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🧪 See artifacts and rendered test results at hud.pytorch.org/pr/161224

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fduwjj added a commit that referenced this pull request Aug 21, 2025
@fduwjj fduwjj changed the title [WIP][device_mesh] Implement on top of CuTe layout bookkeeping [WIP][device_mesh] Implement _unflatten on top of CuTe layout bookkeeping Aug 22, 2025
…ayout bookkeeping"

cc H-Huang awgu wanchaol fegin wz337 wconstab d4l3k pragupta

[ghstack-poisoned]
fduwjj added a commit that referenced this pull request Aug 25, 2025
…ayout bookkeeping"

cc H-Huang awgu wanchaol fegin wz337 wconstab d4l3k pragupta

[ghstack-poisoned]
fduwjj added a commit that referenced this pull request Aug 26, 2025
…ayout bookkeeping"

cc H-Huang awgu wanchaol fegin wz337 wconstab d4l3k pragupta

[ghstack-poisoned]
fduwjj added a commit that referenced this pull request Aug 26, 2025
…ayout bookkeeping"

cc H-Huang awgu wanchaol fegin wz337 wconstab d4l3k pragupta

[ghstack-poisoned]
fduwjj added a commit that referenced this pull request Aug 26, 2025
…ayout bookkeeping"

cc H-Huang awgu wanchaol fegin wz337 wconstab d4l3k pragupta

[ghstack-poisoned]
fduwjj added a commit that referenced this pull request Aug 26, 2025
@fduwjj fduwjj changed the title [WIP][device_mesh] Implement _unflatten on top of CuTe layout bookkeeping [device_mesh] Implement _unflatten on top of CuTe layout bookkeeping Aug 26, 2025
@fduwjj fduwjj requested a review from wconstab August 26, 2025 21:38
fegin added a commit to pytorch/torchtitan that referenced this pull request Aug 29, 2025
This is a demonstration of how parallel_dims will be when using pytorch/pytorch#161224 stack.
… bookkeeping"

cc H-Huang awgu wanchaol fegin wz337 wconstab d4l3k pragupta

[ghstack-poisoned]
… bookkeeping"

cc H-Huang awgu wanchaol fegin wz337 wconstab d4l3k pragupta ezyang msaroufim dcci

[ghstack-poisoned]
fduwjj added a commit that referenced this pull request Oct 14, 2025
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LGTM, some test suggestions.

Comment on lines 1170 to 1175
backend_override: Optional[
dict[
Union[int, str],
Union[str, C10dBackend.Options, tuple[str, C10dBackend.Options]],
]
] = None,
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Do we still want to support key being "int" option as this API already make mesh_dim_names mandatory?

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Good point, yeah let's make it str only.

… bookkeeping"

cc H-Huang awgu wanchaol fegin wz337 wconstab d4l3k pragupta ezyang msaroufim dcci

[ghstack-poisoned]
fduwjj added a commit that referenced this pull request Oct 14, 2025
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fduwjj commented Oct 14, 2025

@pytorchbot merge

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zhudada0120 pushed a commit to zhudada0120/pytorch that referenced this pull request Oct 15, 2025
fegin added a commit to pytorch/torchtitan that referenced this pull request Oct 15, 2025
This is a demonstration of how parallel_dims will be when using pytorch/pytorch#161224 stack.
Chao1Han pushed a commit to Chao1Han/pytorch that referenced this pull request Oct 21, 2025
fegin added a commit to pytorch/torchtitan that referenced this pull request Oct 28, 2025
This is a demonstration of how parallel_dims will be when using pytorch/pytorch#161224 stack.


ghstack-source-id: d29d2e2
Pull-Request: #1885
fegin added a commit to pytorch/torchtitan that referenced this pull request Nov 3, 2025
This is a demonstration of how parallel_dims will be when using pytorch/pytorch#161224 stack.

ghstack-source-id: d29d2e2
Pull-Request: #1885
fegin added a commit to pytorch/torchtitan that referenced this pull request Nov 4, 2025
This is a demonstration of how parallel_dims will be when using pytorch/pytorch#161224 stack.

ghstack-source-id: d29d2e2
Pull-Request: #1885
fegin added a commit to pytorch/torchtitan that referenced this pull request Nov 7, 2025
This is a demonstration of how parallel_dims will be when using pytorch/pytorch#161224 stack.

ghstack-source-id: d29d2e2
Pull-Request: #1885
@github-actions github-actions bot deleted the gh/fduwjj/185/head branch November 14, 2025 02:17
fegin added a commit to pytorch/torchtitan that referenced this pull request Nov 18, 2025
This is a demonstration of how parallel_dims will be when using pytorch/pytorch#161224 stack.

ghstack-source-id: d29d2e2
Pull-Request: #1885
fegin added a commit to pytorch/torchtitan that referenced this pull request Dec 8, 2025
This is a demonstration of how parallel_dims will be when using pytorch/pytorch#161224 stack.

ghstack-source-id: d29d2e2
Pull-Request: #1885
fegin added a commit to pytorch/torchtitan that referenced this pull request Dec 9, 2025
This is a demonstration of how parallel_dims will be when using pytorch/pytorch#161224 stack.

ghstack-source-id: d29d2e2
Pull-Request: #1885
fegin added a commit to pytorch/torchtitan that referenced this pull request Dec 9, 2025
This is a demonstration of how parallel_dims will be when using pytorch/pytorch#161224 stack.

ghstack-source-id: d29d2e2
Pull-Request: #1885
fegin added a commit to pytorch/torchtitan that referenced this pull request Dec 9, 2025
This is a demonstration of how parallel_dims will be when using pytorch/pytorch#161224 stack.

ghstack-source-id: d29d2e2
Pull-Request: #1885
fegin added a commit to pytorch/torchtitan that referenced this pull request Dec 11, 2025
This is a demonstration of how parallel_dims will be when using pytorch/pytorch#161224 stack.

ghstack-source-id: d29d2e2
Pull-Request: #1885
fegin added a commit to pytorch/torchtitan that referenced this pull request Dec 15, 2025
This is a demonstration of how parallel_dims will be when using pytorch/pytorch#161224 stack.

ghstack-source-id: d29d2e2
Pull-Request: #1885
fegin added a commit to pytorch/torchtitan that referenced this pull request Dec 16, 2025
This is a demonstration of how parallel_dims will be when using pytorch/pytorch#161224 stack.

ghstack-source-id: d29d2e2
Pull-Request: #1885
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