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[SMPI] Move the pid calls to helper function that has more checks
[simgrid.git] / src / smpi / bindings / smpi_pmpi_request.cpp
index 81dbe1b..49efe86 100644 (file)
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(smpi_pmpi);
 
+static int getPid(MPI_Comm, int);
+static int getPid(MPI_Comm comm, int id)
+{
+  simgrid::s4u::ActorPtr actor = comm->group()->actor(id);
+  return (actor == nullptr) ? MPI_UNDEFINED : actor->getPid() - 1;
+}
+
 /* PMPI User level calls */
 extern "C" { // Obviously, the C MPI interface should use the C linkage
 
@@ -158,24 +165,17 @@ int PMPI_Irecv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MP
   } else {
 
     int rank       = smpi_process()->index();
-    int src_traced = comm->group()->index(src);
-
-    instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
-    extra->type = TRACING_IRECV;
-    extra->src = src_traced;
-    extra->dst = rank;
-    int known=0;
-    extra->datatype1 = encode_datatype(datatype, &known);
-    int dt_size_send = 1;
-    if(known==0)
-      dt_size_send = datatype->size();
-    extra->send_size = count*dt_size_send;
-    TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
+    int src_traced = getPid(comm, src);
+
+    TRACE_smpi_comm_in(rank, __FUNCTION__,
+                       new simgrid::instr::Pt2PtTIData("Irecv", src_traced,
+                                                       datatype->is_replayable() ? count : count * datatype->size(),
+                                                       encode_datatype(datatype)));
 
     *request = simgrid::smpi::Request::irecv(buf, count, datatype, src, tag, comm);
     retval = MPI_SUCCESS;
 
-    TRACE_smpi_ptp_out(rank, rank, __FUNCTION__);
+    TRACE_smpi_comm_out(rank);
   }
 
   smpi_bench_begin();
@@ -206,25 +206,19 @@ int PMPI_Isend(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MP
   } else if(tag<0 && tag !=  MPI_ANY_TAG){
     retval = MPI_ERR_TAG;
   } else {
-    int rank               = smpi_process()->index();
-    int dst_traced = comm->group()->index(dst);
-    instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
-    extra->type = TRACING_ISEND;
-    extra->src = rank;
-    extra->dst = dst_traced;
-    int known=0;
-    extra->datatype1 = encode_datatype(datatype, &known);
-    int dt_size_send = 1;
-    if(known==0)
-      dt_size_send = datatype->size();
-    extra->send_size = count*dt_size_send;
-    TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
-    TRACE_smpi_send(rank, rank, dst_traced, tag, count*datatype->size());
+    int rank      = smpi_process()->index();
+    int trace_dst = getPid(comm, dst);
+    TRACE_smpi_comm_in(rank, __FUNCTION__,
+                       new simgrid::instr::Pt2PtTIData("Isend", trace_dst,
+                                                       datatype->is_replayable() ? count : count * datatype->size(),
+                                                       encode_datatype(datatype)));
+
+    TRACE_smpi_send(rank, rank, trace_dst, tag, count * datatype->size());
 
     *request = simgrid::smpi::Request::isend(buf, count, datatype, dst, tag, comm);
     retval = MPI_SUCCESS;
 
-    TRACE_smpi_ptp_out(rank, dst_traced, __FUNCTION__);
+    TRACE_smpi_comm_out(rank);
   }
 
   smpi_bench_begin();
@@ -254,25 +248,18 @@ int PMPI_Issend(void* buf, int count, MPI_Datatype datatype, int dst, int tag, M
   } else if(tag<0 && tag !=  MPI_ANY_TAG){
     retval = MPI_ERR_TAG;
   } else {
-    int rank               = smpi_process()->index();
-    int dst_traced = comm->group()->index(dst);
-    instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
-    extra->type = TRACING_ISSEND;
-    extra->src = rank;
-    extra->dst = dst_traced;
-    int known=0;
-    extra->datatype1 = encode_datatype(datatype, &known);
-    int dt_size_send = 1;
-    if(known==0)
-      dt_size_send = datatype->size();
-    extra->send_size = count*dt_size_send;
-    TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
-    TRACE_smpi_send(rank, rank, dst_traced, tag, count*datatype->size());
+    int rank      = smpi_process()->index();
+    int trace_dst = getPid(comm, dst);
+    TRACE_smpi_comm_in(rank, __FUNCTION__,
+                       new simgrid::instr::Pt2PtTIData("ISsend", trace_dst,
+                                                       datatype->is_replayable() ? count : count * datatype->size(),
+                                                       encode_datatype(datatype)));
+    TRACE_smpi_send(rank, rank, trace_dst, tag, count * datatype->size());
 
