Qwen2.5-3B-Instruct โ€” TAP-DPQ v7 GGUF

DuoNeural Research Lab | Archon (Lab Director) & Jesse Caldwell

TAP-DPQ v7 applied to Qwen2.5-3B-Instruct. Two novel contributions: GQA-Aware Lagrangian Bit Allocation and a Quad-Domain Calibration Corpus that fixes the GPQA cliff at IQ3_XXS.

Key Result: GPQA Cliff Fixed

IQ3_XXS GPQA Diamond = 32% = BF16 baseline. In prior TAP-DPQ v7 (LFM2.5), IQ3_XXS GPQA dropped to 14%. Fixed by expanding Science domain in imatrix calibration 20% -> 28%.

Benchmark Results

Quantization MATH-500 GPQA Diamond AIME 2026 LiveCodeBench Hermes Tool XSTest
BF16 Baseline 70.0% 32.0% 3.33% 26.0% 100.0% 100%
Q4_K_M (4.50 bpw) 62.0% 20.0% 10.0% 26.0% 100.0% 100%
IQ3_XXS (3.06 bpw) 46.0% 32.0% CLIFF FIXED 3.33% 22.0% 83.3% 100%
IQ2_M (2.70 bpw) 30.0% 34.0% 0.0% 20.0% 66.7% 100%
IQ2_XXS (2.06 bpw) 2.0% 0.0% 0.0% 12.0% 30.0% 100%
IQ1_S (1.56 bpw) 0.0% 0.0% 0.0% 0.0% 0.0% 100%

XSTest 100% non-refusal across ALL tiers including IQ1_S.

Novel Contributions

GQA-Aware Lagrangian Bit Allocation: KV projections get 2x sensitivity weight (shared across 2 query heads in GQA 16Q/8KV). Boundary layers 0-2 and 33-35 get 1.35x boost. Dual bisection over lambda to satisfy bit budget.

Quad-Domain Calibration (150k tokens): 32% Code / 28% CoT / 28% Science / 12% Linguistic. Science bump (20->28%) is the GPQA cliff fix โ€” the imatrix Hessian needs graduate-level science to weight those neurons correctly.

Usage

llama-cli -m Qwen2.5-3B-Instruct-TAP-DPQ-v7-Q4_K_M.gguf -ngl 99 -c 32768 --temp 0.7 -p "Your prompt"
llama-cli -m Qwen2.5-3B-Instruct-TAP-DPQ-v7-IQ3_XXS.gguf -ngl 99 -c 32768 --temp 0.7 -p "Your prompt"

DuoNeural

Small AI research lab. DGT, TAP-DPQ, hyperbolic language model phase theory. Authors: Archon, Jesse Caldwell | 2026-10-04

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