uct/ugni: fix internal locking #2436
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There is no requirement in ugni to serialize on the actual device. Serialization must occur on the virtual device (CDM). This commit fixes the locking and greatly improves multi-threaded performance. Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov> (cherry picked from commit fed3fc5) Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>
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There is no requirement in ugni to serialize on the actual
device. Serialization must occur on the virtual device (CDM). This
commit fixes the locking and greatly improves multi-threaded
performance.
Signed-off-by: Nathan Hjelm hjelmn@lanl.gov
(cherry picked from commit fed3fc5)
Signed-off-by: Nathan Hjelm hjelmn@lanl.gov