     *request = simgrid::smpi::Request::issend(buf, count, datatype, dst, tag, comm);
     retval = MPI_SUCCESS;
 
-    TRACE_smpi_ptp_out(rank, dst_traced, __FUNCTION__);
+    TRACE_smpi_comm_out(rank);
   }
 
   smpi_bench_begin();
@@ -302,30 +289,23 @@ int PMPI_Recv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI
     retval = MPI_ERR_TAG;
   } else {
     int rank               = smpi_process()->index();
-    int src_traced         = comm->group()->index(src);
-    instr_extra_data extra = xbt_new0(s_instr_extra_data_t, 1);
-    extra->type            = TRACING_RECV;
-    extra->src             = src_traced;
-    extra->dst             = rank;
-    int known              = 0;
-    extra->datatype1       = encode_datatype(datatype, &known);
-    int dt_size_send       = 1;
-    if (known == 0)
-      dt_size_send   = datatype->size();
-    extra->send_size = count * dt_size_send;
-    TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
+    int src_traced         = getPid(comm, src);
+    TRACE_smpi_comm_in(rank, __FUNCTION__,
+                       new simgrid::instr::Pt2PtTIData("recv", src_traced,
+                                                       datatype->is_replayable() ? count : count * datatype->size(),
+                                                       encode_datatype(datatype)));
 
     simgrid::smpi::Request::recv(buf, count, datatype, src, tag, comm, status);
     retval = MPI_SUCCESS;
 
     // the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
     if (status != MPI_STATUS_IGNORE) {
-      src_traced = comm->group()->index(status->MPI_SOURCE);
+      src_traced = getPid(comm, status->MPI_SOURCE);
       if (not TRACE_smpi_view_internals()) {
         TRACE_smpi_recv(src_traced, rank, tag);
       }
     }
-    TRACE_smpi_ptp_out(rank, rank, __FUNCTION__);
+    TRACE_smpi_comm_out(rank);
   }
 
   smpi_bench_begin();
@@ -352,19 +332,11 @@ int PMPI_Send(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI
     retval = MPI_ERR_TAG;
   } else {
     int rank               = smpi_process()->index();
-    int dst_traced         = comm->group()->index(dst);
-    instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
-    extra->type            = TRACING_SEND;
-    extra->src             = rank;
-    extra->dst             = dst_traced;
-    int known              = 0;
-    extra->datatype1       = encode_datatype(datatype, &known);
-    int dt_size_send       = 1;
-    if (known == 0) {
-      dt_size_send = datatype->size();
-    }
-    extra->send_size = count*dt_size_send;
-    TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
+    int dst_traced         = getPid(comm, dst);
+    TRACE_smpi_comm_in(rank, __FUNCTION__,
+                       new simgrid::instr::Pt2PtTIData("send", dst_traced,
+                                                       datatype->is_replayable() ? count : count * datatype->size(),
+                                                       encode_datatype(datatype)));
     if (not TRACE_smpi_view_internals()) {
       TRACE_smpi_send(rank, rank, dst_traced, tag,count*datatype->size());
     }
@@ -372,7 +344,7 @@ int PMPI_Send(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI
     simgrid::smpi::Request::send(buf, count, datatype, dst, tag, comm);
     retval = MPI_SUCCESS;
 
