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shisa-ai/
Qwen3.6-35B-A3B-PARO-packed

Name: Qwen3.6-35B-A3B-PARO-packed
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Qwen3.6-35B-A3B PARO full8192-oldfresh-rbparams-e5 — packed format

This is the packed ParoQuant export for Qwen/Qwen3.6-35B-A3B, using the full8192-oldfresh-rbparams-e5 calibration run.

This run extends the previous 4096-sample runbook-parameter calibration to an 8192-sample 50/50 old+fresh calibration mix.

Optimizer recipe:

text

stage 1: channel_scales:0.05, angles:0.05
stage 2: weight:1e-5, quantizer:1e-6
5 epochs per stage

Headline calibration-scaling comparison

Canonical tx4/quality3 evaluation was run on the equivalent legacy/original exports against the original BF16 HF model. Packed and legacy exports contain the same quantized tensors, so quality metrics are expected to be identical.

Model	Calibration	Optimizer recipe	Packed BPW ↓	PPL ↓	KL nats ↓	ΔNLL ↓	RMS Δp % ↓	Top-1 % ↑	Max KL ↓
PARO full2048-e1	2048×2048	early recipe	4.6799	6.6829	0.036681	+0.018721	5.329	91.683	17.3496
PARO full4096-e5-packed	4096×2048	previous recipe	4.6799	6.6216	0.034684	+0.009506	5.170	92.000	11.0422
PARO full4096-rbparams-e5-packed	4096×2048	runbook params	4.6799	6.6116	0.028336	+0.007996	4.730	92.816	9.7888
PARO full8192-oldfresh-rbparams-e5-packed	8192×2048	runbook params	4.6799	6.6090	0.027939	+0.007594	4.646	92.856	6.3961

Relative to the previous 4096 runbook-parameter packed checkpoint:

Metric	4096 rbparams	8192 old+fresh rbparams	Change
PPL ↓	6.6116	6.6090	-0.0027 / -0.04%
KL nats ↓	0.028336	0.027939	-0.000397 / -1.4%
ΔNLL ↓	+0.007996	+0.007594	-0.000402 / -5.0%
RMS Δp % ↓	4.730	4.646	-0.084 / -1.8%
Top-1 % ↑	92.816	92.856	+0.039 pp
Max KL ↓	9.7888	6.3961	-3.3927 / -34.7%

Relative to the first 2048-sample row:

PPL improved 6.6829 → 6.6090 (-0.0739, -1.1%)
KL improved 0.036681 → 0.027939 (-0.008742, -23.8%)
Top-1 agreement improved 91.683% → 92.856% (+1.17 pp)

The 8192 run is a modest but consistent quality improvement over the 4096 runbook-parameter run, with the largest visible gain in outlier control (Max KL).

Full canonical quality table

Evaluation protocol:

Reference: original BF16 HF model
Validation source: held-out tx4/quality3 calibration validation mix
Context/window length: 2048 tokens
Stride: 1023 tokens
Scored target positions/window: 1025..2047 inclusive
Windows: 127
Prompt tokens/model: 260,096
Scored tokens/model: 129,921

Model	Kind	Reference	Artifact BPW ↓	Packed BPW est. ↓	PPL ↓	Ref PPL	Mean NLL ↓	Ref NLL	ΔNLL ↓	KL nats ↓	Max KL ↓	RMS Δp % ↓	Top-1 % ↑
Original BF16 HF	HF/Transformers	self	16.435	16.435	6.5590	6.5590	1.880836	1.880836	+0.000000	0.000000	0.000000	0.000	100.000
PARO full2048-e1	HF/ParoQuant	Original BF16 HF	4.680	4.677	6.6829	6.5590	1.899558	1.880836	+0.018721	0.036681	17.349611	5.329	91.683
PARO full4096-e5	HF/ParoQuant	Original BF16 HF	5.322	4.677	6.6216	6.5590	1.890342	1.880836	+0.009506	0.034684	11.042196	5.170	92.000
PARO full4096-rbparams-e5	HF/ParoQuant	Original BF16 HF	5.322	4.677	6.6116	6.5590	1.888832	1.880836	+0.007996	0.028336	9.788753	4.730	92.816
PARO full8192-oldfresh-rbparams-e5	HF/ParoQuant	Original BF16 HF	5.322	4.677	6.6090	6.5590	1.888431	1.880836	+0.007594	0.027939	6.396052	4.646	92.856

Training and calibration details

Training run:

Optimizer run name: full8192-oldfresh-rbparams-e5
Started: 2026-05-31T19:18:10+09:00
Finished: 2026-06-07T00:28:57+09:00
Wall time: about 149h 11m (6d 5h 11m)
Layer-loop time reported by tqdm: 149:07:56
GPU: single GPU, CUDA_VISIBLE_DEVICES=2
Activation spill: local NVMe spill directory under /models/qwen36-paroquant-spill/full8192-oldfresh-rbparams-e5
Peak observed spill footprint during monitoring: about 130G
Quantization: W4A16 ParoQuant, bits=4, group_size=128, krot=8
Batch size: 8
Gradient accumulation: 2
Cache shards: 8
Loss: smooth_l1
Skipped modules: mlp.gate, mlp.shared_expert_gate, linear_attn.in_proj_a, linear_attn.in_proj_b

Calibration data:

Split/source	Rows in JSONL	Chars	Qwen token metadata	Notes
Old 4096 train mix	8,068	26,070,158	8,388,652	prior 4096 tx4/codebreadth/chotto mix
Fresh 4096 no-overlap train mix	7,838	26,154,425	8,388,608	fresh sample set; row-hash overlap with old mix was checked as 0
Combined train target	15,906 rows	52,224,583	~16.78M	optimized as 8192×2048 token blocks; one deterministic duplicate block was padded to preserve fixed batch shapes
Held-out validation	207	409,969	131,116	canonical 64×2048-token validation mix

Combined train rows by group:

Group	Rows
english_general	3,916
code_breadth	3,212
japanese	3,162
chat_translation	1,549
chinese	1,485
other_multilingual	1,415
math_stem	1,166
calibration_padding	1

Validation rows by group:

Group	Rows
code_breadth	54
english_general	40
japanese	40
other_multilingual	24
math_stem	17
chinese	16
chat_translation	15
calibration_padding	1

Top train sources include chotto-20260107-sft, abeja-cc-ja, fineweb2-zh, fineweb-edu-sample, fineweb-sample, wikipedia-en, finemath-4plus, and multiple stack-edu-* code sources.

Packed artifact details

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

bash

python3 scripts/strip_paro_safetensors.py \
  --input-dir /models/qwen36-quant/Qwen3.6-35B-A3B-PARO-full8192-oldfresh-rbparams-e5 \
  --output-dir /models/qwen36-quant/Qwen3.6-35B-A3B-PARO-full8192-oldfresh-rbparams-e5-packed \
  --mode packed \
  --overwrite

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 shared-expert fallback count after stripping: 0

Related checkpoints:

4096 runbook packed release: shisa-ai/Qwen3.6-35B-A3B-PARO-full4096-rbparams-e5-packed
Previous packed 4096/e5 release: shisa-ai/Qwen3.6-35B-A3B-PARO-full4096-e5-packed
Legacy/original-format 8192 export: Qwen3.6-35B-A3B-PARO-full8192-oldfresh-rbparams-e5

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.

shisa-ai/Qwen3.6-35B-A3B-PARO-packed