return retval;
}
+/*
+ * This function starts a request returned by init functions such as
+ * MPI_Send_init(), MPI_Ssend_init (see above), and friends.
+ * They should already have performed sanity checks.
+ */
int PMPI_Start(MPI_Request * request)
{
int retval = 0;
if (request == nullptr || *request == MPI_REQUEST_NULL) {
retval = MPI_ERR_REQUEST;
} else {
- (*request)->start();
+ MPI_Request req = *request;
+ int my_proc_id = (req->comm() != MPI_COMM_NULL) ? simgrid::s4u::this_actor::get_pid() : -1;
+ TRACE_smpi_comm_in(my_proc_id, __func__,
+ new simgrid::instr::Pt2PtTIData("Start", req->dst(),
+ req->size(),
+ req->tag(),
+ simgrid::smpi::Datatype::encode(req->type())));
+ if (not TRACE_smpi_view_internals() && req->flags() & MPI_REQ_SEND)
+ TRACE_smpi_send(my_proc_id, my_proc_id, getPid(req->comm(), req->dst()), req->tag(), req->size());
+
+ req->start();
+
+ if (not TRACE_smpi_view_internals() && req->flags() & MPI_REQ_RECV)
+ TRACE_smpi_recv(getPid(req->comm(), req->src()), my_proc_id, req->tag());
retval = MPI_SUCCESS;
+ TRACE_smpi_comm_out(my_proc_id);
}
smpi_bench_begin();
return retval;
}
}
if(retval != MPI_ERR_REQUEST) {
+ int my_proc_id = simgrid::s4u::this_actor::get_pid();
+ TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Startall"));
+ MPI_Request req = MPI_REQUEST_NULL;
+ if (not TRACE_smpi_view_internals())
+ for (int i = 0; i < count; i++) {
+ req = requests[i];
+ if (req->flags() & MPI_REQ_SEND)
+ TRACE_smpi_send(my_proc_id, my_proc_id, getPid(req->comm(), req->dst()), req->tag(), req->size());
+ }
+
simgrid::smpi::Request::startall(count, requests);
+
+ if (not TRACE_smpi_view_internals())
+ for (int i = 0; i < count; i++) {
+ req = requests[i];
+ if (req->flags() & MPI_REQ_RECV)
+ TRACE_smpi_recv(getPid(req->comm(), req->src()), my_proc_id, req->tag());
+ }
+ TRACE_smpi_comm_out(my_proc_id);
}
}
smpi_bench_begin();
if (comm == MPI_COMM_NULL) {
retval = MPI_ERR_COMM;
} else if (src == MPI_PROC_NULL) {
- simgrid::smpi::Status::empty(status);
- status->MPI_SOURCE = MPI_PROC_NULL;
+ if(status != MPI_STATUS_IGNORE){
+ simgrid::smpi::Status::empty(status);
+ status->MPI_SOURCE = MPI_PROC_NULL;
+ }
retval = MPI_SUCCESS;
} else if (src!=MPI_ANY_SOURCE && (src >= comm->group()->size() || src <0)){
retval = MPI_ERR_RANK;
retval = MPI_SUCCESS;
// the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
- if (status != MPI_STATUS_IGNORE) {
- int src_traced = getPid(comm, status->MPI_SOURCE);
- if (not TRACE_smpi_view_internals()) {
- TRACE_smpi_recv(src_traced, my_proc_id, tag);
- }
+ int src_traced=0;
+ if (status != MPI_STATUS_IGNORE)
+ src_traced = getPid(comm, status->MPI_SOURCE);
+ else
+ src_traced = getPid(comm, src);
+ if (not TRACE_smpi_view_internals()) {
+ TRACE_smpi_recv(src_traced, my_proc_id, tag);
}
+
TRACE_smpi_comm_out(my_proc_id);
}
if (request == nullptr || flag == nullptr) {
retval = MPI_ERR_ARG;
} else if (*request == MPI_REQUEST_NULL) {
- *flag= true;
- simgrid::smpi::Status::empty(status);
+ if (status != MPI_STATUS_IGNORE){
+ *flag= true;
+ simgrid::smpi::Status::empty(status);
+ }
retval = MPI_SUCCESS;
} else {
int my_proc_id = ((*request)->comm() != MPI_COMM_NULL) ? simgrid::s4u::this_actor::get_pid() : -1;
int retval = 0;
smpi_bench_end();
- if (status == nullptr) {
- retval = MPI_ERR_ARG;
- } else if (comm == MPI_COMM_NULL) {
+ if (comm == MPI_COMM_NULL) {
retval = MPI_ERR_COMM;
} else if (source == MPI_PROC_NULL) {
- simgrid::smpi::Status::empty(status);
- status->MPI_SOURCE = MPI_PROC_NULL;
+ if (status != MPI_STATUS_IGNORE){
+ simgrid::smpi::Status::empty(status);
+ status->MPI_SOURCE = MPI_PROC_NULL;
+ }
retval = MPI_SUCCESS;
} else {
simgrid::smpi::Request::probe(source, tag, comm, status);
retval = MPI_ERR_COMM;
} else if (source == MPI_PROC_NULL) {
*flag=true;
- simgrid::smpi::Status::empty(status);
- status->MPI_SOURCE = MPI_PROC_NULL;
+ if (status != MPI_STATUS_IGNORE){
+ simgrid::smpi::Status::empty(status);
+ status->MPI_SOURCE = MPI_PROC_NULL;
+ }
retval = MPI_SUCCESS;
} else {
simgrid::smpi::Request::iprobe(source, tag, comm, flag, status);
int src_traced = req->src();
// the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
int dst_traced = req->dst();
- if (req->flags() & RECV) { // Is this request a wait for RECV?
