btl/ugni: fix very poor aries bw problem #1016
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The handling of RDMA get alignment in ugni BTL for Aries (cray xc) was wrong, resulting in very poor bandwidth for ugni BTL on aries. Verified using osu_bw now gives sensible bandwidth on Aries. Fixes open-mpi#1005 Signed-off-by: Howard Pritchard <howardp@lanl.gov>
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btl/ugni: fix very poor aries bw problem
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Merge pull request open-mpi#1436 from rhc54/topic/names
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The specification of RDMA get alignment for Aries
(cray xc) was wrong, resulting in very poor bandwidth
for ugni BTL on aries.
Verified using osu_bw now gives sensible bandwidth on
Aries.
Fixes #1005
@hjelmn please review asap.
Signed-off-by: Howard Pritchard howardp@lanl.gov