script.sn`,
compiles it into machine code and loads it.
function: eval(expr)
returns: the value of evaluating the compiled expression `expr`.
// Example:
let e = expression(stream_tokenizer(false));
// type the expression `2 + sqrt(10);` and press enter.
eval(e);
//=> 5.16227766016838


This website was generated by {{site.author}} as an assignment for {{site.course}} organized by {{site.organizer}}.


The following examples are typical filter functions you may want.
The most common use case is to select a lot of liquid stocks. With a coarse universe filter, this is simple and fast. The following example selects the top most liquid 500 stocks over $10 per share.
IEnumerable<Symbol> CoarseFilterFunction(IEnumerable<CoarseFundamental> coarse) { // Linq makes this a piece of cake; return (from c in coarse where c.DollarVolume > 10000000 && c.Price > 10 orderby c.DollarVolume descending select c.Symbol).Take(500); }
def CoarseFilterFunction(self, coarse: List[CoarseFundamental]) -> List[Symbol]: sortedByDollarVolume = sorted(coarse, key=lambda x: x.DollarVolume, reverse=True) filtered = [ x.Symbol for x in sortedByDollarVolume if x.Price > 10 and x.DollarVolume > 10000000 ] return filtered[:500]
Another common request is to filter the universe by a technical indicator, such as only picking stocks above their 200-day EMA. The CoarseFundamental
object has adjusted price and volume information, so you can do any price-related analysis.
ConcurrentDictionary<Symbol, SelectionData> _stateData = new ConcurrentDictionary<Symbol, SelectionData>(); // Coarse filter function IEnumerable<Symbol> CoarseFilterFunction(IEnumerable<CoarseFundamental> coarse) { // Linq makes this a piece of cake; return (from c in coarse let avg = _stateData.GetOrAdd(c.Symbol, sym => new SelectionData(200)) where avg.Update(c.EndTime, c.AdjustedPrice) where c.DollarVolume ><PHONE_NUMBER> && c.Price > avg.Ema orderby c.DollarVolume descending select c.Symbol).Take(10); }
# setup state storage in initialize method self.stateData = { } def CoarseFilterFunction(self, coarse: List[CoarseFundamental]) -> List[Symbol]: # We are going to use a dictionary to refer the object that will keep the moving averages for c in coarse: if c.Symbol not in self.stateData: self.stateData[c.Symbol] = SelectionData(c.Symbol, 200) # Updates the SymbolData object with current EOD price avg = self.stateData[c.Symbol] avg.update(c.EndTime, c.AdjustedPrice, c.DollarVolume) # Filter the values of the dict to those above EMA and more than $1B vol. values = [x for x in self.stateData.values() if x.is_above_ema and x.volume ><PHONE_NUMBER>] # sort by the largest in volume. values.sort(key=lambda x: x.volume, reverse=True) # we need to return only the symbol objects return [ x.symbol for x in values[:10] ]
In this example, the SelectionData
class group variables for the universe selection and updates the indicator of each asset. We highly recommend you follow this pattern to keep your algorithm tidy and bug free. The following snippet shows an example implementation of the SelectionData
class, but you can make this whatever you need to store your custom universe filters.
class SelectionData(object): def __init__(self, symbol, period): self.symbol = symbol self.ema = ExponentialMovingAverage(period) self.is_above_ema = False self.volume = 0 def update(self, time, price, volume): self.volume = volume if self.ema.Update(time, price): self.is_above_ema = price > ema
// example selection data class private class SelectionData { // variables you need for selection public readonly ExponentialMovingAverage Ema; // initialize your variables and indicators. public SelectionData(int period) { Ema = new ExponentialMovingAverage(period); } // update your variables and indicators with the latest data. // you may also want to use the History API here. public bool Update(DateTime time, decimal value) { return Ema.Update(time, value); } }
Note that the preceding SelectionData
class uses a manual EMA indicator instead of the automatic version. For more information about universes that select assets based on indicators, see Indicator Universes.
The process to get the 10-day SMA stock volume is the same process as in Example 2. First, you should define a SelectionData
class that performs the averaging. For this example, the following class will serve this purpose:
class SelectionData(object): def __init__(self, symbol, period): self.symbol = symbol self.volume = 0 self.volume_ratio = 0 self.sma = SimpleMovingAverage(period) def update(self, time, price, volume): self.volume = volume if self.sma.Update(time, volume): # get ratio of this volume bar vs previous 10 before it. self.volume_ratio = volume / self.sma.Current.Value
private class SelectionData { public readonly Symbol Symbol; public readonly SimpleMovingAverage VolumeSma; public decimal VolumeRatio; public SelectionData(Symbol symbol, int period) { Symbol = symbol; VolumeSma = new SimpleMovingAverage(period); } public bool Update(DateTime time, decimal value) { var ready = VolumeSma.Update(time, value); VolumeRatio = value / VolumeSma; return ready; } }
This class tracks the ratio of today's volume relative to historical volumes. You can use this ratio to select assets that are above their 10-day simple moving average and sort the results by the ones that have had the biggest jump since yesterday.
def CoarseFilterFunction(self, coarse: List[CoarseFundamental]) -> List[Symbol]: for c in coarse: if c.Symbol not in self.stateData: self.stateData[c.Symbol] = SelectionData(c.Symbol, 10) avg = self.stateData[c.Symbol] avg.update(c.EndTime, c.AdjustedPrice, c.DollarVolume) # filter the values of selectionData(sd) above SMA values = [sd for sd in self.stateData.values() if sd.volume > sd.sma.Current.Value and sd.volume_ratio > 0] # sort sd by the largest % jump in volume. values.sort(key=lambda sd: sd.volume_ratio, reverse=True) # return the top 10 symbol objects return [ sd.symbol for sd in values[:10] ]
IEnumerable<Symbol> CoarseFilterFunction(IEnumerable<CoarseFundamental> coarse)
{ return (from c in coarse let avg = _stateData.GetOrAdd(c.Symbol, sym => new SelectionData(10)) where avg.Update(c.EndTime, c.Volume) where c.Volume > avg.VolumeSma orderby avg.VolumeRatio descending select c.Symbol).Take(10); }
You can construct complex universe filters with the SelectionData
helper class pattern. To view a full example of this algorithm, see the EmaCrossUniverseSelectionAlgorithmEmaCrossUniverseSelectionAlgorithm in the LEAN GitHub repository or take the related Boot Camp lesson.


| ID | ${membership.membershipid} |
|---|---|
| Created | ${membership.createdFormatted} |
| Full name | ${membership.firstName} ${membership.lastName} |
| Contact email | ${membership.contactEmail} |
| Display name | ${membership.displayName} |
| Display email | ${membership.displayEmail} |
| Date of birth | ${membership.dob} |
| Phone | ${membership.phone} |
| Occupation | ${membership.occupation} |
| Location | ${membership.location} |
| Company name | ${membership.companyName} |
| Website | ${membership.website} |


Interactive Mode¶
With Golem the execution of a test can be paused at any point and start an interactive console that has all the Golem commands at disposal. This is extremely useful when writing and debugging tests.
Debug action¶
To start the interactive console at any point of a test just add the 'debug' action. Example:
test.py
def test(data):
navigate('http://wikipedia.org/')
debug()
click(page.button)
capture('final screenshot')
When the test reaches the second step, the interactive console is going to start:
When the interactive console is terminated, the test will resume the execution from that point on.
Note
If the test is not run with the -i flag, the debug actions will be ignored
Quick Interactive Mode¶
It is posible to start a quick interactive mode by not providing a project and test to the run command:
golem run -i
This will start an interactive console with a clean slate.
Next, go to Golem Public API


