149 строки
6.1 KiB
C
149 строки
6.1 KiB
C
/*
|
|
* Copyright (c) 2006 The Trustees of Indiana University and Indiana
|
|
* University Research and Technology
|
|
* Corporation. All rights reserved.
|
|
* Copyright (c) 2006 The Technical University of Chemnitz. All
|
|
* rights reserved.
|
|
* Copyright (c) 2014 Research Organization for Information Science
|
|
* and Technology (RIST). All rights reserved.
|
|
*
|
|
* Author(s): Torsten Hoefler <htor@cs.indiana.edu>
|
|
*
|
|
*/
|
|
#include "nbc_internal.h"
|
|
|
|
/* an alltoallv schedule can not be cached easily because the contents
|
|
* ot the recvcounts array may change, so a comparison of the address
|
|
* would not be sufficient ... we simply do not cache it */
|
|
|
|
/* simple linear Alltoallv */
|
|
int ompi_coll_libnbc_ialltoallv(void* sendbuf, int *sendcounts, int *sdispls,
|
|
MPI_Datatype sendtype, void* recvbuf, int *recvcounts, int *rdispls,
|
|
MPI_Datatype recvtype, struct ompi_communicator_t *comm, ompi_request_t ** request,
|
|
struct mca_coll_base_module_2_1_0_t *module)
|
|
{
|
|
int rank, p, res, i;
|
|
MPI_Aint sndext, rcvext;
|
|
NBC_Schedule *schedule;
|
|
char *rbuf, *sbuf, inplace;
|
|
NBC_Handle *handle;
|
|
ompi_coll_libnbc_request_t **coll_req = (ompi_coll_libnbc_request_t**) request;
|
|
ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;
|
|
|
|
NBC_IN_PLACE(sendbuf, recvbuf, inplace);
|
|
|
|
res = NBC_Init_handle(comm, coll_req, libnbc_module);
|
|
if(res != NBC_OK) { printf("Error in NBC_Init_handle(%i)\n", res); return res; }
|
|
handle = (*coll_req);
|
|
res = MPI_Comm_rank(comm, &rank);
|
|
if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_rank() (%i)\n", res); return res; }
|
|
res= MPI_Comm_size(comm, &p);
|
|
if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_size() (%i)\n", res); return res; }
|
|
res = MPI_Type_extent(sendtype, &sndext);
|
|
if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Type_extent() (%i)\n", res); return res; }
|
|
res = MPI_Type_extent(recvtype, &rcvext);
|
|
if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Type_extent() (%i)\n", res); return res; }
|
|
|
|
schedule = (NBC_Schedule*)malloc(sizeof(NBC_Schedule));
|
|
if (NULL == schedule) { printf("Error in malloc() (%i)\n", res); return res; }
|
|
|
|
handle->tmpbuf=NULL;
|
|
|
|
res = NBC_Sched_create(schedule);
|
|
if(res != NBC_OK) { printf("Error in NBC_Sched_create (%i)\n", res); return res; }
|
|
|
|
/* copy data to receivbuffer */
|
|
if((sendcounts[rank] != 0) && !inplace) {
|
|
rbuf = ((char *) recvbuf) + (rdispls[rank] * rcvext);
|
|
sbuf = ((char *) sendbuf) + (sdispls[rank] * sndext);
|
|
res = NBC_Copy(sbuf, sendcounts[rank], sendtype, rbuf, recvcounts[rank], recvtype, comm);
|
|
if (NBC_OK != res) { printf("Error in NBC_Copy() (%i)\n", res); return res; }
|
|
}
|
|
|
|
for (i = 0; i < p; i++) {
|
|
if (i == rank) { continue; }
|
|
/* post all sends */
|
|
if(sendcounts[i] != 0) {
|
|
sbuf = ((char *) sendbuf) + (sdispls[i] * sndext);
|
|
res = NBC_Sched_send(sbuf, false, sendcounts[i], sendtype, i, schedule);
|
|
if (NBC_OK != res) { printf("Error in NBC_Sched_send() (%i)\n", res); return res; }
