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common/ugni: help out knl with aries #1283
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The way the gni btl is currently coded, it will run completely out of gas on KNL at 123 processes/node. Since there are bound to be those who try to run a MPI process/hyperthread on KNL nodes, the fma sharing mode needs to be requested. Signed-off-by: Howard Pritchard <howardp@lanl.gov> (cherry picked from commit open-mpi/ompi@8b53487)
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Test PASSed. |
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@hjelmn please review. |
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@hjelmn Gave a verbal 👍 on the webex today. |
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The way the gni btl is currently coded,
it will run completely out of gas on KNL at
123 processes/node. Since there are bound to be
those who try to run a MPI process/hyperthread
on KNL nodes, the fma sharing mode needs to be requested.
@hjelmn
Signed-off-by: Howard Pritchard howardp@lanl.gov
(cherry picked from commit open-mpi/ompi@8b53487)