xbt_free(tmpbufs[index]);
/* FIXME: with the following line, it generates an
* [xbt_ex/CRITICAL] Conditional list not empty 162518800.
+ * Fixed ?
*/
- // xbt_mallocator_release(smpi_global->request_mallocator, requests[index]);
+ xbt_mallocator_release(smpi_global->request_mallocator, requests[index]);
}
xbt_free(requests);
xbt_free(tmpbufs);
int retval = MPI_SUCCESS;
int rank;
+ smpi_bench_end();
rank = smpi_mpi_comm_rank(comm);
DEBUG1("<%d> basic alltoallv() called.",rank);
retval = smpi_coll_basic_alltoallv(sendbuf, scounts, sdisps, datatype,
recvbuf, rcounts, rdisps, recvtype,
comm);
-
+ smpi_bench_begin();
return retval;
}
double SMPI_MPI_Wtime(void)
{
- return (SIMIX_get_clock());
+ double time;
+
+ smpi_bench_end();
+ time = SIMIX_get_clock();
+ smpi_bench_begin();
+ return time;
}
+int SMPI_MPI_Gather(void* sendbuf, int sendcount, MPI_Datatype sendtype,
+ void* recvbuf, int recvcount, MPI_Datatype recvtype,
+ int root, MPI_Comm comm)
+{
+ int retval = MPI_SUCCESS;
+ int system_tag = 666;
+ int rank, size;
+
+ smpi_bench_end();
+ rank = smpi_mpi_comm_rank(comm);
+ size = comm->size;
+ if(rank != root) {
+ // Send buffer to root
+ smpi_mpi_request_t request;
+ retval = smpi_create_request(sendbuf, sendcount, sendtype,
+ rank, root, system_tag, comm, &request);
+ smpi_mpi_isend(request);
+ smpi_mpi_wait(request, MPI_STATUS_IGNORE);
+ xbt_mallocator_release(smpi_global->request_mallocator, request);
+ } else {
+ // Receive buffers from senders
+ int src;
+ smpi_mpi_request_t* requests;
+
+ requests = xbt_malloc((size-1) * sizeof(smpi_mpi_request_t));
+ for(src = 0; src < size; src++) {
+ if(src == root) {
+ // Local copy from root
+ memcpy(&((char*)recvbuf)[src*recvcount*recvtype->size],
+ sendbuf, sendcount*sendtype->size*sizeof(char));
+ } else {
+ int index = src < root ? src : src - 1;
+ retval = smpi_create_request(&((char*)recvbuf)[src*recvcount*recvtype->size],
+ recvcount, recvtype, src, root, system_tag,
+ comm, &requests[index]);
+ if(NULL != requests[index] && MPI_SUCCESS == retval) {
+ smpi_mpi_irecv(requests[index]);
+ }
+ }
+ }
+ // Wait for completion of irecv's.
+ for(src = 0; src < size - 1; src++) {
+ int index = MPI_UNDEFINED;
+ smpi_mpi_waitany(size - 1, requests, &index, MPI_STATUS_IGNORE);
+ xbt_mallocator_release(smpi_global->request_mallocator, requests[index]);
+ }
+ xbt_free(requests);
+ }
+ smpi_bench_begin();
+ return retval;
+}
+
+int SMPI_MPI_Gatherv(void* sendbuf, int sendcount, MPI_Datatype sendtype,
+ void* recvbuf, int* recvcounts, int* displs, MPI_Datatype recvtype,
+ int root, MPI_Comm comm)
+{
+ int retval = MPI_SUCCESS;
+ int system_tag = 666;
+ int rank, size;
+
+ smpi_bench_end();
+ rank = smpi_mpi_comm_rank(comm);
+ size = comm->size;
+ if(rank != root) {
+ // Send buffer to root
+ smpi_mpi_request_t request;
+
+ retval = smpi_create_request(sendbuf, sendcount, sendtype,
+ rank, root, system_tag, comm, &request);
+ smpi_mpi_isend(request);
+ smpi_mpi_wait(request, MPI_STATUS_IGNORE);
+ xbt_mallocator_release(smpi_global->request_mallocator, request);
+ } else {
+ // Receive buffers from senders
+ int src;
+ smpi_mpi_request_t* requests;
+
+ requests = xbt_malloc((size-1) * sizeof(smpi_mpi_request_t));
+ for(src = 0; src < size; src++) {
+ if(src == root) {
+ // Local copy from root
+ memcpy(&((char*)recvbuf)[displs[src]],
+ sendbuf, sendcount*sendtype->size*sizeof(char));
+ } else {
+ int index = src < root ? src : src - 1;
+ retval = smpi_create_request(&((char*)recvbuf)[displs[src]],
+ recvcounts[src], recvtype, src, root, system_tag,
+ comm, &requests[index]);
+ if(NULL != requests[index] && MPI_SUCCESS == retval) {
+ smpi_mpi_irecv(requests[index]);
+ }
+ }
+ }
+ // Wait for completion of irecv's.
