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Set OMP_NUM_THREADS=1 for cmssw runtime #109

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merged 1 commit into from
May 27, 2024
Merged

Set OMP_NUM_THREADS=1 for cmssw runtime #109

merged 1 commit into from
May 27, 2024

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smuzaffar
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@smuzaffar smuzaffar merged commit 6267958 into scramv3 May 27, 2024
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A new Pull Request was created by @smuzaffar for branch scramv3.

@cmsbuild, @smuzaffar, @aandvalenzuela, @iarspider can you please review it and eventually sign? Thanks.
@sextonkennedy, @antoniovilela, @rappoccio you are the release manager for this.
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cms-bot internal usage

@fwyzard
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fwyzard commented May 27, 2024

I'm not sure this is what we should do as a general setting.

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fwyzard commented May 27, 2024

A trivial example of what could go wrong:

$ nproc
512

$ export OMP_NUM_THREADS=1

$ nproc
1

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ah did not realize that it also change the behavior of nproc

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@smuzaffar @cmsbuild @fwyzard