Peter Wong wrote:
> Open MPI defines its own malloc (by default), so malloc of glibc
> is not called.
> But, without calling malloc of glibc, the allocator of libhugetlbfs
> to back text and dynamic data by large pages, e.g., 16MB pages on
> POWER systems, is not used.
You could modify ptmalloc2 in OpenMPI to allocate Huge Pages directly.
It would be a nice feature.