return MPI_SUCCESS;
}
-int Colls::iallgather(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+int Colls::iallgather(const void *sendbuf, int sendcount, MPI_Datatype sendtype,
void *recvbuf,int recvcount, MPI_Datatype recvtype, MPI_Comm comm, MPI_Request* request)
{
return MPI_SUCCESS;
}
-int Colls::iscatter(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+int Colls::iscatter(const void *sendbuf, int sendcount, MPI_Datatype sendtype,
void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm, MPI_Request* request)
{
const int system_tag = COLL_TAG_SCATTER;
sendtype->extent(&lb, &sendext);
// Local copy from root
if(recvbuf!=MPI_IN_PLACE){
- Datatype::copy(static_cast<char *>(sendbuf) + root * sendcount * sendext,
+ Datatype::copy(static_cast<const char *>(sendbuf) + root * sendcount * sendext,
sendcount, sendtype, recvbuf, recvcount, recvtype);
}
// Send buffers to receivers
int index = 0;
for(int dst = 0; dst < size; dst++) {
if(dst != root) {
- requests[index] = Request::isend_init(static_cast<char *>(sendbuf) + dst * sendcount * sendext, sendcount, sendtype,
+ requests[index] = Request::isend_init(static_cast<const char *>(sendbuf) + dst * sendcount * sendext, sendcount, sendtype,
dst, system_tag, comm);
index++;
}
return MPI_SUCCESS;
}
-int Colls::iallgatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf,
- int *recvcounts, int *displs, MPI_Datatype recvtype, MPI_Comm comm, MPI_Request* request)
+int Colls::iallgatherv(const void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf,
+ const int *recvcounts, const int *displs, MPI_Datatype recvtype, MPI_Comm comm, MPI_Request* request)
{
const int system_tag = COLL_TAG_ALLGATHERV;
MPI_Aint lb = 0;
return MPI_SUCCESS;
}
-int Colls::ialltoall( void *sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount, MPI_Datatype recvtype, MPI_Comm comm, MPI_Request* request){
-int system_tag = COLL_TAG_ALLTOALL;
- MPI_Aint lb = 0, sendext = 0, recvext = 0;
+int Colls::ialltoall( const void *sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount, MPI_Datatype recvtype, MPI_Comm comm, MPI_Request* request){
+ int system_tag = COLL_TAG_ALLTOALL;
+ MPI_Aint lb = 0;
+ MPI_Aint sendext = 0;
+ MPI_Aint recvext = 0;
/* 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. */
* TODO: check the previous assertion
*/
for (int 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++;
}
return MPI_SUCCESS;
}
-int Colls::ialltoallv(void *sendbuf, int *sendcounts, int *senddisps, MPI_Datatype sendtype,
- void *recvbuf, int *recvcounts, int *recvdisps, MPI_Datatype recvtype, MPI_Comm comm, MPI_Request *request){
+int Colls::ialltoallv(const void *sendbuf, const int *sendcounts, const int *senddisps, MPI_Datatype sendtype,
+ void *recvbuf, const int *recvcounts, const int *recvdisps, MPI_Datatype recvtype, MPI_Comm comm, MPI_Request *request){
const int system_tag = COLL_TAG_ALLTOALLV;
MPI_Aint lb = 0;
MPI_Aint sendext = 0;
sendtype->extent(&lb, &sendext);
recvtype->extent(&lb, &recvext);
/* Local copy from self */
- int err = Datatype::copy(static_cast<char *>(sendbuf) + senddisps[rank] * sendext, sendcounts[rank], sendtype,
+ int err = Datatype::copy(static_cast<const char *>(sendbuf) + senddisps[rank] * sendext, sendcounts[rank], sendtype,
static_cast<char *>(recvbuf) + recvdisps[rank] * recvext, recvcounts[rank], recvtype);
if (err == MPI_SUCCESS && size > 1) {
/* Initiate all send/recv to/from others. */
/* Now create all sends */
for (int i = 0; i < size; ++i) {
if (i != rank) {
