/* selector with default/naive Simgrid algorithms. These should not be trusted for performance evaluations */
-/* Copyright (c) 2009-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2009-2022. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
{
MPI_Request request;
- Colls::igather(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, root, comm, &request, 0);
+ colls::igather(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, root, comm, &request, 0);
return Request::wait(&request, MPI_STATUS_IGNORE);
}
int size = comm->size();
int count = 0;
int* displs = new int[size];
+ int regular=1;
for (int i = 0; i < size; i++) {
+ if(recvcounts[i]!=recvcounts[0]){
+ regular=0;
+ break;
+ }
displs[i] = count;
count += recvcounts[i];
}
+ if(not regular){
+ delete[] displs;
+ return reduce_scatter__mpich(sendbuf, recvbuf, recvcounts, datatype, op, comm);
+ }
+
unsigned char* tmpbuf = smpi_get_tmp_sendbuffer(count * datatype->get_extent());
int ret = reduce__default(sendbuf, tmpbuf, count, datatype, op, 0, comm);
if(ret==MPI_SUCCESS)
- ret = Colls::scatterv(tmpbuf, recvcounts, displs, datatype, recvbuf, recvcounts[rank], datatype, 0, comm);
+ ret = colls::scatterv(tmpbuf, recvcounts, displs, datatype, recvbuf, recvcounts[rank], datatype, 0, comm);
delete[] displs;
smpi_free_tmp_buffer(tmpbuf);
return ret;
void *recvbuf,int recvcount, MPI_Datatype recvtype, MPI_Comm comm)
{
MPI_Request request;
- Colls::iallgather(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm, &request);
+ colls::iallgather(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm, &request);
return Request::wait(&request, MPI_STATUS_IGNORE);
}
const int *recvcounts, const int *displs, MPI_Datatype recvtype, MPI_Comm comm)
{
MPI_Request request;
- Colls::iallgatherv(sendbuf, sendcount, sendtype, recvbuf, recvcounts, displs, recvtype, comm, &request, 0);
- MPI_Request* requests = request->get_nbc_requests();
- int count = request->get_nbc_requests_size();
- Request::waitall(count, requests, MPI_STATUS_IGNORE);
- for (int other = 0; other < count; other++) {
- Request::unref(&requests[other]);
- }
- delete[] requests;
+ colls::iallgatherv(sendbuf, sendcount, sendtype, recvbuf, recvcounts, displs, recvtype, comm, &request, 0);
+ auto requests = request->get_nbc_requests();
+ Request::waitall(requests.size(), requests.data(), MPI_STATUS_IGNORE);
+ for(auto& req: requests)
+ Request::unref(&req);
Request::unref(&request);
return MPI_SUCCESS;
}
void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
{
MPI_Request request;
- Colls::iscatter(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, root, comm, &request, 0);
+ colls::iscatter(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, root, comm, &request, 0);
return Request::wait(&request, MPI_STATUS_IGNORE);
}
return reduce__ompi_basic_linear(sendbuf, recvbuf, count, datatype, op, root, comm);
}
MPI_Request request;
- Colls::ireduce(sendbuf, recvbuf, count, datatype, op, root, comm, &request, 0);
+ colls::ireduce(sendbuf, recvbuf, count, datatype, op, root, comm, &request, 0);
return Request::wait(&request, MPI_STATUS_IGNORE);
}
void *recvbuf, const int *recvcounts, const int *recvdisps, MPI_Datatype recvtype, MPI_Comm comm)
{
MPI_Request request;
- Colls::ialltoallv(sendbuf, sendcounts, senddisps, sendtype, recvbuf, recvcounts, recvdisps, recvtype, comm, &request, 0);
+ colls::ialltoallv(sendbuf, sendcounts, senddisps, sendtype, recvbuf, recvcounts, recvdisps, recvtype, comm, &request,
+ 0);
return Request::wait(&request, MPI_STATUS_IGNORE);
}