|
|
}
|
|
/* post all receives */
|
|
if(recvcounts[i] != 0) {
|
|
rbuf = ((char *) recvbuf) + (rdispls[i] * rcvext);
|
|
res = NBC_Sched_recv(rbuf, false, recvcounts[i], recvtype, i, schedule);
|
|
if (NBC_OK != res) { printf("Error in NBC_Sched_recv() (%i)\n", res); return res; }
|
|
}
|
|
}
|
|
|
|
/*NBC_PRINT_SCHED(*schedule);*/
|
|
|
|
res = NBC_Sched_commit(schedule);
|
|
if (NBC_OK != res) { printf("Error in NBC_Sched_commit() (%i)\n", res); return res; }
|
|
|
|
res = NBC_Start(handle, schedule);
|
|
if (NBC_OK != res) { printf("Error in NBC_Start() (%i)\n", res); return res; }
|
|
|
|
return NBC_OK;
|
|
}
|
|
|
|
/* simple linear Alltoallv */
|
|
int ompi_coll_libnbc_ialltoallv_inter (void* sendbuf, int *sendcounts, int *sdispls,
|
|
MPI_Datatype sendtype, void* recvbuf, int *recvcounts, int *rdispls,
|
|
MPI_Datatype recvtype, struct ompi_communicator_t *comm, ompi_request_t ** request,
|
|
struct mca_coll_base_module_2_1_0_t *module)
|
|
{
|
|
int rank, res, i, rsize;
|
|
MPI_Aint sndext, rcvext;
|
|
NBC_Schedule *schedule;
|
|
char *rbuf, *sbuf;
|
|
NBC_Handle *handle;
|
|
ompi_coll_libnbc_request_t **coll_req = (ompi_coll_libnbc_request_t**) request;
|
|
ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;
|
|
|
|
res = NBC_Init_handle(comm, coll_req, libnbc_module);
|
|
if(res != NBC_OK) { printf("Error in NBC_Init_handle(%i)\n", res); return res; }
|
|
handle = (*coll_req);
|
|
res = MPI_Comm_rank(comm, &rank);
|
|
if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_rank() (%i)\n", res); return res; }
|
|
res = MPI_Type_extent(sendtype, &sndext);
|
|
if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Type_extent() (%i)\n", res); return res; }
|
|
res = MPI_Type_extent(recvtype, &rcvext);
|
|
if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Type_extent() (%i)\n", res); return res; }
|
|
|
|
MPI_Comm_remote_size (comm, &rsize);
|
|
|
|
schedule = (NBC_Schedule*)malloc(sizeof(NBC_Schedule));
|
|
if (NULL == schedule) { printf("Error in malloc() (%i)\n", res); return res; }
|
|
|
|
handle->tmpbuf=NULL;
|
|
|
|
res = NBC_Sched_create(schedule);
|
|
if(res != NBC_OK) { printf("Error in NBC_Sched_create (%i)\n", res); return res; }
|
|
|
|
for (i = 0; i < rsize; i++) {
|
|
/* post all sends */
|
|
if(sendcounts[i] != 0) {
|
|
sbuf = ((char *) sendbuf) + (sdispls[i] * sndext);
|
|
res = NBC_Sched_send(sbuf, false, sendcounts[i], sendtype, i, schedule);
|
|
if (NBC_OK != res) { printf("Error in NBC_Sched_send() (%i)\n", res); return res; }
|
|
}
|
|
/* post all receives */
|
|
if(recvcounts[i] != 0) {
|
|
rbuf = ((char *) recvbuf) + (rdispls[i] * rcvext);
|
|
res = NBC_Sched_recv(rbuf, false, recvcounts[i], recvtype, i, schedule);
|
|
if (NBC_OK != res) { printf("Error in NBC_Sched_recv() (%i)\n", res); return res; }
|
|
}
|
|
}
|
|
|
|
/*NBC_PRINT_SCHED(*schedule);*/
|
|
|
|
res = NBC_Sched_commit(schedule);
|
|
if (NBC_OK != res) { printf("Error in NBC_Sched_commit() (%i)\n", res); return res; }
|
|
|
|
res = NBC_Start(handle, schedule);
|
|
if (NBC_OK != res) { printf("Error in NBC_Start() (%i)\n", res); return res; }
|
|
|
|
return NBC_OK;
|
|
}
|