[mvapich-discuss] thread safety

[Scott Brozell]

Hi,

How about MVAPICH2 1.2 ?

thanks,
Scott

On Wed, Sep 23, 2009 at 10:27:57PM -0400, Dhabaleswar Panda wrote:
> >
> > Which versions of mvapich are thread safe ?
> >
> > http://mvapich.cse.ohio-state.edu/support/user_guide_mvapich2-1.4rc2.html
> > "1.4 provides support and optimizations for other MPI-2 features, multi-threading"
> > Does that mean thread safe ?
> 
> Yes. MVAPICH2 1.4 is based on MPICH2 1.0.8p1. You should be using
> MPI_THREAD_MULTIPLE feature.
> 
> Thanks,
> 
> DK
> 
> > MPICH2 supports thread safety:
> > www.mcs.anl.gov/~thakur/papers/mpi-threads.pdf
> > "In the next release, 1.0.4, the default build of the ch3:sock channel will support thread safety,
> > but thread safety will be enabled only if the user calls MPI Init thread with
> > MPI THREAD MULTIPLE."
> > Does mvapich use the same thread safety mechanism ?
> >
> > thanks,
> > Scott
> >
> > Scott Brozell, Ph.D.
> > Senior Systems Developer/Engineer
> > Science and Technology Support
> > Ohio Supercomputer Center
> >
> > _______________________________________________
> > mvapich-discuss mailing list
> > mvapich-discuss at cse.ohio-state.edu
> > http://mail.cse.ohio-state.edu/mailman/listinfo/mvapich-discuss
> >
> 

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