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feat(igla-coder): record the pilot's measured t27 result (Closes #1041) - #4796

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feat/igla-coder-pilot-measured
Sep 25, 2026
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feat/igla-coder-pilot-measured

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Records the igla-coder-gpu pilot's measured result into specs/igla/coder/pipeline.t27 — the spec the WARS arena's IGLA CODER lane (lane 03) reads. This is the "one form": the corpus is .t27 specs, the pilot is their execution, and the WARS arena reads the result back.

Closes #1041

What landed

The IGLA coder pipeline had no measured checkpoint, so WARS lane 03 shows "no executable checkpoint verified." The pilot now provides one, judged by t27c (the exact compiler judge):

  • checkpoints: fp100m + t27 fine-tune, tern100m + t27 fine-tune (100m params, 2.5B pretrain tokens, 3-epoch .t27 fine-tune)
  • strict set (391 items, both constant mutants fail): fp 8/391, tern 5/391 solved within 10 tries
  • all 466 items: fp pass@10 5.8% (27), tern 5.4% (25); compile@1 12–14% is the wall
  • t27 val bits/byte: fp 0.4589, tern 0.4957
  • source: gHashTag/igla-coder-gpu research/T27_BENCH.md

Honesty limits (BINDING)

  • The checkpoint is not yet published with a verifiable SHA, so the live WARS lane stays unregistered until it is. Flipping the tab additionally needs the checkpoint published and an arena run registered.
  • A 100m model solves ~2% of held-out functions in ten tries.
  • This is a software result judged by t27c, not a hardware or deployed-network one.

🤖 Generated with Claude Code

…ine spec

Closes #1041

The igla-coder-gpu pilot produced trained 100m fp/tern checkpoints and a t27
benchmark judged by t27c. This records that measured result into
specs/igla/coder/pipeline.t27 (the spec the WARS arena's IGLA CODER lane reads),
moving the pipeline from "described" to "measured":

- strict 391: fp 8, tern 5 solved within 10 tries
- all 466: fp pass@10 5.8% (27), tern 5.4% (25); compile@1 12-14% is the wall
- source: gHashTag/igla-coder-gpu research/T27_BENCH.md

Honesty limit: the checkpoint is not yet published with a verifiable SHA, so the
live WARS lane stays unregistered until it is; a software result judged by t27c,
not hardware or a deployed network.
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📓 NotebookLM Notebook linked to this PR

This notebook contains session context, decisions, and artifacts for this work.

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Generated at: 2026-09-24 17:45:51 UTC

Summary

Status Count
Total Open PRs 35
PRs with Failing Checks 32
PRs with All Checks Green 3
READY 3
FAILING 32
PENDING 0
NO CHECKS YET 0

Seal Status

  • ⚠️ STALE -- sha256(compiler.rs)=403499176a5d != manifest seal=87e5cbd3ad94.
    The committed NMSE numbers were certified against an older compiler.rs.
    Run scripts/reseal-check.sh locally for the two-step reseal command (advisory; not a merge gate).

@gHashTag
gHashTag merged commit f56a6a9 into master Sep 25, 2026
24 of 32 checks passed
dmitrii-f-t27 added a commit that referenced this pull request Oct 2, 2026
Three tests that cannot fail are removed (their specs are BLOCKED in Zig, so no assertion in them would run); the stale cordic row moves down (4049 -> 3905); the pipeline seal, stale since #4796, is resealed.

Refs #5497
dmitrii-f-t27 added a commit that referenced this pull request Oct 10, 2026
Corpus Ratchet failed its first step on master: three files gained a test
that cannot fail. specs/igla/coder/pipeline.t27 added one whose body is
'assert true' (#4796); ternary_mac_synth.t27 (on_clock_reset) and
gf16_matmul_top.t27 (led_r23_toggles) added ones whose bodies are only
comments, the second ending "we will skip and hope".

None of the three can be given an assertion that runs: t27c test-report
reports all three specs BLOCKED in Zig, so no test in them executes. The
three bodies are removed, as the gate asks; the pilot measurement in
pipeline.t27 stays as written, with its invariant line.

The ledger drops the one row that was already slack:
specs/igla/race/cordic.t27 144 -> 0 (total 4049 -> 3905). The pipeline
seal, stale on master since #4796, is resealed; --verify reports all MATCH.
All four backends generate the three specs before and after, and the corpus
suite summary is identical to master's.

Refs #5497
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[IGLA-Coder] P8 Integration into t27 and publication

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