Skip to content

Conversation

shunting314
Copy link
Contributor

@shunting314 shunting314 commented Oct 8, 2025

Stack from ghstack (oldest at bottom):

Previously when torch.are_deterministic_algorithms_enabled() is True Inductor will

  • skip autotuning pointwise kernels
  • pick a fixed (and quite arbitrary) config for reduction

This PR change the behavior to

  • for pointwise kernels, we still do autotuning
  • for reduction kernels, we use the recent added heuristic to pick a config

cc @voznesenskym @penguinwu @EikanWang @jgong5 @Guobing-Chen @XiaobingSuper @zhuhaozhe @blzheng @wenzhe-nrv @jiayisunx @ipiszy @chenyang78 @kadeng @muchulee8 @amjames @chauhang @aakhundov @coconutruben

Copy link

pytorch-bot bot commented Oct 8, 2025

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/164905

Note: Links to docs will display an error until the docs builds have been completed.

❗ 1 Active SEVs

There are 1 currently active SEVs. If your PR is affected, please view them below:

❌ 1 New Failure, 1 Pending

As of commit c9c4fe6 with merge base 50c338c (image):

NEW FAILURE - The following job has failed:

This comment was automatically generated by Dr. CI and updates every 15 minutes.

shunting314 added a commit that referenced this pull request Oct 8, 2025
… inductor

ghstack-source-id: 15dbe87
Pull Request resolved: #164905
…thms affect inductor"


Previously when torch.are_deterministic_algorithms_enabled() is True Inductor will
- skip autotuning pointwise kernels
- pick a fixed (and quite arbitrary) config for reduction

This PR change the behavior to
- for pointwise kernels, we still do autotuning
- for reduction kernels, we use the recent added heuristic to pick a config 



cc voznesenskym penguinwu EikanWang jgong5 Guobing-Chen XiaobingSuper zhuhaozhe blzheng wenzhe-nrv jiayisunx ipiszy chenyang78 kadeng muchulee8 amjames chauhang aakhundov coconutruben

[ghstack-poisoned]
shunting314 added a commit that referenced this pull request Oct 8, 2025
… inductor

ghstack-source-id: b4f0a33
Pull Request resolved: #164905
@shunting314 shunting314 added the topic: not user facing topic category label Oct 8, 2025
@shunting314
Copy link
Contributor Author

@pytorchbot merge

@pytorch-bot pytorch-bot bot added the ciflow/trunk Trigger trunk jobs on your pull request label Oct 8, 2025
@pytorchmergebot
Copy link
Collaborator

Merge started

Your change will be merged once all checks pass (ETA 0-4 Hours).

Learn more about merging in the wiki.

Questions? Feedback? Please reach out to the PyTorch DevX Team

Advanced Debugging
Check the merge workflow status
here

@pytorchmergebot
Copy link
Collaborator

Merge failed

Reason: 1 jobs have failed, first few of them are: trunk / linux-jammy-cuda12.8-py3.10-gcc11 / test (default, 3, 5, lf.linux.g6.4xlarge.experimental.nvidia.gpu)

Details for Dev Infra team Raised by workflow job

…thms affect inductor"


Previously when torch.are_deterministic_algorithms_enabled() is True Inductor will
- skip autotuning pointwise kernels
- pick a fixed (and quite arbitrary) config for reduction

This PR change the behavior to
- for pointwise kernels, we still do autotuning
- for reduction kernels, we use the recent added heuristic to pick a config 



cc voznesenskym penguinwu EikanWang jgong5 Guobing-Chen XiaobingSuper zhuhaozhe blzheng wenzhe-nrv jiayisunx ipiszy chenyang78 kadeng muchulee8 amjames chauhang aakhundov coconutruben

[ghstack-poisoned]
shunting314 added a commit that referenced this pull request Oct 9, 2025
… inductor

ghstack-source-id: a103f57
Pull Request resolved: #164905
@shunting314
Copy link
Contributor Author

@pytorchbot merge -i

@pytorchmergebot
Copy link
Collaborator

Merge started

Your change will be merged while ignoring the following 4 checks: inductor / inductor-test / test (inductor_torchbench, 2, 2, linux.g5.4xlarge.nvidia.gpu), trunk / macos-py3-arm64 / test (default, 2, 3, macos-m1-stable), trunk / macos-py3-arm64 / test (default, 1, 3, macos-m1-stable), trunk / macos-py3-arm64 / test (default, 3, 3, macos-m1-stable)

Learn more about merging in the wiki.

Questions? Feedback? Please reach out to the PyTorch DevX Team

Advanced Debugging
Check the merge workflow status
here

@huydhn
Copy link
Contributor

huydhn commented Oct 10, 2025

@pytorchbot revert -m 'Sorry for reverting your PR but there seems to be some failed vLLM failures coming out of this' -c nosignal

GH job link HUD commit link

I'm not sure if the failure is related, so let's revert this first to see if it fixes trunk. I will monitor and reland this if trunk remain broken

@pytorchmergebot
Copy link
Collaborator

@pytorchbot successfully started a revert job. Check the current status here.
Questions? Feedback? Please reach out to the PyTorch DevX Team

@pytorchmergebot
Copy link
Collaborator

@shunting314 your PR has been successfully reverted.

pytorchmergebot added a commit that referenced this pull request Oct 10, 2025
…s affect inductor (#164905)"

This reverts commit 344e636.

Reverted #164905 on behalf of https://github.com/huydhn due to Sorry for reverting your PR but there seems to be some failed vLLM failures coming out of this ([comment](#164905 (comment)))
@pytorchmergebot pytorchmergebot added Reverted ci-no-td Do not run TD on this PR labels Oct 10, 2025
@shunting314
Copy link
Contributor Author

@huydhn any label I can add to run those vllm tests in CI before landing the PR?

…thms affect inductor"


Previously when torch.are_deterministic_algorithms_enabled() is True Inductor will
- skip autotuning pointwise kernels
- pick a fixed (and quite arbitrary) config for reduction

This PR change the behavior to
- for pointwise kernels, we still do autotuning
- for reduction kernels, we use the recent added heuristic to pick a config 



cc voznesenskym penguinwu EikanWang jgong5 Guobing-Chen XiaobingSuper zhuhaozhe blzheng wenzhe-nrv jiayisunx ipiszy chenyang78 kadeng muchulee8 amjames chauhang aakhundov coconutruben

[ghstack-poisoned]
shunting314 added a commit that referenced this pull request Oct 10, 2025
… inductor

ghstack-source-id: 6823b8e
Pull Request resolved: #164905
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment