#define COLL_SETTER(cat, ret, args, args2) \
int(*Colls::cat) args; \
- void Colls::set_##cat(std::string name) \
+ void Colls::set_##cat(const std::string& name) \
{ \
int id = find_coll_description(mpi_coll_##cat##_description, name, #cat); \
cat = reinterpret_cast<ret(*) args>(mpi_coll_##cat##_description[id].coll); \
XBT_WARN(" %s: %s\n", table[i].name.c_str(), table[i].description.c_str());
}
-int Colls::find_coll_description(s_mpi_coll_description_t* table, std::string name, const char* desc)
+int Colls::find_coll_description(s_mpi_coll_description_t* table, const std::string& name, const char* desc)
{
for (int i = 0; not table[i].name.empty(); i++)
if (name == table[i].name) {
}
}
+//Implementations of the single algorithm collectives
-//Implementations of the single algorith collectives
-
-int Colls::gatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int *recvcounts, int *displs,
+int Colls::gatherv(const void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, const int *recvcounts, const int *displs,
MPI_Datatype recvtype, int root, MPI_Comm comm)
{
- int system_tag = COLL_TAG_GATHERV;
- MPI_Aint lb = 0;
- MPI_Aint recvext = 0;
-
- int rank = comm->rank();
- int size = comm->size();
- if (rank != root) {
- // Send buffer to root
- Request::send(sendbuf, sendcount, sendtype, root, system_tag, comm);
- } else {
- recvtype->extent(&lb, &recvext);
- // Local copy from root
- Datatype::copy(sendbuf, sendcount, sendtype, static_cast<char*>(recvbuf) + displs[root] * recvext,
- recvcounts[root], recvtype);
- // Receive buffers from senders
- MPI_Request *requests = xbt_new(MPI_Request, size - 1);
- int index = 0;
- for (int src = 0; src < size; src++) {
- if(src != root) {
- requests[index] = Request::irecv_init(static_cast<char*>(recvbuf) + displs[src] * recvext,
- recvcounts[src], recvtype, src, system_tag, comm);
- index++;
- }
- }
- // Wait for completion of irecv's.
- Request::startall(size - 1, requests);
- Request::waitall(size - 1, requests, MPI_STATUS_IGNORE);
- for (int src = 0; src < size-1; src++) {
- Request::unref(&requests[src]);
- }
- xbt_free(requests);
- }
- return MPI_SUCCESS;
+ MPI_Request request;
+ Colls::igatherv(sendbuf, sendcount, sendtype, recvbuf, recvcounts, displs, recvtype, root, comm, &request);
+ return Request::wait(&request, MPI_STATUS_IGNORE);
}
-int Colls::scatterv(void *sendbuf, int *sendcounts, int *displs, MPI_Datatype sendtype, void *recvbuf, int recvcount,
+int Colls::scatterv(const void *sendbuf, const int *sendcounts, const int *displs, MPI_Datatype sendtype, void *recvbuf, int recvcount,
MPI_Datatype recvtype, int root, MPI_Comm comm)
{
- int system_tag = COLL_TAG_SCATTERV;
- MPI_Aint lb = 0;
- MPI_Aint sendext = 0;
-
- int rank = comm->rank();
- int size = comm->size();
- if(rank != root) {
- // Recv buffer from root
- Request::recv(recvbuf, recvcount, recvtype, root, system_tag, comm, MPI_STATUS_IGNORE);
- } else {
- sendtype->extent(&lb, &sendext);
- // Local copy from root
- if(recvbuf!=MPI_IN_PLACE){
- Datatype::copy(static_cast<char *>(sendbuf) + displs[root] * sendext, sendcounts[root],
- sendtype, recvbuf, recvcount, recvtype);
- }
- // Send buffers to receivers
- MPI_Request *requests = xbt_new(MPI_Request, size - 1);
- int index = 0;
- for (int dst = 0; dst < size; dst++) {
- if (dst != root) {
- requests[index] = Request::isend_init(static_cast<char *>(sendbuf) + displs[dst] * sendext, sendcounts[dst],
- sendtype, dst, system_tag, comm);
- index++;
- }
- }
- // Wait for completion of isend's.
- Request::startall(size - 1, requests);
- Request::waitall(size - 1, requests, MPI_STATUS_IGNORE);
- for (int dst = 0; dst < size-1; dst++) {
- Request::unref(&requests[dst]);
- }
- xbt_free(requests);
- }
- return MPI_SUCCESS;
+ MPI_Request request;
+ Colls::iscatterv(sendbuf, sendcounts, displs, sendtype, recvbuf, recvcount, recvtype, root, comm, &request);
+ return Request::wait(&request, MPI_STATUS_IGNORE);
}
-int Colls::scan(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
+int Colls::scan(const void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
{
int system_tag = -888;
MPI_Aint lb = 0;
Datatype::copy(sendbuf, count, datatype, recvbuf, count, datatype);
// Send/Recv buffers to/from others
- MPI_Request *requests = xbt_new(MPI_Request, size - 1);
- void **tmpbufs = xbt_new(void *, rank);
+ MPI_Request* requests = new MPI_Request[size - 1];
+ void** tmpbufs = new void*[rank];
int index = 0;
for (int other = 0; other < rank; other++) {
tmpbufs[index] = smpi_get_tmp_sendbuffer(count * dataext);
for(index = 0; index < size-1; index++) {
Request::unref(&requests[index]);
}
- xbt_free(tmpbufs);
- xbt_free(requests);
+ delete[] tmpbufs;
+ delete[] requests;
return MPI_SUCCESS;
}
-int Colls::exscan(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
+int Colls::exscan(const void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
{
int system_tag = -888;
MPI_Aint lb = 0;
datatype->extent(&lb, &dataext);
// Send/Recv buffers to/from others
- MPI_Request *requests = xbt_new(MPI_Request, size - 1);
- void **tmpbufs = xbt_new(void *, rank);
+ MPI_Request* requests = new MPI_Request[size - 1];
+ void** tmpbufs = new void*[rank];
int index = 0;
for (int other = 0; other < rank; other++) {
tmpbufs[index] = smpi_get_tmp_sendbuffer(count * dataext);
for(index = 0; index < size-1; index++) {
Request::unref(&requests[index]);
}
- xbt_free(tmpbufs);
- xbt_free(requests);
+ delete[] tmpbufs;
+ delete[] requests;
return MPI_SUCCESS;
}
+int Colls::alltoallw(const void *sendbuf, const int *sendcounts, const int *senddisps, const MPI_Datatype* sendtypes,
+ void *recvbuf, const int *recvcounts, const int *recvdisps, const MPI_Datatype* recvtypes, MPI_Comm comm)
+{
+ MPI_Request request;
+ Colls::ialltoallw(sendbuf, sendcounts, senddisps, sendtypes, recvbuf, recvcounts, recvdisps, recvtypes, comm, &request);
+ return Request::wait(&request, MPI_STATUS_IGNORE);
+}
+
}
}
