X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/b52efac1269b9d45904bc117d695b2d3f2c63376..cf507642628052d29599e6b7703e049ef28c0505:/src/smpi/mpi/smpi_comm.cpp

diff --git a/src/smpi/mpi/smpi_comm.cpp b/src/smpi/mpi/smpi_comm.cpp
index 8eb30b58c8..7722473d21 100644
--- a/src/smpi/mpi/smpi_comm.cpp
+++ b/src/smpi/mpi/smpi_comm.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010-2018. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2010-2019. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -6,9 +6,10 @@
 #include "smpi_comm.hpp"
 #include "smpi_coll.hpp"
 #include "smpi_datatype.hpp"
-#include "smpi_process.hpp"
 #include "smpi_request.hpp"
 #include "smpi_win.hpp"
+#include "smpi_info.hpp"
+#include "src/smpi/include/smpi_actor.hpp"
 #include "src/surf/HostImpl.hpp"
 
 #include <climits>
@@ -18,8 +19,6 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_comm, smpi, "Logging specific to SMPI (comm
 simgrid::smpi::Comm mpi_MPI_COMM_UNINITIALIZED;
 MPI_Comm MPI_COMM_UNINITIALIZED=&mpi_MPI_COMM_UNINITIALIZED;
 
-using simgrid::s4u::ActorPtr;
-
 /* Support for cartesian topology was added, but there are 2 other types of topology, graph et dist graph. In order to
  * support them, we have to add a field SMPI_Topo_type, and replace the MPI_Topology field by an union. */
 
@@ -29,7 +28,7 @@ namespace smpi{
 std::unordered_map<int, smpi_key_elem> Comm::keyvals_;
 int Comm::keyval_id_=0;
 
-Comm::Comm(MPI_Group group, MPI_Topology topo) : group_(group), topo_(topo)
+Comm::Comm(MPI_Group group, MPI_Topology topo, int smp) : group_(group), topo_(topo),is_smp_comm_(smp)
 {
   refcount_        = 1;
   topoType_        = MPI_INVALID_TOPO;
@@ -54,25 +53,36 @@ void Comm::destroy(Comm* comm)
 int Comm::dup(MPI_Comm* newcomm){
   if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP) {
     // we need to switch as the called function may silently touch global variables
-    smpi_switch_data_segment(simgrid::s4u::Actor::self());
+    smpi_switch_data_segment(s4u::Actor::self());
   }
   MPI_Group cp = new  Group(this->group());
   (*newcomm)   = new  Comm(cp, this->topo());
   int ret      = MPI_SUCCESS;
 
   if (not attributes()->empty()) {
-    int flag;
-    void* value_out;
+    int flag=0;
+    void* value_out=nullptr;
     for (auto const& it : *attributes()) {
       smpi_key_elem elem = keyvals_.at(it.first);
-      if (elem != nullptr && elem->copy_fn.comm_copy_fn != MPI_NULL_COPY_FN) {
-        ret = elem->copy_fn.comm_copy_fn(this, it.first, nullptr, it.second, &value_out, &flag);
+      if (elem != nullptr){
+        if( elem->copy_fn.comm_copy_fn != MPI_NULL_COPY_FN && 
+            elem->copy_fn.comm_copy_fn != MPI_COMM_DUP_FN)
+          ret = elem->copy_fn.comm_copy_fn(this, it.first, elem->extra_state, it.second, &value_out, &flag);
+        else if ( elem->copy_fn.comm_copy_fn_fort != MPI_NULL_COPY_FN &&
+                  *(int*)*elem->copy_fn.comm_copy_fn_fort != 1){
+          value_out=(int*)xbt_malloc(sizeof(int));
+          elem->copy_fn.comm_copy_fn_fort(this, it.first, elem->extra_state, it.second, value_out, &flag,&ret);
+        }
         if (ret != MPI_SUCCESS) {
           Comm::destroy(*newcomm);
           *newcomm = MPI_COMM_NULL;
           return ret;
         }
-        if (flag){
+        if (elem->copy_fn.comm_copy_fn == MPI_COMM_DUP_FN || 
+           ((elem->copy_fn.comm_copy_fn_fort != MPI_NULL_COPY_FN) && *(int*)*elem->copy_fn.comm_copy_fn_fort == 1)){
+          elem->refcount++;
+          (*newcomm)->attributes()->insert({it.first, it.second});
+        }else if (flag){
           elem->refcount++;
           (*newcomm)->attributes()->insert({it.first, value_out});
         }
@@ -89,10 +99,6 @@ MPI_Group Comm::group()
   return group_;
 }
 
