Avoid race condition in creating checkpoint directories #530
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In multi-GPU training, several processes run the code that creates checkpoint dirs. This fix avoids a probably rare situation (but it happened to me) where another process created a dir between the `exists` check and the `makedirs` call.
Borda
requested changes
Nov 20, 2019
Borda
approved these changes
Nov 21, 2019
neggert
approved these changes
Nov 21, 2019
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In multi-GPU training, several processes run the code that creates checkpoint dirs. This fix avoids a probably rare situation (but it happened to me) where another process created a dir between the
existscheck and themakedirscall.What does this PR do?
Fixes #529.
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