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[PyTorch] Fix autocast deprecation warnings #1277

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@yaox12 yaox12 commented Oct 21, 2024

Description

Fix autocast deprecation warnings.

Starting from PyTorch 2.4, use

torch.get_autocast_dtype("cuda")
torch.amp.autocast("cuda")

instead of device-specific APIs.

Closes #1167.

Type of change

  • Documentation change (change only to the documentation, either a fix or a new content)
  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to not work as expected)
  • Infra/Build change
  • Code refractor

Checklist:

  • I have read and followed the contributing guidelines
  • The functionality is complete
  • I have commented my code, particularly in hard-to-understand areas
  • I have made corresponding changes to the documentation
  • My changes generate no new warnings
  • I have added tests that prove my fix is effective or that my feature works
  • New and existing unit tests pass locally with my changes

@yaox12 yaox12 requested review from timmoon10 and ksivaman October 21, 2024 02:56
@yaox12 yaox12 force-pushed the xiny/fix_autocast_warning branch 2 times, most recently from 1420ea6 to 0987833 Compare October 21, 2024 03:01
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yaox12 commented Oct 21, 2024

/te-ci pytorch

@yaox12 yaox12 changed the title [PyTorch] Fix autocast deprecation warning [PyTorch] Fix autocast deprecation warnings Oct 21, 2024
@yaox12 yaox12 force-pushed the xiny/fix_autocast_warning branch from 35d7a31 to a2212c0 Compare October 21, 2024 03:54
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yaox12 commented Oct 21, 2024

/te-ci pytorch

@yaox12 yaox12 force-pushed the xiny/fix_autocast_warning branch from 35ca876 to 39a9fe6 Compare October 23, 2024 03:39
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yaox12 commented Oct 23, 2024

/te-ci pytorch

@yaox12 yaox12 requested a review from ksivaman October 24, 2024 05:49
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yaox12 commented Nov 4, 2024

/te-ci pytorch

"""Get PyTorch autocast GPU dtype."""
TORCH_MAJOR = int(torch.__version__.split(".")[0])
TORCH_MINOR = int(torch.__version__.split(".")[1])
if TORCH_MAJOR == 2 and TORCH_MINOR >= 4:
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Could we do a simpler >= "2.4" similar to the one currently in jit.py. This method isn't future proof and will break for 3+

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I'm good with it.
Furthermore, since we now have packaging as a dependency, how about using packaging.version for a more robust version comparison?

@yaox12 yaox12 force-pushed the xiny/fix_autocast_warning branch from f43bdad to 6ba412f Compare November 5, 2024 02:17
Signed-off-by: Xin Yao <[email protected]>
@yaox12 yaox12 force-pushed the xiny/fix_autocast_warning branch from 6ba412f to 30f8cae Compare November 5, 2024 02:26
TORCH_MAJOR = int(torch.__version__.split(".")[0])
TORCH_MINOR = int(torch.__version__.split(".")[1])
use_nvfuser = TORCH_MAJOR > 1 or (TORCH_MAJOR == 1 and TORCH_MINOR >= 10)
use_nvfuser = is_torch_min_version("1.10.0a0") and not is_torch_min_version("2.2.0a0")
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We stop using nvfuser starting from torch 2.2, so I think this update is needed. Tell me if you have other concerns.

@yaox12 yaox12 requested a review from ksivaman November 12, 2024 07:34
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yaox12 commented Nov 18, 2024

@ksivaman Can you review again?

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yaox12 commented Dec 13, 2024

Does this look good to you? @ksivaman

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2 participants