-MPI_Topology Comm::topo() {
-  return topo_;
-}
-
 int Comm::size()
 {
   if (this == MPI_COMM_UNINITIALIZED)
@@ -104,7 +110,7 @@ int Comm::rank()
 {
   if (this == MPI_COMM_UNINITIALIZED)
     return smpi_process()->comm_world()->rank();
-  return group_->rank(simgrid::s4u::Actor::self());
+  return group_->rank(s4u::Actor::self());
 }
 
 void Comm::get_name (char* name, int* len)
@@ -113,14 +119,27 @@ void Comm::get_name (char* name, int* len)
     smpi_process()->comm_world()->get_name(name, len);
     return;
   }
-  if(this == MPI_COMM_WORLD) {
-    strncpy(name, "WORLD", 6);
-    *len = 5;
+  if(this == MPI_COMM_WORLD && name_.empty()) {
+    strncpy(name, "MPI_COMM_WORLD", 15);
+    *len = 14;
+  } else if(this == MPI_COMM_SELF && name_.empty()) {
+    strncpy(name, "MPI_COMM_SELF", 14);
+    *len = 13;
   } else {
-    *len = snprintf(name, MPI_MAX_NAME_STRING, "%p", this);
+    *len = snprintf(name, MPI_MAX_NAME_STRING+1, "%s", name_.c_str());
   }
 }
 
+void Comm::set_name (char* name)
+{
+  if (this == MPI_COMM_UNINITIALIZED){
+    smpi_process()->comm_world()->set_name(name);
+    return;
+  }
+  name_.replace (0, MPI_MAX_NAME_STRING+1, name);
+}
+
+
 void Comm::set_leaders_comm(MPI_Comm leaders){
   if (this == MPI_COMM_UNINITIALIZED){
     smpi_process()->comm_world()->set_leaders_comm(leaders);
@@ -129,10 +148,6 @@ void Comm::set_leaders_comm(MPI_Comm leaders){
   leaders_comm_=leaders;
 }
 
-void Comm::set_intra_comm(MPI_Comm leaders){
-  intra_comm_=leaders;
-}
-
 int* Comm::get_non_uniform_map(){
   if (this == MPI_COMM_UNINITIALIZED)
     return smpi_process()->comm_world()->get_non_uniform_map();
@@ -169,6 +184,12 @@ int Comm::is_blocked(){
   return is_blocked_;
 }
 
+int Comm::is_smp_comm(){
+  if (this == MPI_COMM_UNINITIALIZED)
+    return smpi_process()->comm_world()->is_smp_comm();
+  return is_smp_comm_;
+}
+
 MPI_Comm Comm::split(int color, int key)
 {
   if (this == MPI_COMM_UNINITIALIZED)
@@ -179,13 +200,13 @@ MPI_Comm Comm::split(int color, int key)
   MPI_Group group_root = nullptr;
   MPI_Group group_out  = nullptr;
   MPI_Group group      = this->group();
-  int rank             = this->rank();
+  int myrank           = this->rank();
   int size             = this->size();
   /* Gather all colors and keys on rank 0 */
   int* sendbuf = xbt_new(int, 2);
   sendbuf[0] = color;
   sendbuf[1] = key;
-  if(rank == 0) {
+  if (myrank == 0) {
     recvbuf = xbt_new(int, 2 * size);
   } else {
     recvbuf = nullptr;
@@ -193,7 +214,7 @@ MPI_Comm Comm::split(int color, int key)
   Coll_gather_default::gather(sendbuf, 2, MPI_INT, recvbuf, 2, MPI_INT, 0, this);
   xbt_free(sendbuf);
   /* Do the actual job */
-  if(rank == 0) {
+  if (myrank == 0) {
     MPI_Group* group_snd = xbt_new(MPI_Group, size);
     std::vector<std::pair<int, int>> rankmap;
     rankmap.reserve(size);
@@ -215,7 +236,7 @@ MPI_Comm Comm::split(int color, int key)
           group_root = group_out; /* Save root's group */
         }
         for (unsigned j = 0; j < rankmap.size(); j++) {
-          ActorPtr actor = group->actor(rankmap[j].second);
+          s4u::ActorPtr actor = group->actor(rankmap[j].second);
           group_out->set_mapping(actor, j);
         }
         MPI_Request* requests = xbt_new(MPI_Request, rankmap.size());
@@ -296,7 +317,7 @@ void Comm::init_smp(){
 
   if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP) {
     // we need to switch as the called function may silently touch global variables
-    smpi_switch_data_segment(simgrid::s4u::Actor::self());
+    smpi_switch_data_segment(s4u::Actor::self());
   }
   //identify neighbours in comm
   //get the indices of all processes sharing the same simix host
@@ -304,7 +325,7 @@ void Comm::init_smp(){
   int intra_comm_size     = 0;
   int min_index           = INT_MAX; // the minimum index will be the leader
   for (auto& actor : process_list) {
-    int index = actor.pid_;
+    int index = actor.get_pid();
     if (this->group()->rank(actor.iface()) != MPI_UNDEFINED) { // Is this process in the current group?
       intra_comm_size++;
       if (index < min_index)
@@ -321,7 +342,7 @@ void Comm::init_smp(){
     }
   }
 