My test website - Title
Here is a list of my three favorite basketball players
LeBron James
Kobe Bryant
Dwyane Wade
Some HTML basics
Switch User


Taps
Taps is a lightweight Unit Test library optimized for asynchronous code. It has been implemented using RxSwift and therefore you can easily test your own Observables with ease, but no RxSwift knowledge is needed.
As the generated output is TAP13 compatible, you can easily customize it yourself. You can either use Taps integrated TapsHarness or you can use the pod TestHarness to customize the output.
You’ll find the autogenerated docs here.
Example
Taps assumes all tests to be concurrent. That said it is quite easy to run them:
taps.test("test async completion", timeout: 0.1) { t in
DispatchQueue.global().async {
t.pass()
t.end() // this terminates the test
}
}
But instead of always being forced to call the t.end()
when testing synchronous code,
you can add a plan for all expected tests.
taps.test("test does not throw on return", plan: 1) { t in
t.doesThrow("does throw is ok when throwing") {
return 1
}
}
Since Taps uses RxSwift under the hood it really shines, when it comes to testing Observable
s.
If your tested Observable
completes, the test will automatically be finished!
tape.test("just emits", timeout: 0.01) { t in
Observable.just(3)
.map { $0 + 1 }
.test(
onNext: t.notEqual(to: 3, "just emits 3"),
onError: t.fail(with: "just won't throw'")
)
}
License
Finite is available under the MIT license. See the LICENSE file for more info.


We redefine services!
- expedite open-source mindshare
- envisioneer strategic architectures
- generate cross-media synergies
- reinvent innovative e-business
- target visionary supply-chains
- utilize scalable interfaces
- drive world-class applications
- matrix one-to-one bandwidth
- e-enable holistic supply-chains
- scale proactive eyeballs
- matrix open-source channels
- repurpose transparent web services
- deploy web-enabled relationships
- redefine bricks-and-clicks infomediaries


Grid layout keyboard accessibility
The example below features a list of search result implementing the grid pattern.
Each search result has the role "row" and it is made of 3 grid cells. The first one will automatically focus the link when selected
World Wide Web Consortium
WAI-ARIA, the Accessible Rich Internet Applications Suite, defines a way to make Web content and Web applications more accessible to people with disabilities.
World Wide Web Consortium
In this document, states and properties are both treated as aria-prefixed markup attributes. However, they are maintained conceptually distinct to clarify subtle ...
World Wide Web Consortium
Mar 20, 2014 - This is the WAI-ARIA 1.0 W3C Recommendation from the Protocols & Formats Working Group of the Web Accessibility Initiative. The Working ...
World Wide Web Consortium
The mission of the Accessible Rich Internet Applications Working Group (ARIA WG) is to develop technologies that enhance accessibility of web content for ...
World Wide Web Consortium
Jul 21, 2016 - This version of ARIA 1.1 changes the aria-kbdshortcuts property to aria-keyshortcuts , expands roles that can be used in combo boxes, adds a ...
World Wide Web Consortium
This section defines the WAI-ARIA role taxonomy and describes the characteristics and properties of all roles. A formal RDF / OWL representation of all the ...


Programming and design: Mahesh Kurmi. calc3D is a feature-rich yet easy-to-use data visualization and graph plotting software. To add different elements either click on buttons in toolbar or select from menu>>insert>>...
Add a point in 3D space defined as (x,y,z) to the scene |
|
| Add a line joining 2 points in 3D space to the scene | |
Add a 2D curve(cartesian or polar) defined as y=f(x), or r=f(t) |
|
Add an implicit 2D curve(cartesian or polar) defined as f(x,y)=0, or f(r,t)=0/code> |
|
Add a parametric curve in 3D space defined as x=f(t),y=g(t),z=h(t)) where t is parameter |
|
Add a plane in 3D space defined as ax+by+cz+d=0 to the scene |
|
Add a explicit surface in 3D space defined as z=f(x,y) to the scene |
|
Add an implicit surface in 3D space defined as f(x,y,z)=0 to the scene, not that it may take some time to build, as it uses marching cube algorithm |
|
Add a parametric surface in 3D space defined as x=f(u,v),y=g(u,v),z=g(u,v)) to the scene |
|
Add Premitive e.g. ellipsoid, torous, prism etc.. to the scene |
| Toggles antialiasing (smooth draw), but note that antialiasing makes rendering slow. | |
| Toggles light Source on/off, to add/remove light sources go to preferences>>render setting tab. | |
| Toggles stereoscopy (3D anaglyph) on/off, click on canvas to change stereoscopic mode.Make sure you are wearing red-cyan glasses. | |
| Resets the view of camera to default. |
| Removes selected element from the scene |
click on the table to view the selected elements definition/properties. double click to open object Editor dialog. Object Editor dialog is loaded with default object, edit its properties/ definition and click 'OK' to update the element.


{{ page.title }}
Schema information
Schema
Schema version
Expand/Collapse all
Search term
Expand to level
HED
Additional schema properties
Unit class definitions
Unit modifier definitions
Value class definitions
Schema attribute definitions
Property definitions
Press enter/return to freeze the info board
Hover a tag for more information
Scroll to top


Built with Agile in mind, Swift is a tool designed to facilitate the team dynamic in Agile processes.
Let's begin with setting up your project.
Then, let's decide the administrators for the project.
Project administrators will have the access right to change the project settings.
Well, you can't expect to have a great project without any members right?
You can setup the status you want to see in each of the issues you create, and update it based on the phases of the project.
There are 2 ways of setting up the entry points of project issues:
We are up to go, let's rock!


{% extends "base.html" %} {% block title %} Invalid Credentials {% endblock %} {% block container %}
You have identified as "{{ provided }}" but access is restricted to "{{ required }}". This probably means you need to update the OPENID_AUTH_IDENTITY variable. {% endblock %}


The Boeing Company
09/1997 thru 02/2001
Developed, enhanced and maintained an object-oriented system for authoring and maintenance of technical documents used for the purpose of training airline customers in the use (pilots) and care (mechanics) of Boeing aircraft. The system was built using C and C++ executing in a Unix environment. The Oracle Relational database was used for persistent storage of information. Responsibilities included functional specifications, coding, and unit testing. Resolved customer problem reports.
The Boeing Company
02/1997 thru 08/1997
Designed and implemented an Oracle Forms based problem tracking/reporting system. The system was being re-hosted from its’ original Ingres database to Oracle RDBMS. Responsibilities included function specifications, design of the User Interface, implementation and usability testing.


pinfsc50: Sequence ('FASTA'), Annotation ('GFF') and Variants ('VCF') for
17 Samples of 'P. Infestans" and 1 'P. Mirabilis'
Genomic data for the plant pathogen "Phytophthora infestans." It
includes a variant file ('VCF'), a sequence file ('FASTA') and an annotation file
('GFF'). This package is intended to be used as example data for packages that
work with genomic data.
| Version: |
1.1.0 |
| Depends: |
R (≥ 3.2.1) |
| Published: |
2016-12-02 |
| Author: |
Brian J. Knaus [cre, aut],
Niklaus J. Grunwald [aut] |
| Maintainer: |
Brian J. Knaus <briank.lists at gmail.com> |
| License: |
GPL-2 | GPL-3 [expanded from: GPL] |
| NeedsCompilation: |
no |
| Citation: |
pinfsc50 citation info |
| Materials: |
README |
| CRAN checks: |
pinfsc50 results |
Downloads:
Reverse dependencies:
Linking:
Please use the canonical form
https://CRAN.R-project.org/package=pinfsc50
to link to this page.