-    TRACE_smpi_ptp_out(rank, dst_traced, __FUNCTION__);
+    TRACE_smpi_comm_out(rank);
   }
 
   smpi_bench_begin();
@@ -398,25 +370,17 @@ int PMPI_Ssend(void* buf, int count, MPI_Datatype datatype, int dst, int tag, MP
     retval = MPI_ERR_TAG;
   } else {
     int rank               = smpi_process()->index();
-    int dst_traced         = comm->group()->index(dst);
-    instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
-    extra->type            = TRACING_SSEND;
-    extra->src             = rank;
-    extra->dst             = dst_traced;
-    int known              = 0;
-    extra->datatype1       = encode_datatype(datatype, &known);
-    int dt_size_send       = 1;
-    if(known == 0) {
-      dt_size_send = datatype->size();
-    }
-    extra->send_size = count*dt_size_send;
-    TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
-    TRACE_smpi_send(rank, rank, dst_traced, tag,count*datatype->size());
+    int dst_traced         = getPid(comm, dst);
+    TRACE_smpi_comm_in(rank, __FUNCTION__,
+                       new simgrid::instr::Pt2PtTIData("Ssend", dst_traced,
+                                                       datatype->is_replayable() ? count : count * datatype->size(),
+                                                       encode_datatype(datatype)));
+    TRACE_smpi_send(rank, rank, dst_traced, tag, count * datatype->size());
 
     simgrid::smpi::Request::ssend(buf, count, datatype, dst, tag, comm);
     retval = MPI_SUCCESS;
 
-    TRACE_smpi_ptp_out(rank, dst_traced, __FUNCTION__);
+    TRACE_smpi_comm_out(rank);
   }
 
   smpi_bench_begin();
@@ -447,35 +411,29 @@ int PMPI_Sendrecv(void* sendbuf, int sendcount, MPI_Datatype sendtype, int dst,
   } else if((sendtag<0 && sendtag !=  MPI_ANY_TAG)||(recvtag<0 && recvtag != MPI_ANY_TAG)){
     retval = MPI_ERR_TAG;
   } else {
-
     int rank               = smpi_process()->index();
-    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);
+    int dst_traced         = getPid(comm, dst);
+    int src_traced         = getPid(comm, src);
+
+    // FIXME: Hack the way to trace this one
+    std::vector<int>* dst_hack = new std::vector<int>;
+    std::vector<int>* src_hack = new std::vector<int>;
+    dst_hack->push_back(dst_traced);
+    src_hack->push_back(src_traced);
+    TRACE_smpi_comm_in(rank, __FUNCTION__,
+                       new simgrid::instr::VarCollTIData(
+                           "sendRecv", -1, sendtype->is_replayable() ? sendcount : sendcount * sendtype->size(), dst_hack,
+                           recvtype->is_replayable() ? recvcount : recvcount * recvtype->size(), src_hack,
+                           encode_datatype(sendtype), encode_datatype(recvtype)));
+
     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);
+    TRACE_smpi_comm_out(rank);
   }
 
   smpi_bench_begin();
@@ -516,9 +474,7 @@ int PMPI_Test(MPI_Request * request, int *flag, MPI_Status * status)
   } else {
     int rank = ((*request)->comm() != MPI_COMM_NULL) ? smpi_process()->index() : -1;
 
-    instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
-    extra->type = TRACING_TEST;
-    TRACE_smpi_testing_in(rank, extra);
+    TRACE_smpi_testing_in(rank);
 
     *flag = simgrid::smpi::Request::test(request,status);
 
@@ -600,6 +556,23 @@ int PMPI_Iprobe(int source, int tag, MPI_Comm comm, int* flag, MPI_Status* statu
   return retval;
 }
 
+// TODO: cheinrich: Move declaration to other file? Rename this function - it's used for PMPI_Wait*?
+static void trace_smpi_recv_helper(MPI_Request* request, MPI_Status* status);
+static void trace_smpi_recv_helper(MPI_Request* request, MPI_Status* status)
+{
+  MPI_Request req = *request;
+  if (req != MPI_REQUEST_NULL) { // Received requests become null
+    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 (src_traced == MPI_ANY_SOURCE)
+        src_traced = (status != MPI_STATUSES_IGNORE) ? req->comm()->group()->rank(status->MPI_SOURCE) : req->src();
+      TRACE_smpi_recv(src_traced, dst_traced, req->tag());
+    }
+  }
+}
+
 int PMPI_Wait(MPI_Request * request, MPI_Status * status)
 {
   int retval = 0;
@@ -615,25 +588,14 @@ int PMPI_Wait(MPI_Request * request, MPI_Status * status)
   } else {
     int rank = (*request)->comm() != MPI_COMM_NULL ? smpi_process()->index() : -1;
 
