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Merged
merged 3 commits into from
Sep 30, 2025
Merged

Optimize gpu reductions #27

merged 3 commits into from
Sep 30, 2025

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ggeorgakoudis
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Use a 2-level approach with atomics for optimizing GPU reductions:

  • parallel regions reduce in shared memory with atomic
  • team regions reduce in global memory with atomic

@ggeorgakoudis
Add reduction clause to target_teams_distribute
f920a29
@ggeorgakoudis
Add reductions tests for nested for under parallel
3fb7673
@ggeorgakoudis
Optimize GPU reductions
92cbc28 
- Use a 2-level approach with atomics
- Support DSA_REDUCTION_MUL for nested for directices
- Clean up code
@ggeorgakoudis ggeorgakoudis merged commit 7f0e146 into main Sep 30, 2025
100 of 106 checks passed
@ggeorgakoudis ggeorgakoudis deleted the optimize-gpu-reductions branch September 30, 2025 18:38
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@DrTodd13 DrTodd13 DrTodd13 approved these changes

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@ggeorgakoudis @DrTodd13