Pancake
Who knew that ricotta cheese could make a basic pancake recipe so elevated and chic? These pancakes are sweet, beautiful, and deliciously fluffy. It's all about the simple and perfect ingredients! Fresh eggs, in season blueberries, and buying a really nice ricotta cheese make for an amazing dish ( I feel like Ina, when I say that ). Add in some fresh lemon zest and you've got zesty, sweet, decadent pancakes!
20 views
- 12
- 4
- Write Review
Ingredients
- 1 1/2 cups all-purpose flour
- 1 1/4 cups milk
- 3 1/2 teaspoons baking powder
- 1 egg
- 1 teaspoon salt
- 3 tablespoons butter, melted
- 1 tablespoon white sugar
Instructions
- In a large bowl, sift together the flour, baking powder, salt and sugar. Make a well in the center and pour in the milk, egg and melted butter; mix until smooth.
- Heat a lightly oiled griddle or frying pan over medium high heat. Pour or scoop the batter onto the griddle, using approximately 1/4 cup for each pancake. Brown on both sides and serve hot.
Reviews
-
Tayelolu Johnson
It kills me how people go in and mutilate a perfectly good recipe. Then you have bad reviews and more mutilations. I read these reviews and decided I'd make the recipe just as it calls and I recommend not changing a thing (except maybe adding 1/2 tsp of vanilla to your egg mixture).
-
Your Name


Changelog
0.8
Feature #132: Switch to Ivy 2.2.0-rc1
Feature #117: Switch to ant 1.8.1
Feature #70: abstract menu generator
Feature #88: core antunit test suite should be faster
Feature #92: eadoc plugin should use ant uptodate check to improve performance
Feature #93: add resource collection support to junit plugin
Feature #94: package-jar should support test jar
Feature #98: Support for pre-module-phases in multi module
Feature #100: support for extends=info in ivy module parser
Feature #101: publish merged version of Ivy descriptor with
Feature #102: easyant integration tests should build example projects
Feature #109: Homogenize properties referencing the main class
Feature #111: implement xooki menugenerator
Feature #113: Publish maven pom
Feature #115: Integration Test
Feature #116: CheckResolver
Feature #119: Working with alternative ant distribution
Feature #122: Simplify usage of project module ivy
Feature #123: Support filterset in resources-std plugin
Feature #124: Introduce a ant task to run an easyant build process
Feature #126: Bootstrap mechanism on easyant scripts
Feature #127: Distribution plugin
Feature #128: Skeletons list
Bug #99: Compile classpath is not properly set when using multiple drives in windows
Bug #104: Zip Archive Corrupt?
Bug #105: merged ivy descriptor sometimes has too much whitespace before XML comment
Bug #107: merged ivy descriptor requires container element to appear in child descriptor
Bug #108: runnable jar
Bug #110: plugin skeleton antunit test only works after plugin is published
Bug #114: skeleton:create results in error if creating in any directory other than "."
Bug #118: Textarea in generated plugin documentation
Bug #125: test plugins do not include integration-test/classes in integration test classpath
Bug #129: Existing skeletons should have description
Bug #130: package-test-jar:test should be called package-test-jar:jar
Bug #133: bootstrap classpath in launch script contains absolute paths on Hudson server


{% load static from staticfiles %}
{{ cancelled_by }} canceled your office hours session{{ hours_with }}.
When: {{ date }}, {{ start_time }} (CANCELED)
Where: {{ location }}
{% if message %}Message: {{ message }}
{% endif %}You may check the status of your schedule at any time by visiting your Dashboard:
{{ dashboard_url }} (log in using: {{ dashboard_username }}).If you have questions, don't hesitate to contact us at any time via
https://masschallenge.org/contact- The MassChallenge Team
{{ phone }}
www.masschallenge.org


Developed by Kyutae Lee
Release Date: 2019-06-21
AI Last Updated: 2019-07-16
Quoridor is a board game in which the objective is to get your pawn to the opposite side of the board. You can read the simple rules here.
This Quoridor AI is based on Monte Carlo tree search. You can view the source code and other detailed information on GitHub.
Tip:
If you select "Add to Home Screen" in your browser for this page on a mobile device,
the game will become an app which does not require an internet connection.
Credit:
Thanks to Daniel Borowski's Quoridor AI,
I learned that an AI agent could be implemented in JavaScript and executed right in the browser. As a result, I built my own Quoridor AI based on his demo.
P.S. When I was a novice Quoridor player, I trained myself with the Quoridor AI agent on Daniel Borowski's webpage:)


How to WithDraw Funds
if you had already set the auto withdraw option on the settings tab of your profile or wallet then there is
no need to use this form to request a withdrawal as all your available funds will be withdrawn to your paypal
account on the next payment cycle.
Using this form you can manually set the exact amount you want withdrawn at the next payment cycle, this means that this form will overwrite auto withdrawal settings and then only withdraw the amount requested in this form
Using this form you can manually set the exact amount you want withdrawn at the next payment cycle, this means that this form will overwrite auto withdrawal settings and then only withdraw the amount requested in this form


Figure 1: Extraction parameters
These parameters apply to the extraction of structural information from the 1-D correlation function and also give the user the option to output the interface distribution function. The user can choose to calculate the interface distribution function by selecting the checkbox shown in Figure 1. This option must be selected prior to the Transform process. Other options must be set prior to the Extraction process.
The estimate of the volume fraction crystallinity is used in Porod analysis if the lamellar interpretation of the 1-D correlation function fails (see Extraction).
The user-control of extraction checkbox allows the user to manually
select the linear region of the 1-D correlation function D0
to Dtr (see Extraction
and Overview). This region is selected
automatically by default, but the values of D0 and
Dtr obtained should be carefully examined and manual
selection performed if necessary. The manual selection of the range D0
to Dtr is performed by selecting the checkbox provided
and then clicking on the Edit Limits button. The range D0
to Dtr for each frame of the 1-D correlation function
can then be selected in the same way as the variable tail-fitting limits
were selected in the Fitting parameters
section.


Govt introduces bill to amend SPG Act in LS, ex-PM families not covered
This comes days after the government withdrew the elite security cover provided to members of the Gandhi family.
by Press Trust of IndiaAmid slogan shouting by opposition members, a bill to amend the Special Protection Group (SPG) Act was introduced in Lok Sabha on Monday by Minister of State for Home Affairs G Kishen Reddy.
This comes days after the government withdrew the elite security cover provided to members of the Gandhi family.
According to the proposed amendment, family members of former prime ministers would not be entitled to the coveted SPG security cover.
Now elite SPG commandos will protect only the prime minister. They can also protect former prime ministers depending on the threat perception to them.


Linear search is a very simple search algorithm. In this
type of search, a sequential search is made over all
items one by one. Every item is checked and if a match
is found then that particular item is returned,
otherwise the search continues till the end of the data
collection.
A linked list is a sequence of data structures, which
are connected together via links. Linked List is a
sequence of links which contains items. Each link
contains a connection to another link. Linked list is
the second most-used data structure after array.
Following are the important terms to understand the
concept of Linked List.


