void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
{
int system_tag = COLL_TAG_GATHER;
- int src, index;
MPI_Aint lb = 0;
MPI_Aint recvext = 0;
- MPI_Request *requests;
int rank = smpi_comm_rank(comm);
int size = smpi_comm_size(comm);
smpi_datatype_copy(sendbuf, sendcount, sendtype, static_cast<char*>(recvbuf) + root * recvcount * recvext,
recvcount, recvtype);
// Receive buffers from senders
- requests = xbt_new(MPI_Request, size - 1);
- index = 0;
- for(src = 0; src < size; src++) {
+ MPI_Request *requests = xbt_new(MPI_Request, size - 1);
+ int index = 0;
+ for (int src = 0; src < size; src++) {
if(src != root) {
requests[index] = smpi_irecv_init(static_cast<char*>(recvbuf) + src * recvcount * recvext, recvcount, recvtype,
src, system_tag, comm);
// Wait for completion of irecv's.
smpi_mpi_startall(size - 1, requests);
smpi_mpi_waitall(size - 1, requests, MPI_STATUS_IGNORE);
- for(src = 0; src < size-1; src++) {
+ for (int src = 0; src < size-1; src++) {
smpi_mpi_request_free(&requests[src]);
}
xbt_free(requests);
void smpi_mpi_reduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts, MPI_Datatype datatype, MPI_Op op,
MPI_Comm comm)
{
- int i;
- int *displs;
int rank = smpi_comm_rank(comm);
- void *tmpbuf;
/* arbitrarily choose root as rank 0 */
int size = smpi_comm_size(comm);
int count = 0;
- displs = xbt_new(int, size);
- for (i = 0; i < size; i++) {
+ int *displs = xbt_new(int, size);
+ for (int i = 0; i < size; i++) {
displs[i] = count;
count += recvcounts[i];
}
- tmpbuf=static_cast<void*>(smpi_get_tmp_sendbuffer(count*smpi_datatype_get_extent(datatype)));
+ void *tmpbuf = static_cast<void*>(smpi_get_tmp_sendbuffer(count*smpi_datatype_get_extent(datatype)));
mpi_coll_reduce_fun(sendbuf, tmpbuf, count, datatype, op, 0, comm);
smpi_mpi_scatterv(tmpbuf, recvcounts, displs, datatype, recvbuf, recvcounts[rank], datatype, 0, comm);
MPI_Datatype recvtype, int root, MPI_Comm comm)
{
int system_tag = COLL_TAG_GATHERV;
- int src, index;
MPI_Aint lb = 0;
MPI_Aint recvext = 0;
- MPI_Request *requests;
int rank = smpi_comm_rank(comm);
int size = smpi_comm_size(comm);
- if(rank != root) {
+ if (rank != root) {
// Send buffer to root
smpi_mpi_send(sendbuf, sendcount, sendtype, root, system_tag, comm);
} else {
smpi_datatype_copy(sendbuf, sendcount, sendtype, static_cast<char*>(recvbuf) + displs[root] * recvext,
recvcounts[root], recvtype);
// Receive buffers from senders
- requests = xbt_new(MPI_Request, size - 1);
- index = 0;
- for(src = 0; src < size; src++) {
+ MPI_Request *requests = xbt_new(MPI_Request, size - 1);
+ int index = 0;
+ for (int src = 0; src < size; src++) {
if(src != root) {
requests[index] = smpi_irecv_init(static_cast<char*>(recvbuf) + displs[src] * recvext,
recvcounts[src], recvtype, src, system_tag, comm);
// Wait for completion of irecv's.
smpi_mpi_startall(size - 1, requests);
smpi_mpi_waitall(size - 1, requests, MPI_STATUS_IGNORE);
- for(src = 0; src < size-1; src++) {
+ for (int src = 0; src < size-1; src++) {
smpi_mpi_request_free(&requests[src]);
}
xbt_free(requests);
void *recvbuf,int recvcount, MPI_Datatype recvtype, MPI_Comm comm)
{
int system_tag = COLL_TAG_ALLGATHER;
- int other, index;
MPI_Aint lb = 0;
MPI_Aint recvext = 0;
MPI_Request *requests;
recvtype);
// Send/Recv buffers to/from others;
requests = xbt_new(MPI_Request, 2 * (size - 1));
- index = 0;
- for(other = 0; other < size; other++) {
+ int index = 0;
+ for (int other = 0; other < size; other++) {
if(other != rank) {
requests[index] = smpi_isend_init(sendbuf, sendcount, sendtype, other, system_tag,comm);
index++;
// Wait for completion of all comms.
