[petsc-users] petsc4py and numpy

[Aron Ahmadia]

>
> Thanks for the hint. I was wondering whether I should start with a working
> prototype based on numpy, then do parallelization with PETSc on demand - or
> start with PETSc wherever matrices and vectors are needed.
>

You need to write parallel code in a Single Program Multiple Data fashion
if you want it to scale well to hundreds or thousands of processors.  This
is the best model supported by mpi4py and petsc4py.

A
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