-  MPI_Comm comm_intra = new  Comm(group_intra, nullptr);
+  MPI_Comm comm_intra = new  Comm(group_intra, nullptr, 1);
   leader=min_index;
 
   int* leaders_map = new int[comm_size];
@@ -329,11 +350,11 @@ void Comm::init_smp(){
   std::fill_n(leaders_map, comm_size, 0);
   std::fill_n(leader_list, comm_size, -1);
 
-  Coll_allgather_mpich::allgather(&leader, 1, MPI_INT , leaders_map, 1, MPI_INT, this);
+  Coll_allgather_ring::allgather(&leader, 1, MPI_INT , leaders_map, 1, MPI_INT, this);
 
   if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP) {
     // we need to switch as the called function may silently touch global variables
-    smpi_switch_data_segment(simgrid::s4u::Actor::self());
+    smpi_switch_data_segment(s4u::Actor::self());
   }
 
   if(leaders_map_==nullptr){
@@ -362,18 +383,18 @@ void Comm::init_smp(){
   if(MPI_COMM_WORLD!=MPI_COMM_UNINITIALIZED && this!=MPI_COMM_WORLD){
     //create leader_communicator
     for (i=0; i< leader_group_size;i++)
-      leaders_group->set_mapping(simgrid::s4u::Actor::by_pid(leader_list[i]), i);
-    leader_comm = new  Comm(leaders_group, nullptr);
+      leaders_group->set_mapping(s4u::Actor::by_pid(leader_list[i]), i);
+    leader_comm = new  Comm(leaders_group, nullptr,1);
     this->set_leaders_comm(leader_comm);
     this->set_intra_comm(comm_intra);
 
     // create intracommunicator
   }else{
     for (i=0; i< leader_group_size;i++)
-      leaders_group->set_mapping(simgrid::s4u::Actor::by_pid(leader_list[i]), i);
+      leaders_group->set_mapping(s4u::Actor::by_pid(leader_list[i]), i);
 
     if(this->get_leaders_comm()==MPI_COMM_NULL){
-      leader_comm = new  Comm(leaders_group, nullptr);
+      leader_comm = new  Comm(leaders_group, nullptr,1);
       this->set_leaders_comm(leader_comm);
     }else{
       leader_comm=this->get_leaders_comm();
@@ -387,7 +408,7 @@ void Comm::init_smp(){
   if(comm_intra->rank()==0) {
     int is_uniform       = 1;
     int* non_uniform_map = xbt_new0(int,leader_group_size);
-    Coll_allgather_mpich::allgather(&my_local_size, 1, MPI_INT,
+    Coll_allgather_ring::allgather(&my_local_size, 1, MPI_INT,
         non_uniform_map, 1, MPI_INT, leader_comm);
     for(i=0; i < leader_group_size; i++) {
       if(non_uniform_map[0] != non_uniform_map[i]) {
@@ -402,11 +423,11 @@ void Comm::init_smp(){
     }
     is_uniform_=is_uniform;
   }
-  Coll_bcast_mpich::bcast(&(is_uniform_),1, MPI_INT, 0, comm_intra );
+  Coll_bcast_scatter_LR_allgather::bcast(&(is_uniform_),1, MPI_INT, 0, comm_intra );
 
   if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP) {
     // we need to switch as the called function may silently touch global variables
-    smpi_switch_data_segment(simgrid::s4u::Actor::self());
+    smpi_switch_data_segment(s4u::Actor::self());
   }
   // Are the ranks blocked ? = allocated contiguously on the SMP nodes
   int is_blocked=1;
@@ -483,6 +504,19 @@ void Comm::finish_rma_calls(){
   }
 }
 
+MPI_Info Comm::info(){
+  if(info_== MPI_INFO_NULL)
+    info_ = new Info();
+  info_->ref();
+  return info_;
+}
+
+void Comm::set_info(MPI_Info info){
+  if(info_!= MPI_INFO_NULL)
+    info->ref();
+  info_=info;
+}
+
 MPI_Comm Comm::split_type(int type, int key, MPI_Info info)
 {
   if(type != MPI_COMM_TYPE_SHARED){
@@ -494,7 +528,5 @@ MPI_Comm Comm::split_type(int type, int key, MPI_Info info)
   return this->get_intra_comm();
 }
 
-}
-}
-
-
+} // namespace smpi
+} // namespace simgrid