malaiwah commited on
Commit
b5ef443
·
verified ·
1 Parent(s): 1e5c97a

SEALED: 0.012384191 over the full panel, two bitwise-identical cold runs

Browse files
Files changed (2) hide show
  1. README.md +33 -34
  2. receipts/stream-k8-kld.json +26 -0
README.md CHANGED
@@ -31,43 +31,42 @@ MTP layer quantized at K8 (128-word trellis, MCG `0xCBAC1FED`); everything else
31
  embeddings, lm_head) **bit-exact native BF16**. 331.4 GB — within 1% of the
32
  official FP8 release's footprint, at 1.66× lower divergence.
33
 
34
- > ⚠️ **PRELIMINARY**: the number below is cold run 1 of 2 over the full sealed
35
- > panel. The second cold run (determinism check) is in flight; the sealed
36
- > two-run receipt replaces this section when it lands.
37
-
38
- ## Quality full sealed panel, streaming lane
39
-
40
- | Model | Mean KLD (nats) | Top-1 | Size | Scope |
41
- |---|---:|---:|---:|---|
42
- | **This K8 (preliminary)** | **0.012384** | **96.78 %** | 331 GB | full panel, run 1/2 |
43
- | K6 (same lane) | 0.013715 | 96.56 % | 254 GB | full panel, run 1 |
44
- | [K6 (sealed, 5 runs)](https://huggingface.co/malaiwah/GLM-5.3-Flash-TR3-6bpw) | 0.013723 | — | 254 GB | full panel × 5 bitwise-identical |
45
- | Official FP8 | 0.020615 | 95.63 % | 328 GB | cross-stack, [receipt](https://huggingface.co/datasets/malaiwah/GLM-5.3-Flash-fidelity-suite-v1/blob/main/reports/fp8-on-brandon-panel.json) |
46
- | brandonmusic 4bpw | 0.024555 | | 176 GB | full panel, his stack |
47
- | 0xSero Dione Q4 | 0.027263 | | 188 GB | full panel, [our measurement](https://huggingface.co/datasets/malaiwah/GLM-5.3-Flash-fidelity-suite-v1/blob/main/reports/dione-q4-packed-kld.json) |
48
- | NVFP4 (his stack) | 0.060535 | | ~180 GB | 1 window × 5 runs |
49
-
50
- Measured on brandonmusic's sealed 25-window / 51,175-position panel against his
51
- fp32 BF16 teacher logits, direction KLD(teacher student), fp64 accumulation.
52
-
53
- **Headline: at the same footprint as the official FP8 (331 vs 328 GB), K8 is
54
- 1.66× closer to the BF16 teacher.** Weight-space corroboration: with the
55
- intermediate-channel permutation undone, K8's shipped store is **13.2× tighter
56
- in NMSE** than K6's (3.505e-5 vs 4.624e-4, better in 30 of 30 sampled matrices).
57
-
58
- **Lane note.** This is the *streaming* lane (single GPU, ~$8/panel), not the
59
- 8×H200 sealed lane K6 was qualified on. The lanes were bridged on this exact
60
- panel: K6 measures 0.013715 streaming vs 0.013723 sealed a **−8.5e-6**
61
- difference (0.06 %), fully explained by expert-combine order in bf16. Rows
62
- above from different lanes are labelled; do not mix them without that offset in
63
- mind.
64
 
65
  **Methodology note worth stealing.** A single-window comparison of these two
66
  rates is *statistically meaningless*: per-window KLD scatter has sd 1.73e-3
67
- against a K6-vs-K8 effect of 1.22e-3. On one unlucky window (`window-0000`) K8
68
- appeared *worse* than K6; over the full panel it wins decisively. Never quote a
69
- single-window KLD as a rate comparison — the full write-up is in
70
- [`k6/K8-ANOMALY.md`](https://github.com/malaiwah/glm53-flash-fidelity-suite/blob/main/k6/K8-ANOMALY.md).
71
 
72
  ## What this is (and is not)
73
 
 
31
  embeddings, lm_head) **bit-exact native BF16**. 331.4 GB — within 1% of the
32
  official FP8 release's footprint, at 1.66× lower divergence.
33
 
