Separate TLS for InferenceMode (#55238)#55424
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ailzhang wants to merge 1 commit intopytorch:masterfrom
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Separate TLS for InferenceMode (#55238)#55424ailzhang wants to merge 1 commit intopytorch:masterfrom
ailzhang wants to merge 1 commit intopytorch:masterfrom
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Summary: Pull Request resolved: pytorch#55238 I tried to avoid creating new TLS, but InferenceMode::is_enabeld() is in perf critical path (TensorImpl constructor) so it seems worth adding one for it. This PR reduces one sources of instruction count increased by pytorch#55008. ``` λ ~ python compare.py <torch.utils.benchmark.utils.valgrind_wrapper.timer_interface.FunctionCounts object at 0x7f59097ef310> 100 0x0000000004854750 -100 0x0000000004854760 -4400 c10::impl::tls_is_dispatch_key_included(...) ``` Test Plan: Imported from OSS Reviewed By: ezyang Differential Revision: D27539230 Pulled By: ailzhang fbshipit-source-id: 54b0c141d59ac569a154a036b284001fca9fc560
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💊 CI failures summary and remediationsAs of commit 6dd97c1 (more details on the Dr. CI page):
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This pull request was exported from Phabricator. Differential Revision: D27539230 |
Codecov Report
@@ Coverage Diff @@
## master #55424 +/- ##
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Coverage 77.42% 77.42%
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Files 1895 1895
Lines 187462 187470 +8
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+ Hits 145143 145152 +9
+ Misses 42319 42318 -1 |
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This was referenced Apr 7, 2021
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Summary:
Pull Request resolved: #55238
I tried to avoid creating new TLS, but InferenceMode::is_enabeld()
is in perf critical path (TensorImpl constructor) so it seems
worth adding one for it.
This PR reduces one sources of instruction count increased by
#55008.
Test Plan: Imported from OSS
Reviewed By: ezyang
Differential Revision: D27539230
Pulled By: ailzhang