Before Change
fanout += next_layer.units
elif "Pool" in layer.name and "Conv" in next_layer.name:
fanout += np.prod(next_layer.kernel_size) * next_layer.filters
elif "Pool" in layer.name and "Dense" in next_layer.name:
fanout += next_layer.units
else:
fanout += 0
After Change
next_layers = get_spiking_outbound_layers(layer, config)
fanout = 0
for next_layer in next_layers:
if "Conv" in next_layer.name and not has_stride_unity(next_layer):
fanout = np.zeros(layer.output_shape[1:])
break
for next_layer in next_layers:
if "Dense" in next_layer.name:
fanout += next_layer.units
elif "Pool" in next_layer.name:


Looking to increase your domestic or import performance? Bring your car in to our state-of-the-art dyno room and see how it really stacks up against the competition in a world-class performance shop. What makes us different from most shops is that we truly live and breathe lif in the fastlane; motorsports and automotive performance is what we do and we have assembled some of the most well built machines in the Nation. If we are not at the shop, you can find our technicians racing at dragways or roadcourses, alongside our customers. Want a truly majestic motorsport experience? At National Speed, we are all about Driving Confidence and we will give your project the quality, care, attention to detail, and love we give our personal vehicles.


Class ExactCoverGraph
Holds an exact-cover graph for the current puzzle being solved.
This is an extension of the exact-cover matrix concept. Rows of the exact-cover matrix, i.e. a specific location and possible value for that location, are represented by Possibility objects. These are linked together by IObjective objects, which represent the columns of an exact-cover matrix.
For example, the RowUniquenessConstraint uses a required Objective to link all the Possibility objects on a single row that have the same possible value. This way, when one of these possibilities is selected, then the others are all dropped.
To extend the concept into a larger graph, this also uses OptionalObjectives to create subgroups over Possibility objects and/or other OptionalObjective objects. This allows for much more complex constraints, such as the MagicSquaresConstraint.
Inheritance
Inherited Members
Namespace: SudokuSpice.ConstraintBased
Assembly: SudokuSpice.dll
Syntax
public sealed class ExactCoverGraph
Remarks
The ExactCoverGraph adds Possibility objects for all the unset coordinates in a puzzle on creation, as well as Objective objects that group all the possible values for each location. These effectively implements the constraint: "Each coordinate in the puzzle must have one and only one value."
Properties
| Improve this Doc View SourceAllPossibleValues
Contains the possible values for the current puzzle.
Declaration
public ReadOnlySpan<int> AllPossibleValues { get; }
Property Value
| Type | Description |
|---|---|
| System.ReadOnlySpan<System.Int32> |
ValuesToIndices
Maps possible values for the puzzle to indices in the AllPossibleValues array.
Declaration
public IReadOnlyDictionary<int, int> ValuesToIndices { get; }
Property Value
| Type | Description |
|---|---|
| System.Collections.Generic.IReadOnlyDictionary<System.Int32, System.Int32> |
Methods
| Improve this Doc View SourceCreate(IReadOnlyPuzzle)
Creates an exact-cover graph for solving the given puzzle.
This adds Possibility objects for all the unset coordinates in a puzzle on creation, as well as Objective objects that group all the possible values for each location. These effectively implements the constraint: "Each square in the puzzle must have one and only one value."
Declaration
public static ExactCoverGraph Create(IReadOnlyPuzzle puzzle)
Parameters
| Type | Name | Description |
|---|---|---|
| IReadOnlyPuzzle | puzzle | The puzzle to solve. |
Returns
| Type | Description |
|---|---|
| ExactCoverGraph |
GetAllPossibilitiesAt(Coordinate)
Gets the possibilities at the given Coordinate. This returns null if the square's value was preset in the current puzzle being solved.
Declaration
public Possibility[] GetAllPossibilitiesAt(in Coordinate c)
Parameters
| Type | Name | Description |
|---|---|---|
| Coordinate | c |
Returns
| Type | Description |
|---|---|
| Possibility[] |
GetPossibilitiesOnRow(Int32)
Gets all the possiblities, grouped by column, on the requested row.
Indexing the result looks like:
var row = graph.GetSquaresOnRow(rowIndex);
var possibility = row[columnIndex][valueIndex];
Declaration
public ReadOnlySpan<Possibility[]> GetPossibilitiesOnRow(int row)
Parameters
| Type | Name | Description |
|---|---|---|
| System.Int32 | row | A zero-based row index. |
Returns
| Type | Description |
|---|---|
| System.ReadOnlySpan<Possibility[]> |
GetUnsatisfiedRequiredObjectives()
Gets all the currently unsatisfied Objectives.
Declaration
public IEnumerable<Objective> GetUnsatisfiedRequiredObjectives()
Returns
| Type | Description |
|---|---|
| System.Collections.Generic.IEnumerable<Objective> |
GetUnsatisfiedRequiredObjectivesWithConcretePossibilities()
Gets all the currently unsatisfied Objectives that have at least one concrete Possibility as a direct possibility.
Declaration
public IEnumerable<Objective> GetUnsatisfiedRequiredObjectivesWithConcretePossibilities()
Returns
| Type | Description |
|---|---|
| System.Collections.Generic.IEnumerable<Objective> |


At top most skills i have HTML and JavaScript due to my hands on exprience.
CSS and Dart are type of language which i dont really prefer to work with
FrameWorks like Flutter and Django are very scary to me because of me being lazy
'Git' I love git but due to less with it exprience, I lacks in confidence for using It


Hi there!
I am a mom, a wife, a traveller & a forever hungry seeker of happiness.
I worked in the hospitality industry for my entire professional life and I love everything about providing wonderful experiences & creating memories with people.
After a few major life changes happened, I decided to take a leap and switch career paths. I jumped online, took some courses & gave myself the skills to work remotely doing something fun & creative all while spending more time with my awesome family while we travel the world!
Or at least end up in Hawaii.


Below is a list of our active team members
AMOLITH SEREGION - Aesthetics/Developer
AIDAN BENNEWISE- Development team member
BRODY M MILLER - Community Manager
BENJAMIN CEDERBERG- Community Manager
DANIEL MITCHELL - Moderator & Video Admin
GARRETT LAWRENCE (SilverTheHedgehog)- Community Manager
JOSH GILAND (FSM) - Moderator
MADI E. MATHERS - Development team member
SETH DIAZ - Founding member and community concept developer
THOMAS CASTLEMAN - CYGO Desktop and Drauger OS integration developer


Theme Based Music composition work through stories written behind the notes of sounds before executing it into a sound mould. Its like work starts from imagination of stories or real life stories into musical transformation with our visions. Difference is that I am a composer using basic sound note knowledge base with the twist of technology to modulate final outcome according to story base in the musical work. Believing to living in a present moment with the vision of dreams makes me feel alive to keep composing new music work with the ease regardless of what some community percept that work as how! learning is a good thing in life for me as I always learn new things to make life easier in terms of personal growth. That reflects to my new releases as always love to do new things or old things in a new way. Initially called as mood music as that works on different emotions which are reffered to as moods. Stories,Emotions,notes arrangements & composing a new music sets make feel good.
Generating real time music playing from self made technologies and some developer help from the open source community for sounds and by means its too much time consuming but will make it quicker in future soon. As this is design to compose each note with different scale and key in different sphere space location just like real world live recording. Playing and arranging notes according to feel and emotions involved in the story base to make it live. The fun part is that it has only two chanels stereo but still gives you spatial effects because of the working on each musical note from the scratch. No use of lot of synths but some basic softwares which are open source like for example AUDACITY. Constructive way of arranging and playing notes with various human playable tempos (e.g CDEFGA) is how we do raw music. Soon will share Sheets of Work for anyone to play & perform.
Any Score notation Software is the most useful to us in productions because it helps to improve work efficiency in dynamics & articulations while mastering. If you are new then start with open source Notation softwares like Musescore & if you feel comfortable with complex tools then go with any commercial DAW with Notations as they have all things included with notations , vsts, effects or more. Some people dont need this notations but we prefer because that way you find constructions in notes but again its about how you like things in productions. you just need some basic knowledge in notations like your keys, clefs , chords, tempo , dynamics, articulations etc. Once that has been learned , it becomes easier to play your Composition.
We provide non exclusive sounds to be used in productions of your major projects but still you need to get licence.You need to contact to the email address in contact tab for more details.
search records on copyright offices, BMI catalogue & sound exchange catalogue
Yes, Certainly it is. If you have professional Business going on and you need to stand out different than others than you need different track for your brand and we do offer private theme soundtrack only exclusive to individual brands. for more contact to email address or fill up the form.
Sounds were out before releases once composed in 2016 but some used it and it became copyright issues but We have infinite original story base music works coming and coming so now that we learned how to copyright work & file a lawsuit so no worries for new music.
You can use any of the website contents for promotional or informative purposes. you can not make it commercial without prior contact if you need an urgent response just send email to promotions@drrahulvaghelamusic.com


