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Re: openmp support


I've tried a small test using the parallel for openmp pragma. The test
compiles but the performance looks similar to a serial version. Also, the
compiler complains when I use omp_set_num_threads and omp_get_num_threads.

Is there a flag I need to use when compiling?



Tom

On Thu, 1 Jun 2006, Tim Prince wrote:

> Thomas Yeh wrote:
> > Hi All,
> >
> >   According to the gcc news, gcc 4.X seems to support openMP. Can anyone
> > point me to the libraries I need for both tru64 linux and x86 linux?
> >
>
> Maybe I don't understand your question.  Inclusion of OpenMP in gcc-4.1
> isn't going to affect gcc-4.0.  Unless someone has tested gcc 4.1 on
> tru64, that part of the question seems moot.
> On linux (32 bit?), reading the gcc build instructions should give you
> some clue about library updates which may be required on top of a
> reasonably current distro with gcc development components installed.
> For example, gmp with mpfr enabled would be needed for a full
> installation of gcc-4.1.  That might be there already if your distro
> includes gcc-4.0.
>


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