X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/dadb783835c77b9af0262d3a93a0815538b17a96..c94e821e152ba209559e8b646a70c4a77849f13e:/src/smpi/smpi_base.c

diff --git a/src/smpi/smpi_base.c b/src/smpi/smpi_base.c
index 823a5eb253..f5a219247d 100644
--- a/src/smpi/smpi_base.c
+++ b/src/smpi/smpi_base.c
@@ -119,10 +119,10 @@ static xbt_dynar_t parse_factor(const char *smpi_coef_string)
 
 static double smpi_os(double size)
 {
-  if (!smpi_os_values)
-    smpi_os_values =
-        parse_factor(sg_cfg_get_string("smpi/os"));
-
+  if (!smpi_os_values) {
+    smpi_os_values = parse_factor(sg_cfg_get_string("smpi/os"));
+    smpi_register_static(smpi_os_values, xbt_dynar_free_voidp);
+  }
   unsigned int iter = 0;
   s_smpi_factor_t fact;
   double current=0.0;
@@ -141,10 +141,10 @@ static double smpi_os(double size)
 
 static double smpi_ois(double size)
 {
-  if (!smpi_ois_values)
-    smpi_ois_values =
-        parse_factor(sg_cfg_get_string("smpi/ois"));
-
+  if (!smpi_ois_values) {
+    smpi_ois_values = parse_factor(sg_cfg_get_string("smpi/ois"));
+    smpi_register_static(smpi_ois_values, xbt_dynar_free_voidp);
+  }
   unsigned int iter = 0;
   s_smpi_factor_t fact;
   double current=0.0;
@@ -163,10 +163,10 @@ static double smpi_ois(double size)
 
 static double smpi_or(double size)
 {
-  if (!smpi_or_values)
-    smpi_or_values =
-        parse_factor(sg_cfg_get_string("smpi/or"));
-
+  if (!smpi_or_values) {
+    smpi_or_values = parse_factor(sg_cfg_get_string("smpi/or"));
+    smpi_register_static(smpi_or_values, xbt_dynar_free_voidp);
+  }
   unsigned int iter = 0;
   s_smpi_factor_t fact;
   double current=0.0;
@@ -197,7 +197,7 @@ static MPI_Request build_request(void *buf, int count,
   if(datatype->has_subtype == 1){
     // This part handles the problem of non-contiguous memory
     old_buf = buf;
-    buf = xbt_malloc(count*smpi_datatype_size(datatype));
+    buf = count==0 ? NULL : xbt_malloc(count*smpi_datatype_size(datatype));
     if (flags & SEND) {
       subtype->serialize(old_buf, buf, count, datatype->substruct);
     }
@@ -336,7 +336,15 @@ void smpi_mpi_start(MPI_Request request)
 
   } else {
 
+
     int receiver = smpi_group_index(smpi_comm_group(request->comm), request->dst);
+
+    #ifdef HAVE_TRACING
+      int rank = smpi_process_index();
+      if (TRACE_smpi_view_internals()) {
+        TRACE_smpi_send(rank, rank, receiver);
+      }
+    #endif
 /*    if(receiver == MPI_UNDEFINED) {*/
 /*      XBT_WARN("Trying to send a message to a wrong rank");*/
 /*      return;*/
@@ -354,7 +362,7 @@ void smpi_mpi_start(MPI_Request request)
       request->refcount++;
       if(request->old_type->has_subtype == 0){
         oldbuf = request->buf;
-        if (oldbuf){
+        if (oldbuf && request->size!=0){
           request->buf = xbt_malloc(request->size);
           memcpy(request->buf,oldbuf,request->size);
         }
@@ -390,6 +398,7 @@ void smpi_mpi_start(MPI_Request request)
     /* FIXME: detached sends are not traceable (request->action == NULL) */
     if (request->action)
       simcall_set_category(request->action, TRACE_internal_smpi_get_category());
+
 #endif
 
   }
@@ -531,13 +540,14 @@ int smpi_mpi_get_count(MPI_Status * status, MPI_Datatype datatype)
 static void finish_wait(MPI_Request * request, MPI_Status * status)
 {
   MPI_Request req = *request;
+  if(status != MPI_STATUS_IGNORE)
+    smpi_empty_status(status);
+
   if(!(req->detached && req->flags & SEND)){
     if(status != MPI_STATUS_IGNORE) {
       status->MPI_SOURCE = req->src == MPI_ANY_SOURCE ? req->real_src : req->src;
       status->MPI_TAG = req->tag == MPI_ANY_TAG ? req->real_tag : req->tag;
-      if(req->truncated)
-      status->MPI_ERROR = MPI_ERR_TRUNCATE;
-      else status->MPI_ERROR = MPI_SUCCESS ;
+      status->MPI_ERROR = req->truncated ? MPI_ERR_TRUNCATE : MPI_SUCCESS;
       // this handles the case were size in receive differs from size in send
       // FIXME: really this should just contain the count of receive-type blocks,
       // right?
@@ -557,8 +567,19 @@ static void finish_wait(MPI_Request * request, MPI_Status * status)
       if(req->detached == 0) free(req->buf);
     }
     smpi_datatype_unuse(datatype);
+
   }
 
