[petsc-users] multi-threaded assembly

Jed Brown jed at jedbrown.org
Tue Jun 24 09:00:01 CDT 2014

Wen Jiang <jiangwen84 at gmail.com> writes:

> Thanks for this information. Could you tell me an efficient way to do this
> in PETSc? I am planning to use at least 32 threads and need to minimize the
> synchronization overhead Any suggestions?

You're probably better off using more MPI processes.  Perhaps
surprisingly given the hype, pure MPI remains the fastest option in many
cases.  And always profile the simplest method.
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