- requests[count] = Request::isend_init(static_cast<char *>(sendbuf) + senddisps[i] * sendext,
+ requests[count] = Request::isend_init(static_cast<const char *>(sendbuf) + senddisps[i] * sendext,
sendcounts[i], sendtype, i, system_tag, comm);
count++;
}else{
return err;
}
-int Colls::ialltoallw(void *sendbuf, int *sendcounts, int *senddisps, MPI_Datatype* sendtypes,
- void *recvbuf, int *recvcounts, int *recvdisps, MPI_Datatype* recvtypes, MPI_Comm comm, MPI_Request *request){
+int Colls::ialltoallw(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){
const int system_tag = COLL_TAG_ALLTOALLV;
/* Initialize. */
(*request) = new Request( nullptr, 0, MPI_BYTE,
rank,rank, system_tag, comm, MPI_REQ_PERSISTENT);
/* Local copy from self */
- int err = (sendcounts[rank]>0 && recvcounts[rank]) ? Datatype::copy(static_cast<char *>(sendbuf) + senddisps[rank], sendcounts[rank], sendtypes[rank],
+ int err = (sendcounts[rank]>0 && recvcounts[rank]) ? Datatype::copy(static_cast<const char *>(sendbuf) + senddisps[rank], sendcounts[rank], sendtypes[rank],
static_cast<char *>(recvbuf) + recvdisps[rank], recvcounts[rank], recvtypes[rank]): MPI_SUCCESS;
if (err == MPI_SUCCESS && size > 1) {
/* Initiate all send/recv to/from others. */
/* Now create all sends */
for (int i = 0; i < size; ++i) {
if (i != rank) {
- requests[count] = Request::isend_init(static_cast<char *>(sendbuf) + senddisps[i] ,
+ requests[count] = Request::isend_init(static_cast<const char *>(sendbuf) + senddisps[i] ,
sendcounts[i], sendtypes[i], i, system_tag, comm);
count++;
}else{
return err;
}
-int Colls::igather(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+int Colls::igather(const void *sendbuf, int sendcount, MPI_Datatype sendtype,
void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm, MPI_Request *request)
{
const int system_tag = COLL_TAG_GATHER;
return MPI_SUCCESS;
}
-int Colls::igatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int *recvcounts, int *displs,
+int Colls::igatherv(const void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, const int *recvcounts, const int *displs,
MPI_Datatype recvtype, int root, MPI_Comm comm, MPI_Request *request)
{
int system_tag = COLL_TAG_GATHERV;
}
return MPI_SUCCESS;
}
-int Colls::iscatterv(void *sendbuf, int *sendcounts, int *displs, MPI_Datatype sendtype, void *recvbuf, int recvcount,
+int Colls::iscatterv(const void *sendbuf, const int *sendcounts, const int *displs, MPI_Datatype sendtype, void *recvbuf, int recvcount,
MPI_Datatype recvtype, int root, MPI_Comm comm, MPI_Request *request)
{
int system_tag = COLL_TAG_SCATTERV;
sendtype->extent(&lb, &sendext);
// Local copy from root
if(recvbuf!=MPI_IN_PLACE){
- Datatype::copy(static_cast<char *>(sendbuf) + displs[root] * sendext, sendcounts[root],
+ Datatype::copy(static_cast<const char *>(sendbuf) + displs[root] * sendext, sendcounts[root],
sendtype, recvbuf, recvcount, recvtype);
}
// Send buffers to receivers
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],
+ requests[index] = Request::isend_init(static_cast<const char *>(sendbuf) + displs[dst] * sendext, sendcounts[dst],
sendtype, dst, system_tag, comm);
index++;
}
return MPI_SUCCESS;
}
-int Colls::ireduce(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, int root,
+int Colls::ireduce(const void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, int root,
MPI_Comm comm, MPI_Request* request)
{
const int system_tag = COLL_TAG_REDUCE;
MPI_Aint lb = 0;
MPI_Aint dataext = 0;
- char* sendtmpbuf = static_cast<char *>(sendbuf);
