re: openmp support?
re: openmp support?
- Subject: re: openmp support?
- From: George Warner <email@hidden>
- Date: Thu, 22 May 2008 11:22:23 -0700
- Thread-topic: openmp support?
On Thu, 22 May 2008 08:41:01 -0400, Army Research Lab <email@hidden>
wrote:
> I'm sitting at a Tiger machine right now, so I can't check this on
> Leopard...
>
> Does Leopard support OpenMP ( http://openmp.org/wp/ )?
IIRC we added built-in OpenMP support in 10.4; it was available from 3rd
parties prior to 10.4. See:
<http://developer.apple.com/hardwaredrivers/hpc/mpionmacosx.html>.
> I'd like to compare how it behaves compared to pthreads...
This really depends on the problem you are trying to solve... FYI: OpenMP is
built on pthreads so I don't think you'll see better thread performance but
you might see better IPC and/or signaling. Overall I think that it's there
for compatibility more than anything else (YOMV ;-).
--
Enjoy,
George Warner,
Schizophrenic Optimization Scientist
Apple Developer Technical Support (DTS)
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