+ if (req->flags() & MPI_REQ_RECV) { // Is this request a wait for RECV?
if (src_traced == MPI_ANY_SOURCE)
- src_traced = (status != MPI_STATUSES_IGNORE) ? req->comm()->group()->rank(status->MPI_SOURCE) : req->src();
+ src_traced = (status != MPI_STATUS_IGNORE) ? req->comm()->group()->rank(status->MPI_SOURCE) : req->src();
TRACE_smpi_recv(src_traced, dst_traced, req->tag());
}
}
} else if (*request == MPI_REQUEST_NULL) {
retval = MPI_SUCCESS;
} else {
+ //for tracing, save the handle which might get overriden before we can use the helper on it
+ MPI_Request savedreq=*request;
+ if (savedreq!=MPI_REQUEST_NULL && not(savedreq->flags() & MPI_REQ_FINISHED))
+ savedreq->ref();//don't erase te handle in Request::wait, we'll need it later
int my_proc_id = (*request)->comm() != MPI_COMM_NULL
? simgrid::s4u::this_actor::get_pid()
: -1; // TODO: cheinrich: Check if this correct or if it should be MPI_UNDEFINED
//the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
TRACE_smpi_comm_out(my_proc_id);
- trace_smpi_recv_helper(request, status);
+ trace_smpi_recv_helper(&savedreq, status);
+ if (savedreq!=MPI_REQUEST_NULL)
+ simgrid::smpi::Request::unref(&savedreq);
}
smpi_bench_begin();
return MPI_SUCCESS;
smpi_bench_end();
+ //for tracing, save the handles which might get overriden before we can use the helper on it
+ MPI_Request* savedreqs= static_cast<MPI_Request*>(xbt_malloc(count * sizeof(MPI_Request)));
+ memcpy(savedreqs, requests, count * sizeof(MPI_Request));
+ for(int i=0; i<count; i++)
+ if (savedreqs[i]!=MPI_REQUEST_NULL && not(savedreqs[i]->flags() & MPI_REQ_FINISHED))
+ savedreqs[i]->ref();
int rank_traced = simgrid::s4u::this_actor::get_pid(); // FIXME: In PMPI_Wait, we check if the comm is null?
TRACE_smpi_comm_in(rank_traced, __func__, new simgrid::instr::CpuTIData("waitAny", static_cast<double>(count)));
*index = simgrid::smpi::Request::waitany(count, requests, status);
if(*index!=MPI_UNDEFINED){
- trace_smpi_recv_helper(&requests[*index], status);
+ trace_smpi_recv_helper(&savedreqs[*index], status);
TRACE_smpi_comm_out(rank_traced);
+ requests[*index] = MPI_REQUEST_NULL;
}
+
+ for(int i=0; i<count; i++)
+ if (savedreqs[i]!=MPI_REQUEST_NULL && not(savedreqs[i]->flags() & MPI_REQ_FINISHED))
+ simgrid::smpi::Request::unref(&(savedreqs[i]));
+ xbt_free(savedreqs);
smpi_bench_begin();
return MPI_SUCCESS;
{
smpi_bench_end();
+ //for tracing, save the handles which might get overriden before we can use the helper on it
+ MPI_Request* savedreqs= static_cast<MPI_Request*>(xbt_malloc(count * sizeof(MPI_Request)));
+ memcpy(savedreqs, requests, count * sizeof(MPI_Request));
+ for(int i=0; i<count; i++)
+ if (savedreqs[i]!=MPI_REQUEST_NULL && not(savedreqs[i]->flags() & MPI_REQ_FINISHED))
+ savedreqs[i]->ref();
+
int rank_traced = simgrid::s4u::this_actor::get_pid(); // FIXME: In PMPI_Wait, we check if the comm is null?
TRACE_smpi_comm_in(rank_traced, __func__, new simgrid::instr::CpuTIData("waitAll", static_cast<double>(count)));
int retval = simgrid::smpi::Request::waitall(count, requests, status);
for (int i = 0; i < count; i++) {
- trace_smpi_recv_helper(&requests[i], &status[i]);
+ trace_smpi_recv_helper(&savedreqs[i], status!=MPI_STATUSES_IGNORE ? &status[i]: MPI_STATUS_IGNORE);
}
TRACE_smpi_comm_out(rank_traced);
+ for(int i=0; i<count; i++)
+ if (savedreqs[i]!=MPI_REQUEST_NULL && not(savedreqs[i]->flags() & MPI_REQ_FINISHED))
+ simgrid::smpi::Request::unref(&(savedreqs[i]));
+ xbt_free(savedreqs);
+
smpi_bench_begin();
return retval;
}
return retval;
}
+int PMPI_Cancel(MPI_Request* request)
+{
+ int retval = 0;
+
+ smpi_bench_end();
+ if (*request == MPI_REQUEST_NULL) {
+ retval = MPI_ERR_REQUEST;
+ } else {
+ (*request)->cancel();
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin();
+ return retval;
+}
+
+int PMPI_Test_cancelled(MPI_Status* status, int* flag){
+ if(status==MPI_STATUS_IGNORE){
+ *flag=0;
+ return MPI_ERR_ARG;
+ }
+ *flag=simgrid::smpi::Status::cancelled(status);
+ return MPI_SUCCESS;
+}
+
MPI_Request PMPI_Request_f2c(MPI_Fint request){
return static_cast<MPI_Request>(simgrid::smpi::Request::f2c(request));
}