OxCoder-9B — MERNIK Quantization

MERNIK ("the one who measures") quants of OrionLLM/OxCoder-9B (Qwen3.5-9B agentic coding finetune, 262K context): imatrix-driven priority-queue allocation, judged by all three columns in synergy — PPL (canary), KLD-vs-ref (rank), scored tasks (verdict).

Results (all builds, all columns)

HE = HumanEval, 164 tasks, pass@1. llama-server --jinja, temp 1.0 / top_p 0.95 / top_k 20 / presence 0.0, max_tokens 2048, fixed seeds. PPL/KLD: llama-perplexity -ngl 99 -c 1024 -n 64 -b 512 --seed 7, wikitext-2-raw.

Build Size PPL KLD vs Q8 HE pass@1
OxCoder-9B-MERNIK-6500-Q8.gguf 6.83 GB 7.5125 0.0386 90.24% (148/164) 👑 — beats NeoHorse-MSE by +4.3pp at same weight
OxCoder-9B-MERNIK-6500-SMSE.gguf 6.83 GB 7.5410 — 91.46% (150/164), HE+ 87.8 — thank-you build TAKES the Q8 crown by +1.2pp
OxCoder-9B-MERNIK-5100-Q4.gguf 5.36 GB 7.5670 0.0505 88.41% (145/164) — small beats NeoHorse big: distillate depth
Q6_K (stock) 7.36 GB 7.6758 0.0116 84.15% (138/164) — flat keeps up, allocation still wins

Finetune-vs-finetune duel: distillate leads on all weights.

⚡ Fast ring: GPQA-recognition (non-standard). Ox-MSE-6500 49.5%, Ox-SMAPE-5100 49.0% — below Neo despite winning HE: thinkers spread first-token mass. Recognition ≠ reasoning; details in wepiqx/MERNIK.

Method + protocol: wepiqx/MERNIK.

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