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Make serial parallel_for "polyfill" iterate backwards in debug builds - #9044

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Mar 11, 2025
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Make serial parallel_for "polyfill" iterate backwards in debug builds#9044
swolchok merged 52 commits into
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gh/swolchok/324/head

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@swolchokswolchok commented Mar 7, 2025

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Catches users who assume it goes forwards in order (like my attempt to use parallel_for in reductions, whoops).

swolchok added 30 commits March 4, 2025 11:35
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This was referenced Mar 11, 2025
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JacobSzwejbka
JacobSzwejbka approved these changes Mar 11, 2025
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The debug loop looks fine to me, though do we have much other NDEBUG ifdefs in the codebase? Is that a mode people often use with ET?

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swolchok commented Mar 11, 2025

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Is that a mode people often use with ET?

Release builds define NDEBUG. it's the same macro that gates assert.

Base automatically changed from gh/swolchok/315/head to mainMarch 11, 2025 18:14
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swolchok added a commit that referenced this pull request Mar 11, 2025
@swolchok
Make parallel_for iterate backwards in debug builds
895abbb
Catches users who assume it goes forwards in order (like my attempt to use parallel_for in reductions, whoops).
ghstack-source-id: 4fa2978
ghstack-comment-id: 2707052203
Pull Request resolved: #9044
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swolchok merged commit 8f7bc8d into mainMar 11, 2025
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swolchok deleted the gh/swolchok/324/head branch March 11, 2025 18:24
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This PR needs a release notes: label

If your changes are user facing and intended to be a part of release notes, please use a label starting with release notes:.

If not, please add the topic: not user facing label.

To add a label, you can comment to pytorchbot, for example
@pytorchbot label "topic: not user facing"

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@swolchokswolchok mentioned this pull request Mar 12, 2025
Merged
swolchok added a commit that referenced this pull request Mar 12, 2025
@swolchok
Revert "Revert "Split & remove extension_parallel (#8983)""
c8aeeea
This reverts commit 05a160e.
Revert "Revert "Make serial parallel_for "polyfill" iterate backwards in debug builds (#9044)""
This reverts commit 815eaff.
Revert "Revert "Unbreak optimized kernels buck build (and check it in unittest-buck) (#9159)""
This reverts commit 10bb615.
ghstack-source-id: 2c4a363
ghstack-comment-id: 2718584686
Pull Request resolved: #9190
SS-JIA pushed a commit that referenced this pull request Mar 12, 2025
@swolchok
Revert "Make serial parallel_for "polyfill" iterate backwards in debu…
498795b
…g builds (#9044)" (#9188)
This reverts commit 8f7bc8d.
swolchok added a commit that referenced this pull request Mar 12, 2025
@swolchok
Revert "Revert "Split & remove extension_parallel (#8983)""
5b02e54
This reverts commit 05a160e.
Revert "Revert "Make serial parallel_for "polyfill" iterate backwards in debug builds (#9044)""
This reverts commit 815eaff.
Revert "Revert "Unbreak optimized kernels buck build (and check it in unittest-buck) (#9159)""
This reverts commit 10bb615.
ghstack-source-id: 2c4a363
ghstack-comment-id: 2718584686
Pull Request resolved: #9190
swolchok added a commit that referenced this pull request Mar 12, 2025
@swolchok
Revert "Revert "Split & remove extension_parallel (#8983)""
7486bd3
This reverts commit 05a160e.
Revert "Revert "Make serial parallel_for "polyfill" iterate backwards in debug builds (#9044)""
This reverts commit 815eaff.
Revert "Revert "Unbreak optimized kernels buck build (and check it in unittest-buck) (#9159)""
This reverts commit 10bb615.
ghstack-source-id: 2c4a363
ghstack-comment-id: 2718584686
Pull Request resolved: #9190
swolchok added a commit that referenced this pull request Mar 12, 2025
@swolchok
Revert "Revert "Split & remove extension_parallel (#8983)"" (#9190)
6ba6e3e
This reverts commit 05a160e.
Revert "Revert "Make serial parallel_for "polyfill" iterate backwards in
debug builds (#9044)""
This reverts commit 815eaff.
Revert "Revert "Unbreak optimized kernels buck build (and check it in
unittest-buck) (#9159)""
This reverts commit 10bb615.
This was referenced Mar 17, 2025
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@github-actionsgithub-actionsBot mentioned this pull request Mar 31, 2025
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@github-actionsgithub-actionsBot mentioned this pull request Apr 7, 2025
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kedarnath03 pushed a commit to kedarnath03/executorch that referenced this pull request Jun 25, 2025
@swolchok
Make parallel_for iterate backwards in debug builds
9affb7a
Catches users who assume it goes forwards in order (like my attempt to use parallel_for in reductions, whoops).
ghstack-source-id: 9b72632
ghstack-comment-id: 2707052203
Pull Request resolved: pytorch/executorch#9044
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