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Subject: Re: [OMPI devel] RFC: remove opal progress recursion depth counter
From: Ralph Castain (rhc_at_[hidden])
Date: 2013-12-18 18:32:36


Ummmm....1.7.4 is leaving the station on Fri, Nathan, so next Tues => will have to go into 1.7.5

On Dec 18, 2013, at 3:23 PM, Nathan Hjelm <hjelmn_at_[hidden]> wrote:

> What: Remove the opal_progress_recursion_depth_counter from
> opal_progress.
>
> Why: This counter adds two atomic adds to the critical path when
> OPAL_HAVE_THREADS is set (which is the case for most builds). I grepped
> through ompi, orte, and opal to find where this value was being used and
> did not find anything either inside or outside opal_progress.
>
> When: I want this change to go into 1.7.4 (if possible) so setting a
> quick timeout for next Tuesday.
>
> Let me know if there is a good reason to keep this counter and it will
> be spared.
>
> -Nathan Hjelm
> HPC-5, LANL
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