Sort-Based Blocking Shuffle Implementation in Flink - Part Two
October 26, 2021 - Yingjie Cao (Kevin) Daisy TsangPart one of this blog post explained the motivation behind introducing sort-based blocking shuffle, presented benchmark results, and provided guidelines on how to use this new feature.
Like sort-merge shuffle implemented by other distributed data processing frameworks, the whole sort-based shuffle process in Flink consists of several important stages, including collecting data in memory, sorting the collected data in memory, spilling the sorted data to files, and reading the shuffle data from these spilled files. However, Flink’s implementation has some core differences, including the multiple data region file structure, the removal of file merge, and IO scheduling.
In part two of this blog post, we will give you insight into some core design considerations and implementation details of the sort-based blocking shuffle in Flink and list several ideas for future improvement.
Design considerations #
There are several core objectives we want to achieve for the new sort-based blocking shuffle to be implemented Flink:
Produce fewer (small) files #
As discussed above, the hash-based blocking shuffle would produce too many small files for large-scale batch jobs. Producing fewer files can help to improve both stability and performance. The sort-merge approach has been widely adopted to solve this problem. By first writing to the in-memory buffer and then sorting and spilling the data into a file after the in-memory buffer is full, the number of output files can be reduced, which becomes (total data size) / (in-memory buffer size). Then by merging the produced files together, the number of files can be further reduced and larger data blocks can provide better sequential reads.
Flink’s sort-based blocking shuffle adopts a similar logic. A core difference is that data spilling will always append data to the same file so only one file will be spilled for each output, which means fewer files are produced.
Open fewer files concurrently #
The hash-based implementation will open all partition files when writing and reading data which will consume resources like file descriptors and native memory. Exhaustion of file descriptors will lead to stability issues like “too many open files”.
By always writing/reading only one file per data result partition and sharing the same opened file channel among all the concurrent data reads from the downstream consumer tasks, Flink’s sort-based blocking shuffle implementation can greatly reduce the number of concurrently opened files.
Create more sequential disk IO #
Although the hash-based implementation writes and reads each output file sequentially, the large amount of writing and reading can cause random IO because of the large number of files being processed concurrently, which means that reducing the number of files can also achieve more sequential IO.
In addition to producing larger files, there are some other optimizations implemented by Flink. In the data writing phase, by merging small output data together into larger batches and writing through the writev system call, more writing sequential IO can be achieved. In the data reading phase, more sequential data reading IO is achieved by IO scheduling. In short, Flink tries to always read data in file offset order which maximizes sequential reads. Please refer to the IO scheduling section for more information.
Have less disk IO amplification #
The sort-merge approach can reduce the number of files and produce larger data blocks by merging the spilled data files together. One down side of this approach is that it writes and reads the same data multiple times because of the data merging and, theoretically, it may also take up more storage space than the total size of shuffle data.
Flink’s implementation eliminates the data merging phase by spilling all data of one data result partition together into one file. As a result, the total amount of disk IO can be reduced, as well as the storage space. Though without the data merging, the data blocks are not merged into larger ones. With the IO scheduling technique, Flink can still achieve good sequential reading and high disk IO throughput. The benchmark results from the first part shows that.
Decouple memory consumption from parallelism #
Similar to the sort-merge implementation in other distributed data processing systems, Flink’s implementation uses a piece of fixed size (configurable) in-memory buffer for data sorting and the buffer does not necessarily need to be extended after the task parallelism is changed, though increasing the size may lead to better performance for large-scale batch jobs.
Note: This only decouples the memory consumption from the parallelism at the data producer side. On the data consumer side, there is an improvement which works for both streaming and batch jobs (see FLINK-16428).
Implementation details #
Here are several core components and algorithms implemented in Flink’s sort-based blocking shuffle:
In-memory sort #
In the sort-spill phase, data records are serialized to the in-memory sort buffer first. When the sort buffer is full or all output has been finished, the data in the sort buffer will be copied and spilled into the target data file in the specific order. The following is the sort buffer interface in Flink:
public interface SortBuffer {
/** Appends data of the specified channel to this SortBuffer. */
boolean append(ByteBuffer source, int targetChannel, Buffer.DataType dataType) throws IOException;
/** Copies data in this SortBuffer to the target MemorySegment. */
BufferWithChannel copyIntoSegment(MemorySegment target);
long numRecords();
long numBytes();
boolean hasRemaining();
void finish();
boolean isFinished();
void release();
boolean isReleased();
}
Currently, Flink does not need to sort records by key on the data producer side, so the default implementation of sort buffer only sorts data by subpartition index, which is achieved by binary bucket sort. More specifically, each data record will be serialized and attached a 16 bytes binary header. Among the 16 bytes, 4 bytes is for the record length, 4 bytes is for the data type (event or data buffer) and 8 bytes is for pointers to the next records belonging to the same subpartition to be consumed by the same downstream data consumer. When reading data from the sort buffer, all records of the same subpartition will be copied one by one following the pointer in the record header, which guarantees that for each subpartition, the order of record reading/spilling is the same order as when the record is emitted by the producer task. The following picture shows the internal structure of the in-memory binary sort buffer:
Storage structure #
The data of each blocking result partition is stored as a physical data file on the disk. The data file consists of multiple data regions, one data spilling produces one data region. In each data region, the data is clustered by the subpartition ID (index) and each subpartition is corresponding to one data consumer.
The following picture shows the structure of a simple data file. This data file has three data regions (R1, R2, R3) and three consumers (C1, C2, C3). Data blocks B1.1, B2.1 and B3.1 will be consumed by C1, data blocks B1.2, B2.2 and B3.2 will be consumed by C2, and data blocks B1.3, B2.3 and B3.3 will be consumed by C3.
In addition to the data file, for each result partition, there is also an index file which contains pointers to the data file. The index file has the same number of regions as the data file. In each region, there are n (equals to the number of subpartitions) index entries. Each index entry consists of two parts: one is the file offset of the target data in the data file, the other is the data size. To reduce the disk IO caused by index data file access, Flink caches the index data using unmanaged heap memory if the index data file size is less than 4M. The following picture illustrates the relationship between index file and data file:
IO scheduling #
Based on the storage structure described above, we introduced the IO scheduling technique to achieve more sequential reads for the sort-based blocking shuffle in Flink. The core idea behind IO scheduling is pretty simple. Just like the elevator algorithm for disk scheduling, the IO scheduling for sort-based blocking shuffle always tries to serve data read requests in the file offset order. More formally, we have n data regions indexed from 0 to n-1 in a result partition file. In each data region, there are m data subpartitions to be consumed by m downstream data consumers. These data consumers read data concurrently.
// let data_regions as the data region list indexed from 0 to n - 1
// let data_readers as the concurrent downstream data readers queue indexed from 0 to m - 1
for (data_region in data_regions) {
data_reader = poll_reader_of_the_smallest_file_offset(data_readers);
if (data_reader == null)
break;
reading_buffers = request_reading_buffers();
if (reading_buffers.isEmpty())
break;
read_data(data_region, data_reader, reading_buffers);
}
Broadcast optimization #
Shuffle data broadcast in Flink refers to sending the same collection of data to all the downstream data consumers. Instead of copying and writing the same data multiple times, Flink optimizes this process by copying and spilling the broadcast data only once, which improves the data broadcast performance.
More specifically, when broadcasting a data record to the sort buffer, the record will be copied and stored once. A similar thing happens when spilling the broadcast data into files. For index data, the only difference is that all the index entries for different downstream consumers point to the same data in the data file.
Data compression #
Data compression is a simple but really useful technique to improve blocking shuffle performance. Similar to the data compression implementation of the hash-based blocking shuffle, data is compressed per buffer after it is copied from the in-memory sort buffer and before it is spilled to disk. If the data size becomes even larger after compression, the original uncompressed data buffer will be kept. Then the corresponding downstream data consumers are responsible for decompressing the received shuffle data when processing it. In fact, the sort-based blocking shuffle reuses those building blocks implemented for the hash-based blocking shuffle directly. The following picture illustrates the shuffle data compression process:
Future improvements #
-
TCP Connection Reuse: This improvement is also useful for streaming applications which can improve the network stability. There are already tickets opened for it: FLINK-22643 and FLINK-15455.
-
Multi-Disks Load Balance: Multi-Disks Load Balance: In production environments, there are usually multiple disks per node, better load balance can lead to better performance, the relevant issues are FLINK-21790 and FLINK-21789.
-
External/Remote Shuffle Service: Implementing an external/remote shuffle service can further improve the shuffle io performance because as a centralized service, it can collect more information leading to more optimized decisions. For example, further merging of data to the same downstream task, better node-level load balance, handling of stragglers, shared resources and so on. There are several relevant issues: FLINK-13247, FLINK-22672, FLINK-19551 and FLINK-10653.
-
Enable the Choice of SSD/HDD: In production environments, there are usually both SSD and HDD storage. Some jobs may prefer SSD for the faster speed, some jobs may prefer HDD for larger space and cheaper price. Enabling the choice of SSD/HDD can improve the usability of Flink’s blocking shuffle.


