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[opendx-dev] Re: dxexec: 20% perf speedup
I would definetly be willing to commit something as long as I can
verify it on a few systems first.
David
>Randall Hopper:
> | From profiling dxexec, I've found that 20-25% of it's time in the
> |single-process case is spent locking and unlocking mutex locks (on SGI).
> |AFAICT these locks add unnecessary, avoidable overhead to the
> |single-process case.
> |
> | I can cook a patch so that mutex locks are only used in dxexec when
> |"nprocs > 1". But before I do, I'd like to find out whether the DX
> |committers would be willing to commit this patch.
>
>Perhaps worth mentioning that I already have a patch and the 20-25% savings
>is real savings, not estimated from prof numbers. However the patch needs
>refined to be ready for a commit.
>
>--
>Randall Hopper
>aa8vb@yahoo.com
--
.............................................................................
David L. Thompson The University of Montana
mailto:dthompsn@cs.umt.edu Computer Science Department
http://www.cs.umt.edu/u/dthompsn Missoula, MT 59812
Work Phone : (406)257-8530