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docs(RESULTS): static matrix completed — composition B 4.6045 #219

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Merged
ronaldtse merged 1 commit into from
Sep 28, 2026
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docs(RESULTS): static matrix completed — composition B 4.6045 #219

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19 changes: 19 additions & 0 deletions docs/RESULTS.md
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Expand Up @@ -824,3 +824,22 @@ carries +8% CPU decode speed. The re-export decision (index-v6,
golden regen, browser-size composition gated separately) is now fully
informed; the export path is one command (modal_export::static,
merged in PR #217).

## Static matrix completed: composition B (int8 enc) at 4.6045 (2026-09-17)

The browser-size premise corrected itself on measurement: the static
decoder graph (QOperator + casts) is LARGER than dynamic — composition
B (int8-dynamic encoder + static decoder) lands at 491 MiB vs the
shipped dynamic int8's 264 MiB. Static trades SIZE for SPEED; it is
the CPU-speed tier, not a browser play. Quality completes cleanly:

| composition | encoder | decoder | size | full-set DER |
|---|---|---|---|---|
| shipped dynamic | int8 | int8 (dynamic acts) | 264 MiB | 4.5619 / 4.5701 |
| static A | fp32 | int8 (static acts) | 1.17 GiB | 4.5952 / 4.6241 |
| static B | int8 | int8 (static acts) | 491 MiB | **4.6045** |

The int8 encoder costs ~0.01pp over A; everything sits inside the
drift band and inside the not-separated paired CI. Static's place in
the catalog, when the release is called: a server/CPU tier where
decode speed outweighs artifact size.
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