smpi_mpi_startall(2 * (size - 1), requests);
smpi_mpi_waitall(2 * (size - 1), requests, MPI_STATUS_IGNORE);
- for(other = 0; other < 2*(size-1); other++) {
+ for (int other = 0; other < 2*(size-1); other++) {
smpi_mpi_request_free(&requests[other]);
}
xbt_free(requests);
int *recvcounts, int *displs, MPI_Datatype recvtype, MPI_Comm comm)
{
int system_tag = COLL_TAG_ALLGATHERV;
- int other, index;
MPI_Aint lb = 0;
MPI_Aint recvext = 0;
- MPI_Request *requests;
int rank = smpi_comm_rank(comm);
int size = smpi_comm_size(comm);
smpi_datatype_copy(sendbuf, sendcount, sendtype,
static_cast<char *>(recvbuf) + displs[rank] * recvext,recvcounts[rank], recvtype);
// Send buffers to others;
- requests = xbt_new(MPI_Request, 2 * (size - 1));
- index = 0;
- for(other = 0; other < size; other++) {
+ MPI_Request *requests = xbt_new(MPI_Request, 2 * (size - 1));
+ int index = 0;
+ for (int other = 0; other < size; other++) {
if(other != rank) {
requests[index] =
smpi_isend_init(sendbuf, sendcount, sendtype, other, system_tag, comm);
// Wait for completion of all comms.
smpi_mpi_startall(2 * (size - 1), requests);
smpi_mpi_waitall(2 * (size - 1), requests, MPI_STATUS_IGNORE);
- for(other = 0; other < 2*(size-1); other++) {
+ for (int other = 0; other < 2*(size-1); other++) {
smpi_mpi_request_free(&requests[other]);
}
xbt_free(requests);
void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
{
int system_tag = COLL_TAG_SCATTER;
- int dst;
MPI_Aint lb = 0;
MPI_Aint sendext = 0;
MPI_Request *requests;
// Send buffers to receivers
requests = xbt_new(MPI_Request, size - 1);
int index = 0;
- for(dst = 0; dst < size; dst++) {
+ for(int dst = 0; dst < size; dst++) {
if(dst != root) {
requests[index] = smpi_isend_init(static_cast<char *>(sendbuf) + dst * sendcount * sendext, sendcount, sendtype,
dst, system_tag, comm);
// Wait for completion of isend's.
smpi_mpi_startall(size - 1, requests);
smpi_mpi_waitall(size - 1, requests, MPI_STATUS_IGNORE);
- for(dst = 0; dst < size-1; dst++) {
+ for (int dst = 0; dst < size-1; dst++) {
smpi_mpi_request_free(&requests[dst]);
}
xbt_free(requests);
MPI_Datatype recvtype, int root, MPI_Comm comm)
{
int system_tag = COLL_TAG_SCATTERV;
- int dst;
MPI_Aint lb = 0;
MPI_Aint sendext = 0;
- MPI_Request *requests;
int rank = smpi_comm_rank(comm);
int size = smpi_comm_size(comm);
sendtype, recvbuf, recvcount, recvtype);
}
// Send buffers to receivers
- requests = xbt_new(MPI_Request, size - 1);
+ MPI_Request *requests = xbt_new(MPI_Request, size - 1);
int index = 0;
- for(dst = 0; dst < size; dst++) {
- if(dst != root) {
+ for (int dst = 0; dst < size; dst++) {
+ if (dst != root) {
requests[index] = smpi_isend_init(static_cast<char *>(sendbuf) + displs[dst] * sendext, sendcounts[dst],
sendtype, dst, system_tag, comm);
index++;
// Wait for completion of isend's.
smpi_mpi_startall(size - 1, requests);
smpi_mpi_waitall(size - 1, requests, MPI_STATUS_IGNORE);
- for(dst = 0; dst < size-1; dst++) {
+ for (int dst = 0; dst < size-1; dst++) {
smpi_mpi_request_free(&requests[dst]);
}
xbt_free(requests);
MPI_Comm comm)
{
int system_tag = COLL_TAG_REDUCE;
- int src, index;
MPI_Aint lb = 0;
MPI_Aint dataext = 0;
- MPI_Request *requests;
- void **tmpbufs;
char* sendtmpbuf = static_cast<char *>(sendbuf);
if (sendtmpbuf != nullptr && recvbuf != nullptr)
smpi_datatype_copy(sendtmpbuf, count, datatype, recvbuf, count, datatype);
// Receive buffers from senders
- requests = xbt_new(MPI_Request, size - 1);
- tmpbufs = xbt_new(void *, size - 1);
- index = 0;
- for(src = 0; src < size; src++) {
- if(src != root) {
+ MPI_Request *requests = xbt_new(MPI_Request, size - 1);
+ void **tmpbufs = xbt_new(void *, size - 1);
+ int index = 0;
+ for (int src = 0; src < size; src++) {
+ if (src != root) {
if (!smpi_process_get_replaying())
tmpbufs[index] = xbt_malloc(count * dataext);
else
}
// Wait for completion of irecv's.
