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opal_progress: check timer only once per 8 calls #4697

Merged
merged 1 commit into from
Jan 17, 2018
Merged

opal_progress: check timer only once per 8 calls #4697

merged 1 commit into from
Jan 17, 2018

Commits on Jan 16, 2018

  1. opal_progress: check timer only once per 8 calls 

    Reading the system clock on every call to opal_progress() is an
expensive operation on most architectures, and it can negatively affect
the performance, for example of message rate benchmarks.

We change opal_progress() to read the clock once per 8 calls, unless
there are active users of the event mechanism.

Signed-off-by: Yossi Itigin <[email protected]>
    @yosefe
    yosefe committed Jan 16, 2018
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