-/* Copyright (c) 2013-2019. The SimGrid Team.
+/* Copyright (c) 2013-2020. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
namespace smpi{
-int Coll_alltoall_basic_linear::alltoall(void *sendbuf, int sendcount, MPI_Datatype sendtype,
- void *recvbuf, int recvcount, MPI_Datatype recvtype, MPI_Comm comm)
+int alltoall__basic_linear(const void *sendbuf, int sendcount, MPI_Datatype sendtype,
+ void *recvbuf, int recvcount, MPI_Datatype recvtype, MPI_Comm comm)
{
- int system_tag = 888;
+ int system_tag = COLL_TAG_ALLTOALL;
int i;
int count;
MPI_Aint lb = 0, sendext = 0, recvext = 0;
- MPI_Request *requests;
/* Initialize. */
int rank = comm->rank();
sendtype->extent(&lb, &sendext);
recvtype->extent(&lb, &recvext);
/* simple optimization */
- int err = Datatype::copy(static_cast<char *>(sendbuf) + rank * sendcount * sendext, sendcount, sendtype,
+ int err = Datatype::copy(static_cast<const char *>(sendbuf) + rank * sendcount * sendext, sendcount, sendtype,
static_cast<char *>(recvbuf) + rank * recvcount * recvext, recvcount, recvtype);
if (err == MPI_SUCCESS && size > 1) {
/* Initiate all send/recv to/from others. */
- requests = xbt_new(MPI_Request, 2 * (size - 1));
+ MPI_Request* requests = new MPI_Request[2 * (size - 1)];
/* Post all receives first -- a simple optimization */
count = 0;
for (i = (rank + 1) % size; i != rank; i = (i + 1) % size) {
* TODO: check the previous assertion
*/
for (i = (rank + size - 1) % size; i != rank; i = (i + size - 1) % size) {
- requests[count] = Request::isend_init(static_cast<char *>(sendbuf) + i * sendcount * sendext, sendcount,
+ requests[count] = Request::isend_init(static_cast<const char *>(sendbuf) + i * sendcount * sendext, sendcount,
sendtype, i, system_tag, comm);
count++;
}
if(requests[i]!=MPI_REQUEST_NULL)
Request::unref(&requests[i]);
}
- xbt_free(requests);
+ delete[] requests;
}
return err;
}