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Note on Finger Drills. Delete (plover v3) or disable (plover v4) all dictionaries but commands.json
(in plover v3, delete all dictionaries and save to get the default config back). In plover v4, check out the plover-dict-control plugin which allows you to define strokes to switch dictionaries.


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Valencia beats Granada to move closer to the top in Spain
by TALES AZZONIMADRID (AP) — Valencia scored two late goals to beat Granada 2-0 and move within three points of the top of the Spanish league on Saturday.
Daniel Wass scored from close range in the 74th minute and Ferrán Torres added to the lead deep in stoppage time to give Valencia its third straight victory heading into the international break.
“It was an important week for us and we were able to earn these important victories,” Wass said. “They give us a lot of confidence going into the break.”
It took a few minutes to confirm Wass’ goal as video review checked on a possible offside position of another Valencia player involved in the play.
Dani Parejo’s goal for hosts Valencia a few minutes earlier had already been canceled by VAR because of offside. Kevin Gameiro also had a goal called off for offside in injury time.
Valencia has the same 20 points as Granada, which got off to a great start in its return to the first division but has lost three consecutive matches. Real Sociedad leads the league with 23 points, one more than both Barcelona and Real Madrid. Madrid visits Eibar later Saturday, while Barcelona hosts Celta Vigo.
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Valencia was coming off wins over Lille in the Champions League and Espanyol in the Spanish league.
Valencia lost two players because of injuries on Saturday — Geoffrey Kondogbia in the first half and striker Rodrigo in the second.
Valencia has lost only once in its last 20 league matches at Mestalla Stadium.
RED-HOT PÉREZ
Lucas Pérez scored his seventh goal in as many matches as Alavés comfortably defeated Valladolid 3-0 to move further away from the relegation zone.
Pérez converted a 75th-minute penalty kick for Alavés, which jumped to 15th place with 15 points, six from safety.
The former West Ham striker has scored in each of his last seven matches, surpassing his total goal tally for last season.
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Joselu and Tomás Pina had scored the first two goals for the hosts in the first half.
Valladolid, sitting 13th in the 20-team standings, had lost only one of its last seven league matches entering the weekend, with the defeat coming against Barcelona at Camp Nou Stadium.
___
More AP soccer https://apnews.com/Soccer and https://twitter.com/AP_Sports
___
Tales Azzoni on Twitter: http://twitter.com/tazzoni
TALES AZZONI


Link to the CDN first, then add a fallback to the local file.
<script src="//ajax.aspnetcdn.com/ajax/jquery/jquery-2.0.0.min.js"></script>
<script>window.jQuery || document.write('<script src="js/jquery-2.0.0.min.js">\x3C/script>')</script>
Source: CDNs fail, but your scripts don't have to - Scott Hanselman
Use examples that are relatable and try not to assume knowledge of something that isn't explained.

— Ash Furrow (@ashfurrow) August 18, 2015


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🎥 ⛱ Learn Common Lisp efficiently with my video course and this 50% coupon. Recently added: scripting with batteries included. More info.


Hello, Toots!
Welcome to InspireME, a little something I created just for you.
Choose a category for what kind of quote you're ready to embody today. You'll get a random quote, and your challenge for the day is to take it upon yourself to really idealize the core of that quote. I'm excited to be a part of your daily positivity! I love you!
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| Airline Name | Flight Number | Airplane ID | Departure Airport | Departure Time | Arrival Airport | Arrival Time | Ticket Price | Status | {% for flight in result_upcoming %}
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| {{ flight.airline_name }} | {{ flight.flight_num }} | {{ flight.airplane_id }} | {{ flight.departure_airport }} | {{ flight.departure_time }} | {{ flight.arrival_airport }} | {{ flight.arrival_time }} | {{ flight.price }} | {{ flight.status }} |
{{ message_upcoming }}
{% endif %}| Airline Name | Flight Number | Airplane ID | Departure Airport | Departure Time | Arrival Airport | Arrival Time | Ticket Price | Status | {% for flight in result_status %}
|---|---|---|---|---|---|---|---|---|
| {{ flight.airline_name }} | {{ flight.flight_num }} | {{ flight.airplane_id }} | {{ flight.departure_airport }} | {{ flight.departure_time }} | {{ flight.arrival_airport }} | {{ flight.arrival_time }} | {{ flight.price }} | {{ flight.status }} |
{{ message_status }}
{% endif %}


