alltoallv-bruck.c File Reference

#include "colls_private.h"

Functions
int	smpi_coll_tuned_alltoallv_bruck (void *sendbuf, int *sendcounts, int *senddisps, MPI_Datatype sendtype, void *recvbuf, int *recvcounts, int *recvdisps, MPI_Datatype recvtype, MPI_Comm comm)
	Alltoall Bruck. More...

Function Documentation

smpi_coll_tuned_alltoallv_bruck()

int smpi_coll_tuned_alltoallv_bruck	(	void *	sendbuf,
		int *	sendcounts,
		int *	senddisps,
		MPI_Datatype	sendtype,
		void *	recvbuf,
		int *	recvcounts,
		int *	recvdisps,
		MPI_Datatype	recvtype,
		MPI_Comm	comm
	)

Alltoall Bruck.

Openmpi calls this routine when the message size sent to each rank < 2000 bytes and size < 12 FIXME: uh, check smpi_pmpi again, but this routine is called for > 12, not less...