> A lot of people (including myself) are still skeptical that it's even
> a good idea. I personally think that the complexity involved in
> creating MPISMP software outweighs any potential gains. MPI software
> is hard to write... and so is SMP.... put the two together and you are
> just asking for trouble.
I totally disagree, it's all a matter of making it simple. Of course, if
you write threads code using calls to pthread_create & friends, then it's
a pain, but if you can write
Thread thread_id;
thread_id = spawn matrix.vec_mult (v);
// do something else
Vector w = thread_id.return_value();
or something similar to run the matrix-vector multiplication on a separate
thread, then it's a separate matter. This is by and large the syntax we
have in deal.II.
Best
W.
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www: http://www.math.tamu.edu/~bangerth/
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