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Respect atomic quantum regions in QuakeSimplify rewrites - #5156

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khalatepradnya merged 1 commit into
NVIDIA:mainfrom
khalatepradnya:atomic-region-quake-simplify
Aug 18, 2026
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Respect atomic quantum regions in QuakeSimplify rewrites#5156
khalatepradnya merged 1 commit into
NVIDIA:mainfrom
khalatepradnya:atomic-region-quake-simplify

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@khalatepradnya khalatepradnya commented Aug 18, 2026

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Summary

This PR completes the remaining QuakeSimplify portion of atomic quantum region optimization boundaries on top of merged PRs #5128, #5129, and #5123.

  • Prevent multi-operation QuakeSimplify rewrites from combining operations across an atomic_quantum_region scope boundary.
  • Continue optimizing wholly inside a marked scope and through supported ordinary single-block cc.scope regions.

@khalatepradnya @codex
Respect atomic quantum regions in QuakeSimplify rewrites
7fd46fe 
- Prevent multi-operation QuakeSimplify patterns from combining operations
  that do not share the same nearest `atomic_quantum_region` scope. Keep
  ordinary single-block scopes transparent and conservatively stop at
  region structure not modeled by these local rewrites.

- Require matched producer results to have one use before rewriting.

Co-authored-by: OpenAI Codex <codex@openai.com>
Signed-off-by: Pradnya Khalate <pkhalate@nvidia.com>
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CI Summary (push) — ✅ passed

Run #32082766125 · ✅ 7 · ⏩ 7 · ❌ 0 · ⛔ 0

Top-level jobs (14)
Job Result
binaries ⏩ skipped
build_and_test ✅ success
changes ✅ success
config_devdeps ✅ success
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⏩ Skipped jobs (7) — intentionally skipped on PR builds; run on merge_group / workflow_dispatch
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sacpis
sacpis approved these changes Aug 18, 2026
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LGTM. Thanks @khalatepradnya.

@khalatepradnya
khalatepradnya added this pull request to the merge queue Aug 18, 2026
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@khalatepradnya
khalatepradnya added this pull request to the merge queue Aug 18, 2026
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CI Summary (merge_group) — ✅ passed

Run #32101147219 · ✅ 13 · ⏩ 1 · ❌ 0 · ⛔ 0

Top-level jobs (14)
Job Result
binaries ✅ success
build_and_test ✅ success
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Merged via the queue into NVIDIA:main with commit 275a4eb Aug 18, 2026
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@khalatepradnya
khalatepradnya deleted the atomic-region-quake-simplify branch August 18, 2026 06:37
github-actions Bot pushed a commit that referenced this pull request Aug 18, 2026
@cuda-quantum-bot
Cleaning up docs preview for PR #5156.
06ce587
@aminx-hue aminx-hue added the Exalate This Github item has been synced via Exalate. label Aug 19, 2026
anthony-santana pushed a commit that referenced this pull request Aug 24, 2026
@khalatepradnya @codex
Respect atomic quantum regions in QuakeSimplify rewrites (#5156)
4375878 
### Summary

This PR completes the remaining `QuakeSimplify` portion of atomic
quantum region optimization boundaries on top of merged PRs #5128,
#5129, and #5123.

- Prevent multi-operation QuakeSimplify rewrites from combining
operations across an `atomic_quantum_region` scope boundary.
- Continue optimizing wholly inside a marked scope and through supported
ordinary single-block `cc.scope` regions.

Signed-off-by: Pradnya Khalate <pkhalate@nvidia.com>
Co-authored-by: OpenAI Codex <codex@openai.com>
@bettinaheim bettinaheim added the no release notes Don't list this PR in the release notes label Sep 11, 2026
@bettinaheim bettinaheim added this to the release 0.16.0 milestone Sep 11, 2026
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@sacpis sacpis sacpis approved these changes
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