-    int src_traced = (*request)->src();
-    int dst_traced = (*request)->dst();
-    int tag_traced= (*request)->tag();
-    MPI_Comm comm = (*request)->comm();
-    int is_wait_for_receive = ((*request)->flags() & RECV);
-    instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
-    extra->type = TRACING_WAIT;
-    TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
+    TRACE_smpi_comm_in(rank, __FUNCTION__, new simgrid::instr::NoOpTIData("wait"));
 
     simgrid::smpi::Request::wait(request, status);
     retval = MPI_SUCCESS;
 
     //the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
-    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;
-      TRACE_smpi_recv(src_traced, dst_traced, tag_traced);
-    }
+    TRACE_smpi_comm_out(rank);
+    trace_smpi_recv_helper(request, status);
   }
 
   smpi_bench_begin();
@@ -649,44 +611,16 @@ int PMPI_Waitany(int count, MPI_Request requests[], int *index, MPI_Status * sta
     return MPI_SUCCESS;
 
   smpi_bench_end();
-  //save requests information for tracing
-  struct savedvalstype {
-    int src;
-    int dst;
-    int recv;
-    int tag;
-    MPI_Comm comm;
-  };
-  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) {
-      savedvals[i]=(savedvalstype){req->src(), req->dst(), (req->flags() & RECV), req->tag(), req->comm()};
-    }
-  }
-  int rank_traced = smpi_process()->index();
-  instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
-  extra->type = TRACING_WAITANY;
-  extra->send_size=count;
-  TRACE_smpi_ptp_in(rank_traced, __FUNCTION__,extra);
+  int rank_traced = smpi_process()->index(); // FIXME: In PMPI_Wait, we check if the comm is null?
+  TRACE_smpi_comm_in(rank_traced, __FUNCTION__, new simgrid::instr::CpuTIData("waitAny", static_cast<double>(count)));
 
   *index = simgrid::smpi::Request::waitany(count, requests, status);
 
   if(*index!=MPI_UNDEFINED){
-    int src_traced = savedvals[*index].src;
-    //the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
-    int dst_traced = savedvals[*index].dst;
-    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;
-      TRACE_smpi_recv(src_traced, dst_traced, savedvals[*index].tag);
-    }
-    TRACE_smpi_ptp_out(rank_traced, dst_traced, __FUNCTION__);
+    trace_smpi_recv_helper(&requests[*index], status);
+    TRACE_smpi_comm_out(rank_traced);
   }
-  xbt_free(savedvals);
 
   smpi_bench_begin();
   return MPI_SUCCESS;
@@ -695,49 +629,16 @@ int PMPI_Waitany(int count, MPI_Request requests[], int *index, MPI_Status * sta
 int PMPI_Waitall(int count, MPI_Request requests[], MPI_Status status[])
 {
   smpi_bench_end();
-  //save information from requests
-  struct savedvalstype {
-    int src;
-    int dst;
-    int recv;
-    int tag;
-    int valid;
-    MPI_Comm comm;
-  };
-  savedvalstype* savedvals=xbt_new0(savedvalstype, count);
 
-  for (int i = 0; i < count; i++) {
-    MPI_Request req = requests[i];
-    if(req!=MPI_REQUEST_NULL){
-      savedvals[i]=(savedvalstype){req->src(), req->dst(), (req->flags() & RECV), req->tag(), 1, req->comm()};
-    }else{
-      savedvals[i].valid=0;
-    }
-  }
-  int rank_traced = smpi_process()->index();
-  instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
-  extra->type = TRACING_WAITALL;
-  extra->send_size=count;
-  TRACE_smpi_ptp_in(rank_traced, __FUNCTION__,extra);
+  int rank_traced = smpi_process()->index(); // FIXME: In PMPI_Wait, we check if the comm is null?
+  TRACE_smpi_comm_in(rank_traced, __FUNCTION__, 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++) {
-    if(savedvals[i].valid){
-      // 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;
-        TRACE_smpi_recv(src_traced, dst_traced,savedvals[i].tag);
-      }
-    }
+    trace_smpi_recv_helper(&requests[i], &status[i]);
   }
-  TRACE_smpi_ptp_out(rank_traced, -1, __FUNCTION__);
-  xbt_free(savedvals);
+  TRACE_smpi_comm_out(rank_traced);
 
   smpi_bench_begin();
   return retval;