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Fixed deadlock issue #18

Merged
merged 1 commit into from
Jun 26, 2018
Merged

Fixed deadlock issue #18

merged 1 commit into from
Jun 26, 2018

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rotabulo
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This fixes an issue in flat_dist_call, which leads to a deadlock of processes. The issue is due to processes cycling over tensor types in different orders and calling non matching collective operations in the body of the cycle.

@csarofeen
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I'm surprised I haven't hit this deadlock, wonder if different Python versions are more sensitive than others.

Thanks for the contribution!

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2 participants