smpi_mpi_startall(size - 1, requests);
- for(src = 0; src < size - 1; src++) {
+ for (int src = 0; src < size - 1; src++) {
index = smpi_mpi_waitany(size - 1, requests, MPI_STATUS_IGNORE);
XBT_DEBUG("finished waiting any request with index %d", index);
if(index == MPI_UNDEFINED) {
void smpi_mpi_scan(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
{
int system_tag = -888;
- int other, index;
MPI_Aint lb = 0, dataext = 0;
- MPI_Request *requests;
- void **tmpbufs;
int rank = smpi_comm_rank(comm);
int size = smpi_comm_size(comm);
smpi_datatype_copy(sendbuf, count, datatype, recvbuf, count, datatype);
// Send/Recv buffers to/from others;
- requests = xbt_new(MPI_Request, size - 1);
- tmpbufs = xbt_new(void *, rank);
- index = 0;
- for(other = 0; other < rank; other++) {
+ MPI_Request *requests = xbt_new(MPI_Request, size - 1);
+ void **tmpbufs = xbt_new(void *, rank);
+ int index = 0;
+ for (int other = 0; other < rank; other++) {
tmpbufs[index] = smpi_get_tmp_sendbuffer(count * dataext);
requests[index] = smpi_irecv_init(tmpbufs[index], count, datatype, other, system_tag, comm);
index++;
}
- for(other = rank + 1; other < size; other++) {
+ for (int other = rank + 1; other < size; other++) {
requests[index] = smpi_isend_init(sendbuf, count, datatype, other, system_tag, comm);
index++;
}
smpi_mpi_startall(size - 1, requests);
if(smpi_op_is_commute(op)){
- for(other = 0; other < size - 1; other++) {
+ for (int other = 0; other < size - 1; other++) {
index = smpi_mpi_waitany(size - 1, requests, MPI_STATUS_IGNORE);
if(index == MPI_UNDEFINED) {
break;
}
}else{
//non commutative case, wait in order
- for(other = 0; other < size - 1; other++) {
+ for (int other = 0; other < size - 1; other++) {
smpi_mpi_wait(&(requests[other]), MPI_STATUS_IGNORE);
if(index < rank) {
smpi_op_apply(op, tmpbufs[other], recvbuf, &count, &datatype);
void smpi_mpi_exscan(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
{
int system_tag = -888;
- int other, index;
MPI_Aint lb = 0, dataext = 0;
- MPI_Request *requests;
- void **tmpbufs;
int recvbuf_is_empty=1;
int rank = smpi_comm_rank(comm);
int size = smpi_comm_size(comm);
smpi_datatype_extent(datatype, &lb, &dataext);
// Send/Recv buffers to/from others;
- requests = xbt_new(MPI_Request, size - 1);
- tmpbufs = xbt_new(void *, rank);
- index = 0;
- for(other = 0; other < rank; other++) {
+ MPI_Request *requests = xbt_new(MPI_Request, size - 1);
+ void **tmpbufs = xbt_new(void *, rank);
+ int index = 0;
+ for (int other = 0; other < rank; other++) {
tmpbufs[index] = smpi_get_tmp_sendbuffer(count * dataext);
requests[index] = smpi_irecv_init(tmpbufs[index], count, datatype, other, system_tag, comm);
index++;
}
- for(other = rank + 1; other < size; other++) {
+ for (int other = rank + 1; other < size; other++) {
requests[index] = smpi_isend_init(sendbuf, count, datatype, other, system_tag, comm);
index++;
}
// Wait for completion of all comms.
smpi_mpi_startall(size - 1, requests);
if(smpi_op_is_commute(op)){
- for(other = 0; other < size - 1; other++) {
+ for (int other = 0; other < size - 1; other++) {
index = smpi_mpi_waitany(size - 1, requests, MPI_STATUS_IGNORE);
if(index == MPI_UNDEFINED) {
break;
}
}else{
//non commutative case, wait in order
- for(other = 0; other < size - 1; other++) {
+ for (int other = 0; other < size - 1; other++) {
smpi_mpi_wait(&(requests[other]), MPI_STATUS_IGNORE);
if(index < rank) {
if(recvbuf_is_empty){