smpi_bench_end();
if (request == nullptr) {
- retval = MPI_ERR_ARG;
+ retval = MPI_ERR_ARG;
} else if (comm == MPI_COMM_NULL) {
- retval = MPI_ERR_COMM;
+ retval = MPI_ERR_COMM;
} else if (not datatype->is_valid()) {
retval = MPI_ERR_TYPE;
} else if (dst == MPI_PROC_NULL) {
- retval = MPI_SUCCESS;
+ retval = MPI_SUCCESS;
} else {
- *request = simgrid::smpi::Request::send_init(buf, count, datatype, dst, tag, comm);
- retval = MPI_SUCCESS;
+ *request = simgrid::smpi::Request::send_init(buf, count, datatype, dst, tag, comm);
+ retval = MPI_SUCCESS;
}
smpi_bench_begin();
if (retval != MPI_SUCCESS && request != nullptr)
return retval;
}
-int PMPI_Sendrecv(void *sendbuf, int sendcount, MPI_Datatype sendtype, int dst, int sendtag, void *recvbuf,
- int recvcount, MPI_Datatype recvtype, int src, int recvtag, MPI_Comm comm, MPI_Status * status)
+int PMPI_Sendrecv(void* sendbuf, int sendcount, MPI_Datatype sendtype, int dst, int sendtag, void* recvbuf,
+ int recvcount, MPI_Datatype recvtype, int src, int recvtag, MPI_Comm comm, MPI_Status* status)
{
int retval = 0;
retval = MPI_ERR_TAG;
} else {
- int rank = comm != MPI_COMM_NULL ? smpi_process()->index() : -1;
- int dst_traced = comm->group()->index(dst);
- int src_traced = comm->group()->index(src);
- instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
- extra->type = TRACING_SENDRECV;
- extra->src = src_traced;
- extra->dst = dst_traced;
- int known=0;
- extra->datatype1 = encode_datatype(sendtype, &known);
- int dt_size_send = 1;
- if(known==0)
- dt_size_send = sendtype->size();
- extra->send_size = sendcount*dt_size_send;
- extra->datatype2 = encode_datatype(recvtype, &known);
- int dt_size_recv = 1;
- if(known==0)
- dt_size_recv = recvtype->size();
- extra->recv_size = recvcount*dt_size_recv;
-
- TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
- TRACE_smpi_send(rank, rank, dst_traced, sendtag,sendcount*sendtype->size());
-
- simgrid::smpi::Request::sendrecv(sendbuf, sendcount, sendtype, dst, sendtag, recvbuf, recvcount, recvtype, src, recvtag, comm,
- status);
- retval = MPI_SUCCESS;
-
- TRACE_smpi_ptp_out(rank, dst_traced, __FUNCTION__);
- TRACE_smpi_recv(src_traced, rank, recvtag);
+ int rank = comm != MPI_COMM_NULL ? smpi_process()->index() : -1;
+ int dst_traced = comm->group()->index(dst);
+ int src_traced = comm->group()->index(src);
+ instr_extra_data extra = xbt_new0(s_instr_extra_data_t, 1);
+ extra->type = TRACING_SENDRECV;
+ extra->src = src_traced;
+ extra->dst = dst_traced;
+ int known = 0;
+ extra->datatype1 = encode_datatype(sendtype, &known);
+ int dt_size_send = 1;
+ if (known == 0)
+ dt_size_send = sendtype->size();
+ extra->send_size = sendcount * dt_size_send;
+ extra->datatype2 = encode_datatype(recvtype, &known);
+ int dt_size_recv = 1;
+ if (known == 0)
+ dt_size_recv = recvtype->size();
+ extra->recv_size = recvcount * dt_size_recv;
+
+ TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
+ TRACE_smpi_send(rank, rank, dst_traced, sendtag, sendcount * sendtype->size());
+
+ simgrid::smpi::Request::sendrecv(sendbuf, sendcount, sendtype, dst, sendtag, recvbuf, recvcount, recvtype, src,
+ recvtag, comm, status);
+ retval = MPI_SUCCESS;
+
+ TRACE_smpi_ptp_out(rank, dst_traced, __FUNCTION__);
+ TRACE_smpi_recv(src_traced, rank, recvtag);
}
smpi_bench_begin();
void* recvbuf = xbt_new0(char, size);
retval = MPI_Sendrecv(buf, count, datatype, dst, sendtag, recvbuf, count, datatype, src, recvtag, comm, status);
if(retval==MPI_SUCCESS){
- simgrid::smpi::Datatype::copy(recvbuf, count, datatype, buf, count, datatype);
+ simgrid::smpi::Datatype::copy(recvbuf, count, datatype, buf, count, datatype);
}
xbt_free(recvbuf);
TRACE_smpi_ptp_out(rank, dst_traced, __FUNCTION__);
if (is_wait_for_receive) {
if(src_traced==MPI_ANY_SOURCE)
- src_traced = (status!=MPI_STATUS_IGNORE) ?
- comm->group()->rank(status->MPI_SOURCE) :
- src_traced;
+ src_traced = (status != MPI_STATUS_IGNORE) ? comm->group()->rank(status->MPI_SOURCE) : src_traced;
TRACE_smpi_recv(src_traced, dst_traced, tag_traced);
}
}
if (index == nullptr)
return MPI_ERR_ARG;
+ if (count <= 0)
+ return MPI_SUCCESS;
+
smpi_bench_end();
//save requests information for tracing
typedef struct {
int tag;
MPI_Comm comm;
} savedvalstype;
- savedvalstype* savedvals=nullptr;
- if(count>0){
- savedvals = xbt_new0(savedvalstype, count);
- }
+ savedvalstype* savedvals = xbt_new0(savedvalstype, count);
+
for (int i = 0; i < count; i++) {
MPI_Request req = requests[i]; //already received requests are no longer valid
if (req) {
int is_wait_for_receive = savedvals[*index].recv;
if (is_wait_for_receive) {
if(savedvals[*index].src==MPI_ANY_SOURCE)
- src_traced = (status != MPI_STATUSES_IGNORE)
- ? savedvals[*index].comm->group()->rank(status->MPI_SOURCE)
- : savedvals[*index].src;
+ src_traced = (status != MPI_STATUSES_IGNORE) ? savedvals[*index].comm->group()->rank(status->MPI_SOURCE)
+ : savedvals[*index].src;
TRACE_smpi_recv(src_traced, dst_traced, savedvals[*index].tag);
}
TRACE_smpi_ptp_out(rank_traced, dst_traced, __FUNCTION__);
for (int i = 0; i < count; i++) {
if(savedvals[i].valid){
- //the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
+ // the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
int src_traced = savedvals[i].src;
int dst_traced = savedvals[i].dst;
int is_wait_for_receive = savedvals[i].recv;
if (is_wait_for_receive) {
if(src_traced==MPI_ANY_SOURCE)
- src_traced = (status!=MPI_STATUSES_IGNORE) ?
- savedvals[i].comm->group()->rank(status[i].MPI_SOURCE) : savedvals[i].src;
+ src_traced = (status != MPI_STATUSES_IGNORE) ? savedvals[i].comm->group()->rank(status[i].MPI_SOURCE)
+ : savedvals[i].src;
TRACE_smpi_recv(src_traced, dst_traced,savedvals[i].tag);
}
}