Press release
Almost half (44%) of businesses in the country plan to take on apprentices in the next 5 years.
Almost half (44%) of businesses in the country plan to take on apprentices in the next 5 years, according to new research released today (3 March 2014) to mark the start of National Apprenticeship Week.
This compares to just over 3 in 10 (36%) employers when asked the same question this time last year (2013).
The study of 600 businesses also reveals that a fifth (20%) of SMEs plan to take on 1 or more apprentices in the next 12 months alone, with more than a third (37%) of larger businesses planning to do the same, compared to 15% and 28% respectively in February 2013.
Around a third (32%) of those that plan to take on apprentices say this is because they are a core part of their growth strategy.
Ahead of a visit to BT, who recently announced that they would take on 730 more apprentices over the next year, Secretary of State for Business, Innovation and Skills, Vince Cable, said:
As we kick off National Apprenticeship Week it’s good to see that employers are increasingly recognising the value apprentices can bring to their businesses. Apprentices are now a key and valued part of the workforce for most businesses large or small – and the huge increase which this government has overseen is 1 of my proudest achievements.
Given the grants available to help small businesses take on apprentices, it’s especially good that so many SMEs are embracing apprenticeships in the coming years and that apprentice recruitment now forms a key part of a business’s plans for sustainable growth.
Gavin Patterson, Chief Executive of BT, said:
BT’s creating more than 700 new apprenticeships in the coming year, including a new digital media technology training scheme. I’m delighted we can play an extremely positive role by hiring these new apprentices and advancing their skills through mentoring and training.
Apprenticeships really deliver for our business. Hiring apprentices helps BT grow our own talent by developing a motivated, skilled and qualified workforce. And for the apprentices, an Apprenticeship is a way for them to earn while they learn in a real job, gaining a real qualification and a real future.
The study also shows how Apprenticeships are growing in popularity. In fact, 43% of employers agree they would be more likely to offer an Apprenticeship than they were 2 years ago. Of these nearly 2 in 5 (38%) said this was because the talent pool had widened as Apprenticeships become more popular, 33% because it had become easier to employ apprentices and 32% because they have more job roles in their business that would suit an apprentice. Overall, 41% of employers agreed that apprentices stay in the business longer than other recruits.
Furthermore, it would appear Apprenticeships are now filtering into supply chain selection criteria. 16% of SMEs and over a third (37%) of larger organisations say they have been questioned by clients or prospects about their apprentice recruitment policies.
This finding is mirrored in a supplementary study amongst some of the companies featured in the latest City & Guilds Top 100 Apprenticeship Employers List. Key findings from the bosses surveyed include:
Now in its seventh year, National Apprenticeship Week is designed to celebrate Apprenticeships and the positive impact they have on individuals, businesses and the wider economy. The overarching theme for 2014 has been Great Apprenticeships, to demonstrate that Apprenticeships are great for business and personal careers and create opportunities for both employers and apprentices.
As part of the week, the National Apprenticeship Service, in conjunction with Small Firms Enterprise Development Initiative (SFEDI), has launched a new initiative to help small business owners on their Apprenticeship journey. Apprenticemakers is an online peer to peer mentoring community providing easy access to other businesses who have already taken on apprentices.
1.For more information or to arrange an interview contact:
The National Apprenticeship Service supports, funds and co-ordinates the delivery of Apprenticeships and Traineeships throughout England.
We are responsible for increasing the number of Apprenticeship and Traineeship opportunities and providing a dedicated, responsive service for both employers and learners. This includes simplifying the process of recruiting an apprentice or trainee through Apprenticeship vacancies, an online system where employers can advertise their vacancies and potential apprentices or trainees can apply.
Apprenticeships bring considerable value to organisations, employers, individuals and the economy. Businesses across the country are increasingly realising the enormous benefits that Apprenticeships create, not only in terms of developing a highly skilled workforce but also by boosting productivity and staff retention.
Research shows that Apprenticeships are an optimal way of training, developing and skilling people for the future, helping businesses to secure a supply of people with the skills and qualities they need and which are often not available on the external job market.
A Traineeship is an education and training programme with a work placement that is focused on giving young people the skills and experience that employers are looking for. At its core are work preparation training, English and maths for those who need it, and a high quality work experience placement.
Traineeships are for young people aged 16 to 23 who are motivated to get a job but who lack the skills and experience that employers are looking for. Traineeships prepare young people for their future careers by helping them to become ‘work ready’. They give young people the skills and experience to be able to compete for an Apprenticeship or other job.
Traineeships are a stepping stone to future success for young people, businesses and the wider economy.
There has never been a better time to employ an apprentice, or start an Apprenticeship.
Visit apprenticeships.org.uk or call 08000 150 600 to find out more.
The Skills Funding Agency is a partner organisation of the Department for Business, Innovation and Skills ( BIS ). Its job is to fund and promote adult further education ( FE ) and skills training in England, including Traineeships and Apprenticeships, in a way which supports economic growth. The Agency delivers £4.1 billion of skills training through contracts with over 1,000 colleges, private training organisations and employers, with a highly effective supply chain that means FE meets local need in the most cost-effective way.
Within the Skills Funding Agency, there are 2 customer-facing services: the National Apprenticeship Service, which is responsible for increasing the number of Traineeship and Apprenticeship opportunities, and the National Careers Service, which provides impartial careers information, advice and guidance online, by telephone or face-to-face. The Skills Funding Agency also hosts the Information Authority, an independent body that acts on behalf of organisations involved in further education and training in England, setting data standards and governing data collection.
4.The government’s economic policy objective is to achieve ‘strong, sustainable and balanced growth that is more evenly shared across the country and between industries’. It set 4 ambitions in the ‘Plan for Growth’ , published at Budget 2011:
Work is underway across government to achieve these ambitions, including progress on more than 250 measures as part of the Growth Review. Developing an Industrial Strategy gives new impetus to this work by providing businesses, investors and the public with more clarity about the long-term direction in which the government wants the economy to travel.
Published: 3 March 2014


Developed my Shariar and Licensed under MIT License - Documentation Page - Download Hexagon Buttons For Support, Leave a comment at CSS Hexagon Buttons @shariarbd.com
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While the catering manager takes care of the food, service staff and facilities, the event planner needs to keep in touch while researching and implementing a plethora of related details.Transportation and on-site parking, the meeting agenda, audio-visual equipment needs,special menu requests, and last-minute changes all need to be ironed out before the event.The goal must be to avoid last-minute surprises on either side. Menu substitutions,unexpected guests or drop-outs, and countless other snags can be taken care of before the big event.
Our photographer was amazing, captured so many great moments, and was so accommodating to all our needs. Our videographer was also fantastic even with having to change up our first timeline in short notice. Lastly our DJ was absolutely on point! Anything we forgot, he got in for us. We were in a time crunch and he made it happen how we needed it to! Our experience with Complete was fantastic." During our wedding, the photographers, videographer, and DJ all were working seamlessly together, making sure we had an amazing time. Their attention to detail and ability to change things as needed as quickly as they could helped tremendously. I would highly recommend anyone who is planning an event/wedding to use Complete."
We are a full service party DJ and event production company providing entertainment. We are also available to travel on a nationwide and worldwide basis. If you are planning a party, video dance party, bar mitzvah, bat mitzvah, corporate function, prom, school dance, sweet 16 party, quinceanera, wedding reception, or any other type of function be sure and browse this web site for all the information you will need to book your entertainment. In addition to our DJ service, we can also provide Intelligent Light Shows, Up-Lighting (Theme/Decor Lighting), Laser Light Shows, Large Screen Video, Lounge Furniture, Lightscaping, Video Games, Sound Reinforcement and Celebrities for hire. For those clients who wish to be more involved, our Staff is available day and night to meet with you, at your convenience. Our experienced Staff will provide the personal service needed to help you and/or your Staff make your special party the absolute best it can be. Review the information on this site, as well as our Photos and Video and then contact us for a personal quote or to book our service.


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type TFloatMatrix = array [0..2, 0..2] of Single;
A 3x3 transformation matrix used in affine transformations.
[See Also] TAffineTransformation


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sliding.js
The sliding.js is a library for displaying a list of screen capture of the web page.
There are three functions roughly to it.
DISPLAY
It lists them on the basis of the data obtained via the API.
SEARCH
You can retrieve an object based on it the title of each page are included in the data obtained via the API.
GENERATE
sliding.js offers a utilities outputter the json for the API. It will take a screen capture using the phantomjs.


