X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9ad959d48fa6a513def7651fbcc70f50ad0f0c04..c73f2fe7c4b3dc6deeae12389ae22387928f0872:/src/smpi/smpi_base.c diff --git a/src/smpi/smpi_base.c b/src/smpi/smpi_base.c index f64a3d9f53..a48592d841 100644 --- a/src/smpi/smpi_base.c +++ b/src/smpi/smpi_base.c @@ -48,8 +48,9 @@ MPI_Request smpi_mpi_isend(void* buf, int count, MPI_Datatype datatype, int dst, request->tag = tag; request->size = smpi_datatype_size(datatype) * count; request->complete = 0; + request->data = request; smpi_process_post_send(comm, request); - request->pair = SIMIX_network_isend(request->rdv, request->size, -1.0, buf, request->size, request); + request->pair = SIMIX_network_isend(request->rdv, request->size, -1.0, buf, request->size, NULL); return request; } @@ -63,6 +64,7 @@ MPI_Request smpi_mpi_irecv(void* buf, int count, MPI_Datatype datatype, int src, request->tag = tag; request->size = smpi_datatype_size(datatype) * count; request->complete = 0; + request->data = MPI_REQUEST_NULL; smpi_process_post_recv(request); request->pair = SIMIX_network_irecv(request->rdv, buf, &request->size); return request; @@ -96,13 +98,15 @@ void smpi_mpi_sendrecv(void* sendbuf, int sendcount, MPI_Datatype sendtype, int } static void finish_wait(MPI_Request* request, MPI_Status* status) { - MPI_Request data = (MPI_Request)SIMIX_communication_get_data((*request)->pair); + MPI_Request data = (*request)->data; xbt_assert0(data != MPI_REQUEST_NULL, "Erroneous situation"); if(status != MPI_STATUS_IGNORE) { status->MPI_SOURCE = (*request)->src; status->MPI_TAG = (*request)->tag; status->MPI_ERROR = MPI_SUCCESS; + status->_count = (*request)->size; // size in bytes + status->_cancelled = 0; // FIXME: cancellation of requests not handled yet } DEBUG3("finishing wait for %p [data = %p, complete = %d]", *request, data, data->complete); // data == *request if sender is first to finish its wait @@ -120,16 +124,18 @@ static void finish_wait(MPI_Request* request, MPI_Status* status) { // receiver cleans everything xbt_free(data); } + SIMIX_rdv_destroy((*request)->rdv); xbt_free(*request); } *request = MPI_REQUEST_NULL; } int smpi_mpi_test(MPI_Request* request, MPI_Status* status) { - MPI_Request data = (MPI_Request)SIMIX_communication_get_data((*request)->pair); + MPI_Request data = (*request)->data; int flag = data && data->complete == 1; if(flag) { + SIMIX_communication_destroy((*request)->pair); finish_wait(request, status); } return flag; @@ -143,8 +149,9 @@ int smpi_mpi_testany(int count, MPI_Request requests[], int* index, MPI_Status* flag = 0; for(i = 0; i < count; i++) { if(requests[i] != MPI_REQUEST_NULL) { - data = (MPI_Request)SIMIX_communication_get_data(requests[i]->pair); + data = requests[i]->data; if(data != MPI_REQUEST_NULL && data->complete == 1) { + SIMIX_communication_destroy(requests[i]->pair); finish_wait(&requests[i], status); *index = i; flag = 1; @@ -155,8 +162,17 @@ int smpi_mpi_testany(int count, MPI_Request requests[], int* index, MPI_Status* return flag; } + +void smpi_mpi_get_count(MPI_Status *status, MPI_Datatype datatype, int *count) { + int size = smpi_datatype_size(datatype); + *count = (int)(status->_count / size); + if ( (int)((*count) * size) != status->_count ) + *count = MPI_UNDEFINED; +} + + void smpi_mpi_wait(MPI_Request* request, MPI_Status* status) { - MPI_Request data = (MPI_Request)SIMIX_communication_get_data((*request)->pair); + MPI_Request data = (*request)->data; DEBUG6("wait for request %p (%p: %p) [src = %d, dst = %d, tag = %d]", *request, (*request)->pair, data, (*request)->src, (*request)->dst, (*request)->tag); @@ -180,7 +196,7 @@ int smpi_mpi_waitany(int count, MPI_Request requests[], MPI_Status* status) { // First check for already completed requests for(i = 0; i < count; i++) { if(requests[i] != MPI_REQUEST_NULL) { - data = (MPI_Request)SIMIX_communication_get_data(requests[i]->pair); + data = requests[i]->data; if(data != MPI_REQUEST_NULL && data->complete == 1) { index = i; SIMIX_communication_destroy(requests[index]->pair); // always succeeds (but cleans the simix layer) @@ -241,10 +257,11 @@ int smpi_mpi_waitsome(int incount, MPI_Request requests[], int* indices, MPI_Sta int i, count; count = 0; - for(i = 0; i < count; i++) { + for(i = 0; i < incount; i++) { if(requests[i] != MPI_REQUEST_NULL) { - data = (MPI_Request)SIMIX_communication_get_data(requests[i]->pair); + data = requests[i]->data; if(data != MPI_REQUEST_NULL && data->complete == 1) { + SIMIX_communication_destroy(requests[i]->pair); finish_wait(&requests[i], status != MPI_STATUS_IGNORE ? &status[i] : MPI_STATUS_IGNORE); indices[count] = i; count++;