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users reporting poor sm/vader bandwidth for 2.0.0 when openib BTL active #1943

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hppritcha opened this issue Aug 5, 2016 · 2 comments
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users reporting poor sm/vader bandwidth for 2.0.0 when openib BTL active #1943

hppritcha opened this issue Aug 5, 2016 · 2 comments
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bug
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v2.0.1

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@hppritcha
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Several users have reported poor bandwidth for larger messages (osu_bw) for sm/vader BTLs' using the 2.0.0 release when the openib BTL is active.

See
https://mail-archive.com/devel@lists.open-mpi.org/msg00024.html

I think this should be investigated prior to 2.0.1 release.
@hppritcha hppritcha added the bug label Aug 5, 2016
@hppritcha hppritcha added this to the v2.0.1 milestone Aug 5, 2016
@jsquyres
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jsquyres commented Aug 5, 2016

@hppritcha @hjelmn Is this related to open-mpi/ompi-release#1287 ("Fix performance regression caused by enabling opal thread support")?

@jsquyres
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Fixed in open-mpi/ompi-release#1315.

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