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feat(igla): Wave Loop 777 — module-scope [373][2]^6 Pt non-power-of-two packed AoS variable with indexed signed writes#1491

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feat(igla): Wave Loop 777 — module-scope [373][2]^6 Pt non-power-of-two packed AoS variable with indexed signed writes#1491
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Wave Loop 777 — module-scope [373][2]^6 Pt packed array-of-struct variable from call with indexed signed writes.

What landed

  • specs/scratch/w777_bench_module_373x2p6_aos_var_call_write.t27
    • 23,872 elements, 764,416-bit packed vector (~0.729 MiBit).
    • Module-scope pub var dst : [373][2]^6 Pt initialized from make_grid(0) and exercised with indexed signed field writes.
    • assert_eq read-back in a bench block.
  • scripts/gen_w777.py — deterministic generator derived from scripts/gen_w776.py.
  • bootstrap/tests/icarus_lowerable.rs — added accepts_w777_bench_module_373x2p6_aos_var_call_write.
  • .trinity/seals/scratch_w777_bench_module_373x2p6_aos_var_call_write.json — SHA-256 seal.

Verification

  • cargo build --release -p t27c: OK
  • cargo test -p t27c --bin t27c: 1494/0/2
  • cargo test -p tri: 78/0
  • cargo test -p t27c --test icarus_lowerable: 237/0 (including new W777 test)
  • t27c parse: PASS
  • t27c icarus-lowerable: PASS
  • t27c icarus-simulate: PASS (17 cycles)
  • t27c icarus-cocotb: PASS
  • t27c seal --save: PASS

Invariants preserved

  • bootstrap/src/compiler.rs — zero compiler changes.
  • bootstrap/stage0/FROZEN_HASH — unchanged 68a0b933c00ba5efd7facb5997f00880c3eecae55e6ac5e8cea2aee399b92adc.
  • scripts/cocotb_ref_model.py — unchanged.

Closes #1490

Dmitrii Vasilev and others added 7 commits July 24, 2026 02:34
Refs #1481

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…wo outer-dimension array-of-struct variable from call with indexed signed writes (Closes #1483)

- Add generator scripts/gen_w774.py and witness
  specs/scratch/w774_bench_module_367x2p6_aos_var_call_write.t27
  (23,488 elements, 751,616-bit packed vector, ~0.717 MiBit).
- Add integration test accepts_w774_bench_module_367x2p6_aos_var_call_write.
- Seal witness; FROZEN_HASH unchanged.
- Validation: cargo suites green, t27c parse/lowerable/simulate/cocotb PASS.
- Write closeout report, update .trinity/experience.md, current-issue.md,
  .claude/skills/t27-wave-loop.md, and .claude/plans/loop-w774-full-cycle.md.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…wo outer-dimension array-of-struct variable from call with indexed signed writes (Closes #1485)

- Add generator scripts/gen_w775.py derived from gen_w774.py.
- Add witness specs/scratch/w775_bench_module_369x2p6_aos_var_call_write.t27
  (23,616 elements, 755,712-bit packed vector, ~0.721 MiBit).
- Add seal .trinity/seals/scratch_w775_bench_module_369x2p6_aos_var_call_write.json.
- Add integration test accepts_w775_bench_module_369x2p6_aos_var_call_write.
- Update docs/reports/FPGA_LOOP_CLOSEOUT_W775_2026-07-24.md with validation matrix,
  weak-point audit, literature scan, and W776 cooperation variants.
- Update .claude/plans/wave-loop-776.md, .trinity/experience.md,
  .claude/skills/t27-wave-loop.md, and .trinity/current-issue.md.
- Zero compiler / reference-model / FROZEN_HASH changes.

Validation:
- cargo build --release -p t27c: OK
- cargo test -p t27c --bin t27c: 1494/0/2
- cargo test -p tri: 78/0
- cargo test -p t27c --test icarus_lowerable: 235/0
- t27c parse/icarus-lowerable/icarus-simulate(17 cycles)/icarus-cocotb W775: PASS

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…wo outer-dimension array-of-struct variable from call with indexed signed writes (Closes #1487)

- Add generator scripts/gen_w776.py derived from gen_w775.py.
- Add witness specs/scratch/w776_bench_module_371x2p6_aos_var_call_write.t27
  (23,744 elements, 759,808-bit packed vector, ~0.725 MiBit).
- Add seal .trinity/seals/scratch_w776_bench_module_371x2p6_aos_var_call_write.json.
- Add integration test accepts_w776_bench_module_371x2p6_aos_var_call_write.
- Update docs/reports/FPGA_LOOP_CLOSEOUT_W776_2026-07-24.md with validation matrix,
  weak-point audit, literature scan, and W777 cooperation variants.
- Update docs/NOW.md, .claude/plans/wave-loop-777.md, .trinity/experience.md,
  .claude/skills/t27-wave-loop.md, and .trinity/current-issue.md.
- Zero compiler / reference-model / FROZEN_HASH changes.

Validation:
- cargo build --release -p t27c: OK
- cargo test -p t27c --bin t27c: 1494/0/2
- cargo test -p tri: 78/0
- cargo test -p t27c --test icarus_lowerable: 236/0
- t27c parse/icarus-lowerable/icarus-simulate(17 cycles)/icarus-cocotb W776: PASS

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…wo outer-dimension array-of-struct variable from call with indexed signed writes

Closes #1490
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PR Dashboard

Generated at: 2026-07-24 13:32:44 UTC

Summary

Status Count
Total Open PRs 37
PRs with Failing Checks 27
PRs with All Checks Green 10
READY 9
FAILING 27
PENDING 0

Seal Status

  • ⚠️ STALE -- sha256(compiler.rs)=68a0b933c00b != 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).

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📓 NotebookLM Notebook linked to this PR

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

…xperience, W778 plan/report

Closes #1490

- Advance .trinity/current-issue.md to Wave Loop 778 (issue #1492).
- Refresh docs/NOW.md with W777 landed state and W778 candidate variants.
- Append W777 worked example to .claude/skills/t27-wave-loop.md.
- Prepend W777 learnings to .trinity/experience.md.
- Add .claude/plans/wave-loop-778.md and loop-w777-full-cycle.md.
- Add closeout report docs/reports/FPGA_LOOP_CLOSEOUT_W777_2026-07-24.md.
- Save memory file wave-loop-777.md and update MEMORY.md index.

No compiler / FROZEN_HASH / reference-model changes.
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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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PR Dashboard

Generated at: 2026-07-24 13:38:25 UTC

Summary

Status Count
Total Open PRs 37
PRs with Failing Checks 27
PRs with All Checks Green 10
READY 9
FAILING 27
PENDING 0

Seal Status

  • ⚠️ STALE -- sha256(compiler.rs)=68a0b933c00b != 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).

This was referenced Jul 24, 2026
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Wave Loop 777 — module-scope [373][2]^6 Pt non-power-of-two packed AoS variable with indexed signed writes

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