Qwen3.6-35B-A3B PARO full4096-e5 — packed format

This is the packed ParoQuant export for Qwen/Qwen3.6-35B-A3B, using the full4096-e5 calibration run.

The packed artifact was produced from the legacy/original export with:

python3 scripts/strip_paro_safetensors.py \
  --input-dir /models/qwen36-quant/Qwen3.6-35B-A3B-PARO-full4096-e5 \
  --output-dir /models/qwen36-quant/Qwen3.6-35B-A3B-PARO-full4096-e5-packed \
  --mode packed

Packed changes:

  • Removed every duplicate fp16 .weight fallback tensor where the same module has .qweight
  • Removed tensors: 250
  • Removed tensor bytes: 2,810,183,680
  • model.safetensors: 20,474,495,512 bytes
  • Actual packed BPW: 4.6799 using a 35B denominator
  • Verified duplicate fallback count after stripping: 0

The legacy/original-format export is available separately at:

Quality and size comparison

Canonical tx4/quality3 evaluation compares each candidate directly against the original BF16 HF model on the same scored token positions.

Model Format Size GiB ↓ BPW ↓ PPL ↓ ΔNLL ↓ KL nats ↓ Top-1 % ↑
Original BF16 HF HF safetensors 66.966 16.435 6.5590 +0.000000 0.000000 100.000
PARO full4096-e5 packed (this repo) packed safetensors 19.068 4.680 6.6216 +0.009506 0.034684 92.000
PARO full4096-e5 unpacked/original-format legacy safetensors 21.686 5.322 6.6216 +0.009506 0.034684 92.000
GGUF UD-Q4_K_S GGUF 19.458 4.776 6.5783 +0.003842 0.012800 94.999
GGUF UD-Q4_K_M GGUF 20.614 5.059 6.5643 +0.001718 0.010849 95.354

Column calculations:

  • Size GiB: active model weight artifact bytes divided by 2^30; for HF/PARO this sums .safetensors weight files only, and for GGUF this is the .gguf file size.
  • BPW: active model weight artifact bytes × 8 / 35,000,000,000; the fixed 35B denominator is used only to make formats directly comparable.
  • PPL: exp(mean NLL) over the canonical scored target positions only. Evaluation source: tx4/quality3 validation set, ctx=2048, stride=1023, 127 windows, 129,921 scored tokens.
  • ΔNLL: candidate mean NLL minus original BF16 HF mean NLL; positive values mean worse true-token likelihood than the original.
  • KL nats: mean KL(P_original_BF16_HF || P_candidate) over the full next-token distribution; lower is better.
  • Top-1 %: percentage of scored positions where the candidate and original BF16 HF choose the same argmax next token; higher is better.
  • Packed and unpacked PARO quality metrics are identical because the packed artifact removes duplicate fp16 fallback tensors only; the quantized tensors are unchanged.
  • GGUF rows were evaluated with llama.cpp using BF16 HF reference log-probabilities streamed in llama.cpp KLD format.

Notes

This artifact requires a packed-aware ParoQuant-compatible loader/runtime; legacy loaders that expect duplicate fp16 fallback .weight tensors will not load this format.

See strip_paro_safetensors_report.json for the exact stripping report.

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