[Inductor] Optimize identity permute in empty_permuted decomposition#169731
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karthickai wants to merge 3 commits intogh/karthickai/30/basefrom
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[Inductor] Optimize identity permute in empty_permuted decomposition#169731karthickai wants to merge 3 commits intogh/karthickai/30/basefrom
karthickai wants to merge 3 commits intogh/karthickai/30/basefrom
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🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/169731
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ProExpertProg
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Dec 6, 2025
…omposition" This PR optimizes the empty_permuted decomposition to skip identity permute op (e.g `permute([0, 1]`)) when the permutation doesn't change the layout. Fixes part of the issue #169440 cc voznesenskym penguinwu EikanWang jgong5 Guobing-Chen XiaobingSuper zhuhaozhe blzheng wenzhe-nrv jiayisunx ipiszy kadeng muchulee8 amjames chauhang aakhundov coconutruben jataylo mlazos [ghstack-poisoned]
zou3519
reviewed
Dec 8, 2025
zou3519
approved these changes
Dec 8, 2025
…omposition" This PR optimizes the empty_permuted decomposition to skip identity permute op (e.g `permute([0, 1]`)) when the permutation doesn't change the layout. Fixes part of the issue #169440 cc voznesenskym penguinwu EikanWang jgong5 Guobing-Chen XiaobingSuper zhuhaozhe blzheng wenzhe-nrv jiayisunx ipiszy kadeng muchulee8 amjames chauhang aakhundov coconutruben jataylo mlazos [ghstack-poisoned]
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liangxs
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Dec 9, 2025
…ytorch#169731) This PR optimizes the empty_permuted decomposition to skip identity permute op (e.g `permute([0, 1]`)) when the permutation doesn't change the layout. Fixes part of the issue pytorch#169440 Pull Request resolved: pytorch#169731 Approved by: https://github.com/ProExpertProg, https://github.com/zou3519
skpark-rh
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Dec 10, 2025
…ytorch#169731) This PR optimizes the empty_permuted decomposition to skip identity permute op (e.g `permute([0, 1]`)) when the permutation doesn't change the layout. Fixes part of the issue pytorch#169440 Pull Request resolved: pytorch#169731 Approved by: https://github.com/ProExpertProg, https://github.com/zou3519
This was referenced Jan 15, 2026
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Stack from ghstack (oldest at bottom):
This PR optimizes the empty_permuted decomposition to skip identity permute op (e.g
permute([0, 1])) when the permutation doesn't change the layout. Fixes part of the issue #169440cc @voznesenskym @penguinwu @EikanWang @jgong5 @Guobing-Chen @XiaobingSuper @zhuhaozhe @blzheng @wenzhe-nrv @jiayisunx @ipiszy @kadeng @muchulee8 @amjames @chauhang @aakhundov @coconutruben @jataylo @mlazos