34
+ ## Quality SEALED, full panel, two bitwise-identical cold runs
35
+
36
+ **Mean KLD(teacher K8) = 0.012384191023436866** over the full sealed panel
37
+ (25 windows / 51,175 positions), **two cold runs producing identical means to
38
+ the last digit** (`bitwise_deterministic: true`). Quality gate passed.
39
+ Receipt: [`receipts/stream-k8-kld.json`](receipts/stream-k8-kld.json).
40
+
41
+ | Model | Mean KLD (nats) | Size | Lane |
42
+ |---|---:|---:|---|
43
+ | **This K8** | **0.012384** | 331 GB | streaming, 2 runs |
44
+ | [K6](https://huggingface.co/malaiwah/GLM-5.3-Flash-TR3-6bpw) | 0.013715 | 254 GB | streaming, 2 runs |
45
+ | K6 (sealed 8×H200, 5 runs) | 0.013723 | 254 GB | sealed EP8 |
46
+ | Official FP8 | 0.020615 | 328 GB | cross-stack |
47
+ | brandonmusic 4bpw | 0.024555 | 176 GB | his stack |
48
+ | 0xSero Dione Q4 | 0.027263 | 188 GB | [our measurement](https://huggingface.co/datasets/malaiwah/GLM-5.3-Flash-fidelity-suite-v1/blob/main/reports/dione-q4-packed-kld.json) |
49
+ | NVFP4 | 0.060535 | ~180 GB | his stack, 1 window |
50
+
51
+ **At the same footprint as the official FP8 release (331 vs 328 GB), K8 is
52
+ 1.66× closer to the BF16 teacher** — and 1.11× closer than K6 at 30 % more
53
+ bytes. Weight-space corroboration: with the intermediate-channel permutation
54
+ undone, K8's shipped store is **13.2× tighter in NMSE** than K6's (3.505e-5 vs
55
+ 4.624e-4, better in 30 of 30 sampled matrices).
56
+
57
+ **Lane disclosure.** Measured on the single-GPU *streaming* lane (~$6/model),
58
+ not the 8×H200 sealed lane. The lanes were bridged on this exact panel: K6
59
+ reads 0.013714889 streaming vs 0.013723385 sealed **−8.5e-6 (0.06 %)**, with
60
+ the worst single window differing by 2.9e-4. The streaming receipt sets
61
+ `publishable_as_reproduction: false` because a different expert-combine order
62
+ is an independent measurement that agrees closely, not a bitwise reproduction.
 
63
 
64
  **Methodology note worth stealing.** A single-window comparison of these two
65
  rates is *statistically meaningless*: per-window KLD scatter has sd 1.73e-3
66
+ against a K6-vs-K8 effect of 1.22e-3. On one unlucky window (`window-0000`)
67
+ K8 appeared *worse* than K6; over the full panel it wins decisively. Never
68
+ quote a single-window KLD as a rate comparison —
69
+ [full write-up](https://github.com/malaiwah/glm53-flash-fidelity-suite/blob/main/k6/K8-ANOMALY.md).
70
 
71
  ## What this is (and is not)
72
 
receipts/stream-k8-kld.json ADDED
@@ -0,0 +1,26 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ {
2
+ "bitwise_deterministic": true,
3
+ "cold_run_count": 2,
4
+ "cold_run_deviation": "2 cold runs, not 5 (budget; disclosed)",
5
+ "distinct_tokenwise_kld_sha256": [
6
+ "763bc4a56a371e11a0f96469885b920deb6acb2c7c576d1268fb0907577f0942"
7
+ ],
8
+ "kld_report_sha256": [
9
+ "965566f1d62e75051612045ff88424e50c46a6d1abfecfb92b04af78e8bf3798",
10
+ "d223567460e4c22cccc432b082cf74bfbc7339628b13db823fd0e0590f2f20bb"
11
+ ],
12
+ "measured_mean_kld": 0.012384191023436866,
13
+ "profile": "k8-tp4",
14
+ "quality_gate": {
15
+ "metric": "mean_tokenwise_kld",
16
+ "threshold_lt": 0.06
17
+ },
18
+ "quality_gate_passed": true,
19
+ "run_means": [
20
+ 0.012384191023436866,
21
+ 0.012384191023436866
22
+ ],
23
+ "schema": "malaiwah.glm53-k8-packed-kld-summary.v1",
24
+ "student_label": "uniform-k8",
25
+ "teacher_receipt_sha256": "2ae08117c3d4247f747b2a9a889b68e1a06387b788d56a0bf23bb950c77bc5a5"
26
+ }