+#ifdef HAVE_TRACING
+    if (TRACE_smpi_view_internals()) {
+      if(req->flags & RECV){
+        int rank = smpi_process_index();
+        int  src_traced = smpi_group_index(smpi_comm_group(req->comm), req->src == MPI_ANY_SOURCE ? req->real_src : req->src);
+        TRACE_smpi_recv(rank, src_traced, rank);
+      }
+    }
+#endif
+
   if(req->detached_sender!=NULL){
     smpi_mpi_request_free(&(req->detached_sender));
   }
@@ -579,8 +600,8 @@ int smpi_mpi_test(MPI_Request * request, MPI_Status * status) {
   else
     flag = simcall_comm_test((*request)->action);
   if(flag) {
-    (*request)->refcount++;
     finish_wait(request, status);
+    request=MPI_REQUEST_NULL;
   }else{
     smpi_empty_status(status);
   }
@@ -766,33 +787,32 @@ int smpi_mpi_waitall(int count, MPI_Request requests[],
   int  index, c;
   MPI_Status stat;
   MPI_Status *pstat = status == MPI_STATUSES_IGNORE ? MPI_STATUS_IGNORE : &stat;
-  int retvalue=MPI_SUCCESS;
+  int retvalue = MPI_SUCCESS;
   //tag invalid requests in the set
-  for(c = 0; c < count; c++) {
-    if(requests[c]==MPI_REQUEST_NULL || requests[c]->dst == MPI_PROC_NULL ){
-      if(status != MPI_STATUSES_IGNORE)
+  if (status != MPI_STATUSES_IGNORE) {
+    for (c = 0; c < count; c++) {
+      if (requests[c] == MPI_REQUEST_NULL || requests[c]->dst == MPI_PROC_NULL) {
         smpi_empty_status(&status[c]);
-    }else if(requests[c]->src == MPI_PROC_NULL ){
-      if(status != MPI_STATUSES_IGNORE) {
+      } else if (requests[c]->src == MPI_PROC_NULL) {
         smpi_empty_status(&status[c]);
-        status[c].MPI_SOURCE=MPI_PROC_NULL;
+        status[c].MPI_SOURCE = MPI_PROC_NULL;
       }
     }
   }
   for(c = 0; c < count; c++) {
-      if(MC_is_active()) {
-        smpi_mpi_wait(&requests[c], pstat);
-        index = c;
-      } else {
-        index = smpi_mpi_waitany(count, requests, pstat);
-        if(index == MPI_UNDEFINED) {
-          break;
-       }
-      if (status != MPI_STATUSES_IGNORE) {
-        status[index] = *pstat;
-        if (status[index].MPI_ERROR == MPI_ERR_TRUNCATE)
-          retvalue = MPI_ERR_IN_STATUS;
-      }
+    if (MC_is_active()) {
+      smpi_mpi_wait(&requests[c], pstat);
+      index = c;
+    } else {
+      index = smpi_mpi_waitany(count, requests, pstat);
+      if (index == MPI_UNDEFINED)
+        break;
+      requests[index]=MPI_REQUEST_NULL;
+    }
+    if (status != MPI_STATUSES_IGNORE) {
+      status[index] = *pstat;
+      if (status[index].MPI_ERROR == MPI_ERR_TRUNCATE)
+        retvalue = MPI_ERR_IN_STATUS;
     }
   }
 
@@ -816,6 +836,7 @@ int smpi_mpi_waitsome(int incount, MPI_Request requests[], int *indices,
       if(status != MPI_STATUSES_IGNORE) {
         status[index] = *pstat;
       }
+     requests[index]=MPI_REQUEST_NULL;
     }else{
       return MPI_UNDEFINED;
     }
@@ -840,6 +861,8 @@ int smpi_mpi_testsome(int incount, MPI_Request requests[], int *indices,
          if(status != MPI_STATUSES_IGNORE) {
            status[i] = *pstat;
          }
+         requests[i]=MPI_REQUEST_NULL;
+
       }
     }else{
       count_dead++;