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[Fix] Make autocast compatible with mps #587

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merged 5 commits into from Oct 18, 2022

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HAOCHENYE
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Thanks for your contribution and we appreciate it a lot. The following instructions would make your pull request more healthy and more easily get feedback. If you do not understand some items, don't worry, just make the pull request and seek help from maintainers.

Motivation

Make autocast compatible with MPS #566

Modification

Please briefly describe what modification is made in this PR.

BC-breaking (Optional)

Does the modification introduce changes that break the backward-compatibility of the downstream repos?
If so, please describe how it breaks the compatibility and how the downstream projects should modify their code to keep compatibility with this PR.

Use cases (Optional)

If this PR introduces a new feature, it is better to list some use cases here, and update the documentation.

Checklist

  1. Pre-commit or other linting tools are used to fix the potential lint issues.
  2. The modification is covered by complete unit tests. If not, please add more unit test to ensure the correctness.
  3. If the modification has potential influence on downstream projects, this PR should be tested with downstream projects, like MMDet or MMCls.
  4. The documentation has been modified accordingly, like docstring or example tutorials.

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codecov bot commented Oct 8, 2022

Codecov Report

Base: 78.07% // Head: 78.03% // Decreases project coverage by -0.04% ⚠️

Coverage data is based on head (646af69) compared to base (a5eb179).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files
@@            Coverage Diff             @@
##             main     #587      +/-   ##
==========================================
- Coverage   78.07%   78.03%   -0.05%     
==========================================
  Files         125      125              
  Lines        8991     8996       +5     
  Branches     1788     1790       +2     
==========================================
  Hits         7020     7020              
- Misses       1659     1664       +5     
  Partials      312      312              
Flag Coverage Δ
unittests 78.03% <0.00%> (-0.05%) ⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files Coverage Δ
mmengine/runner/amp.py 35.71% <0.00%> (-4.83%) ⬇️

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@ZwwWayne
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ZwwWayne commented Oct 8, 2022

CI failed, seems that we should skip testing of autocast on CPU mode?

@ZwwWayne ZwwWayne added this to the 0.3.0 milestone Oct 8, 2022
@zhouzaida zhouzaida added the MPS label Oct 12, 2022
@ZwwWayne ZwwWayne merged commit abe5665 into open-mmlab:main Oct 18, 2022
C1rN09 pushed a commit to C1rN09/mmengine that referenced this pull request Nov 1, 2022
* [Fix] Make autocast compatible with mps

* Enhance unit test

* fix unit test

* clean the code

* fix unit test
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4 participants