+ for(src = 0; src < size - 1; src++) {
+ int index = MPI_UNDEFINED;
+ smpi_mpi_waitany(size - 1, requests, &index, MPI_STATUS_IGNORE);
+ xbt_mallocator_release(smpi_global->request_mallocator, requests[index]);
+ }
+ xbt_free(requests);
+ }
+ smpi_bench_begin();
+ return retval;
+}
+
+int SMPI_MPI_Scatterv(void* sendbuf, int *sendcounts, int *displs, MPI_Datatype sendtype,
+ void* recvbuf, int recvcount, MPI_Datatype recvtype,
+ int root, MPI_Comm comm)
+{
+ int retval = MPI_SUCCESS;
+ int system_tag = 666;
+ int rank, size;
+
+ smpi_bench_end();
+ rank = smpi_mpi_comm_rank(comm);
+ size = comm->size;
+ if(rank != root) {
+ // Receive buffer from root
+ smpi_mpi_request_t request;
+
+ retval = smpi_create_request(recvbuf, recvcount, recvtype,
+ root, rank, system_tag, comm, &request);
+ smpi_mpi_isend(request);
+ smpi_mpi_wait(request, MPI_STATUS_IGNORE);
+ xbt_mallocator_release(smpi_global->request_mallocator, request);
+ } else {
+ // Send buffers to receivers
+ int dst;
+ smpi_mpi_request_t* requests;
+
+ requests = xbt_malloc((size-1) * sizeof(smpi_mpi_request_t));
+ for(dst = 0; dst < size; dst++) {
+ if(dst == root) {
+ // Local copy from root
+ memcpy(recvbuf, &((char*)sendbuf)[displs[dst]],
+ sendcounts[dst]*sendtype->size*sizeof(char));
+ } else {
+ int index = dst < root ? dst : dst - 1;
+ retval = smpi_create_request(&((char*)sendbuf)[displs[dst]], sendcounts[dst], sendtype,
+ root, dst, system_tag, comm, &requests[index]);
+ if(NULL != requests[index] && MPI_SUCCESS == retval) {
+ smpi_mpi_isend(requests[index]);
+ }
+ }
+ }
+ // Wait for completion of isend's.
+ for(dst = 0; dst < size - 1; dst++) {
+ int index = MPI_UNDEFINED;
+ smpi_mpi_waitany(size - 1, requests, &index, MPI_STATUS_IGNORE);
+ xbt_mallocator_release(smpi_global->request_mallocator, requests[index]);
+ }
+ xbt_free(requests);
+ }
+ smpi_bench_begin();
+ return retval;
+}
+
+int SMPI_MPI_Reduce_scatter(void* sendbuf, void* recvbuf, int *recvcounts,
+ MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
+{
+ // FIXME: Suboptimal implementation
+ int retval = MPI_SUCCESS;
+ int count = 0;
+ int root = 0;
+ int i, rank;
+ int* displs;
+
+ smpi_bench_end();
+ rank = smpi_mpi_comm_rank(comm);
+ displs = xbt_new(int, comm->size);
+ for(i = 0; i < comm->size; i++) {
+ count += recvcounts[i];
+ displs[i] = 0;
+ }
+ retval = smpi_mpi_reduce(sendbuf, recvbuf, count, datatype, op, root, comm);
+ retval = SMPI_MPI_Scatterv(recvbuf, recvcounts, displs, datatype, recvbuf, recvcounts[rank], datatype, root, comm);
+ xbt_free(displs);
+ smpi_bench_begin();
+ return retval;
+}
+
+int SMPI_MPI_Allgather(void* sendbuf, int sendcount, MPI_Datatype sendtype,
+ void* recvbuf, int recvcount, MPI_Datatype recvtype, MPI_Comm comm)
+{
+ // FIXME: Suboptimal implementation
+ int root = 0;
+ int retval;
+
+ smpi_bench_end();
+ retval = SMPI_MPI_Gather(sendbuf, sendcount, sendtype,
+ recvbuf, recvcount, recvtype, root, comm);
+ if(retval == MPI_SUCCESS) {
+ retval = SMPI_MPI_Bcast(recvbuf, recvcount, recvtype, root, comm);
+ }
+ smpi_bench_begin();
+ return retval;
+}
+
+int SMPI_MPI_Allgatherv(void* sendbuf, int sendcount, MPI_Datatype sendtype,
+ void* recvbuf, int *recvcounts, int *displs, MPI_Datatype recvtype,
+ MPI_Comm comm)
+{
+ // FIXME: Suboptimal implementation
+ int root = 0;
+ int last, retval;
+
+ smpi_bench_end();
+ retval = SMPI_MPI_Gatherv(sendbuf, sendcount, sendtype,
+ recvbuf, recvcounts, displs, recvtype, root, comm);
+ if(retval == MPI_SUCCESS) {
+ last = comm->size - 1;
+ retval = SMPI_MPI_Bcast(recvbuf, displs[last] + recvcounts[last], recvtype, root, comm);
+ }
+ smpi_bench_begin();
+ return retval;
+}