+ const void* real_sendbuf = sendbuf;
int rank = comm->rank();
int size = comm->size();
if (size <= 0)
return MPI_ERR_COMM;
+ unsigned char* tmp_sendbuf = nullptr;
if( sendbuf == MPI_IN_PLACE ) {
- sendtmpbuf = static_cast<char *>(smpi_get_tmp_sendbuffer(count*datatype->get_extent()));
- Datatype::copy(recvbuf, count, datatype,sendtmpbuf, count, datatype);
+ tmp_sendbuf = smpi_get_tmp_sendbuffer(count * datatype->get_extent());
+ Datatype::copy(recvbuf, count, datatype, tmp_sendbuf, count, datatype);
+ real_sendbuf = tmp_sendbuf;
}
if(rank == root){
if(rank != root) {
// Send buffer to root
MPI_Request* requests = new MPI_Request[1];
- requests[0]=Request::isend(sendtmpbuf, count, datatype, root, system_tag, comm);
+ requests[0] = Request::isend(real_sendbuf, count, datatype, root, system_tag, comm);
(*request)->set_nbc_requests(requests, 1);
} else {
datatype->extent(&lb, &dataext);
// Local copy from root
- if (sendtmpbuf != nullptr && recvbuf != nullptr)
- Datatype::copy(sendtmpbuf, count, datatype, recvbuf, count, datatype);
+ if (real_sendbuf != nullptr && recvbuf != nullptr)
+ Datatype::copy(real_sendbuf, count, datatype, recvbuf, count, datatype);
// Receive buffers from senders
MPI_Request *requests = new MPI_Request[size - 1];
int index = 0;
(*request)->set_nbc_requests(requests, size - 1);
}
if( sendbuf == MPI_IN_PLACE ) {
- smpi_free_tmp_buffer(sendtmpbuf);
+ smpi_free_tmp_buffer(tmp_sendbuf);
}
return MPI_SUCCESS;
}
-int Colls::iallreduce(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype,
+int Colls::iallreduce(const void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype,
MPI_Op op, MPI_Comm comm, MPI_Request* request)
{
return MPI_SUCCESS;
}
-int Colls::iscan(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm, MPI_Request* request)
+int Colls::iscan(const void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm, MPI_Request* request)
{
int system_tag = -888;
MPI_Aint lb = 0;
return MPI_SUCCESS;
}
-int Colls::iexscan(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm, MPI_Request* request)
+int Colls::iexscan(const void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm, MPI_Request* request)
{
int system_tag = -888;
MPI_Aint lb = 0;
return MPI_SUCCESS;
}
-int Colls::ireduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts, MPI_Datatype datatype, MPI_Op op,
+int Colls::ireduce_scatter(const void *sendbuf, void *recvbuf, const int *recvcounts, MPI_Datatype datatype, MPI_Op op,
MPI_Comm comm, MPI_Request* request){
//Version where each process performs the reduce for its own part. Alltoall pattern for comms.
const int system_tag = COLL_TAG_REDUCE_SCATTER;
int recvdisp=0;
for (int other = 0; other < size; other++) {
if(other != rank) {
- requests[index] = Request::isend_init(static_cast<char *>(sendbuf) + recvdisp * dataext, recvcounts[other], datatype, other, system_tag,comm);
+ requests[index] = Request::isend_init(static_cast<const char *>(sendbuf) + recvdisp * dataext, recvcounts[other], datatype, other, system_tag,comm);
XBT_VERB("sending with recvdisp %d", recvdisp);
index++;
requests[index] = Request::irecv_init(smpi_get_tmp_sendbuffer(count * dataext), count, datatype,
other, system_tag, comm);
index++;
}else{
- Datatype::copy(static_cast<char *>(sendbuf) + recvdisp * dataext, count, datatype, recvbuf, count, datatype);
+ Datatype::copy(static_cast<const char *>(sendbuf) + recvdisp * dataext, count, datatype, recvbuf, count, datatype);
}
recvdisp+=recvcounts[other];
}