- default: naive one, by default
- ompi: use openmpi selector for the alltoall operations
- default: naive one, by default
- ompi: use openmpi selector for the alltoall operations
our implementation was not robust enough to be used in production, so
it was removed at some point. Currently, SMPI comes with two
privatization mechanisms that you can :ref:`select at runtime
our implementation was not robust enough to be used in production, so
it was removed at some point. Currently, SMPI comes with two
privatization mechanisms that you can :ref:`select at runtime
default as it is much faster and still very robust. The mmap approach
is an older approach that proves to be slower.
default as it is much faster and still very robust. The mmap approach
is an older approach that proves to be slower.