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1 IN THE HIGH COURT OF KARNATAKA CIRCUIT BENCH AT DHARWAD DATED THIS THE 3RD DAY OF JULY, 2013 BEFORE THE HON'BLE MR. JUSTICE N. ANANDA CRL.RP.No.2150/2013 BETWEEN: M/s Hothur Traders, Reptd. by H. Mohammed Iqbal, Managing Partner, M.L.No.2107, Mallagolla village, Tal:Sandur, Dist: Bellary. .. Petitioner (By Sri Srinand A. Pachhapure, Adv.) AND: Karnataka State Pollution Control Board, Reptd. by its Environmental Officer, Situate at Kuvempu Nagar, Bellary. .. Respondent (By Sri.Jeevan J. Neeralgi, Adv.) This criminal revision petition is filed under section 397 read with Sec.401 of Cr.P.C., praying to set-aside the order dated 2.02.2013 passed by the II Addl. Sessions Judge, Bellary, in Crl.RP.161/12 marked at Annexure-A, etc. This criminal revision petition coming on for Orders this day, the court, made the following: 2 ORDER
The respondent-Board had filed a complainant under Section 200 Cr.P.C. alleging offences punishable under Sections 15 and 19 of the Environment (Protection) Act, 1986, against M/s Hothur Traders and its partner, viz., H.Ahmed.
2. The case was pending trial in C.C.No.1179/2007 on the file of the learned Civil Judge & JMFC, Sandur. On 25.2.2007 the II-accused, namely, H.Ahmad died. On 29.6.2010 the learned Trial Judge recorded abatement of case against II-accused and closure of case against I-accused by a non-speaking order. As per averments of complaint, offence was committed by the firm and its partners. In the circumstances, learned Trial Judge should have heard the complainant and considered averments of complaint in accordance with Section 40 of the Air (Prevention and Control of Pollution) Act, 1981. 3
3. The Complainant-Board was before the revisional Court in CRL.RP.161/12. The learned Judge of the revisional court passed the following order:
"The Criminal Revision Petition No.161/2012 filed under section 397 of Cr.P.C. is hereby allowed.
Consequently the order passed in CC No.1179/2007 dated 29.7.2010 by the learned Civil Judge & JMFC, Sandur is hereby set-aside.
Accordingly, direct the trial Court to give an opportunity to the Complainant/Karnataka State Pollution Control Board to take further steps against the legal heir of accused no.2 or the partner stepped into his shoes and proceed with the complaint in accordance with law.
The office is directed to send back the trial Court records along with copy of order passed in this revision forthwith to the trial Court for reference and to implement the order of this Court."
4. The order of learned Judge of Revisional Court that the Board shall take steps against legal heir of accused-2 is opposed to the basic principles of criminal jurisprudence. However, the Board can proceed against the partners of the Firm/accused-1, if they fall within the ambit of Section 40 of the Act.
4
5. Therefore, petition is accepted. The impugned order is modified. The matter is remanded to the learned Trial Judge to consider the application, if any, filed by the Board (complainant) to array other partners of the accused-1 Firm by taking into consideration averments of complaint and having regard to the provisions of Section 40 of Air (Prevention and Control of Pollution) Act, 1981. The learned Trial Judge shall consider such application on hearing the learned Counsel for Board and the learned Counsel for proposed accused.
SD/-
JUDGE Sub/


This game is based off of Harry Potter and you are a Hogwarts student, keep in mind that some dementors are tolerant and will let you live, others are not so generous, if you collect all the Galleons, you move up to the next level, I will update this game later.


package hardware
- Alphabetic
- Public
- All
Type Members
-
class
Adder extends Module
A simple adder.
-
class
Alu extends Module
An arithmetic logical unit which can perform an arbitrary subset of optional operations.
-
class
ConfigController extends Module
A module which repeats stored configurations every II cycles, and distributes configurations to modules driven by it.
-
class
ConstUnit extends Module
A simple const unit.
-
class
Dispatch extends Module
A module which can dispatch the input configuration to several modules.
-
class
LSMemWrapper extends Module
A module which is the kernel of load/store unit.
A module which is the kernel of load/store unit. There are a state machine in this module, where
s_write_only
,s_work
ands_read_only
are corresponding to pre-process, activating process and post-process. -
class
LoadStoreUnit extends Module
A load/store unit which can perform load/store during the runtime of CGRA, and direct memory access (DMA) for transferring data during pre-process and post-process.
-
class
MultiIIScheduleController extends Module
A module which controls when modules should fire.
A module which controls when modules should fire. It also dispatchs "skewing" to modules.
-
class
Multiplexer extends Module
A single output multiplexer.
-
class
Multiplier extends Module
A simple multiplier.
-
class
PillarsModuleInfo extends AnyRef
A class containing the parameters of modules and the port number of top design.
A class containing the parameters of modules and the port number of top design. It should be guaranteed that "configBits" is the last param of the parameters of a module.
-
class
RegNextN extends Module
A module which postpones the input date for "latency" clock cycles.
-
class
RegisterFile extends Module
A register file which can perform an arbitrary subset of optional operations.
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class
Registers extends Module
A chain of registers.
- class ScheduleController extends Module
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class
Synchronizer extends Module
A module which achieves synchronization of "input0" and "input1" with "skewing".
-
class
SynthesizedConstUnit extends Module
A simple const unit.
-
class
SynthesizedLoadUnit extends Module
A simple load unit.
-
class
SynthesizedModule extends Module
The synthesized design for a mapped DFG.
The synthesized design for a mapped DFG. When using this module, the origin CGRA architecture plays the role of virtual overlay. Some may call it "soft CGRA", which is used for quick and high-quality compiler.
This Module is only tested when II = 1.
-
class
SynthesizedStoreUnit extends Module
A simple store unit.
-
class
TopModule extends Module
The top design of CGRA.
The top design of CGRA. It should be guaranteed that the type ID of each element should be the same with its order in this class.
-
class
TopModuleWrapper extends Module
Makeshift facilities for context transmission within the limitation of I/O ports in FPGA.
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class
TopModuleWrapperSolid extends Module
A wrapper with solid configurations and schedules.
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class
ADRESPE extends Module
A Chisel ADRES PE.
A Chisel ADRES PE.
- Deprecated
-
class
DispatchT extends Module
A dispatch for testing.
A dispatch for testing.
- Deprecated
Value Members
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object
PillarsConfig
Hardware config in Pillars including the depth of RAM in LSU, limitation of II and the schedule length.


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Festival Coin(s) Festival Coin(s) exchange store.
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Silver Coin(s) Get specific upgrade for your farming.
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Gold Coin(s) Get specific upgrade for your farming.
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Decrease PK Points Don't risk your gear and get this service.
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Title Color Change Options Characters: All - Price 50 Festival Coins!
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Hair Change Options Characters: All - Price 10 Festival Coins!
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Change Character NameChange your character name for 50 Festival Coins! |
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Change Clan NameChange your clan name for 250 Festival Coins! |
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You have arrived at the Mystery Page
Congratulations on making it thus far
You are clearly well acquinted with King Maikol VII
However, this alone is not sufficient to maintain the Kings interest
He prefers his companions intelligent and has personally designed the below challenges to test this important criteria. Ooh and also for his own amusement he has just informed his
personal slave (sorry, I haven't been given a name).
Good luck