X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/6b82ca5d392ff2800f4d3a3ebc898f8330979af5..ea74f5d95928a521a588737e81f1de94eef25d19:/src/smpi/internals/smpi_actor.cpp

diff --git a/src/smpi/internals/smpi_actor.cpp b/src/smpi/internals/smpi_actor.cpp
index 7b81cdddb2..5122d0e11b 100644
--- a/src/smpi/internals/smpi_actor.cpp
+++ b/src/smpi/internals/smpi_actor.cpp
@@ -1,41 +1,46 @@
-/* Copyright (c) 2009-2019. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2009-2022. 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. */
 
 #include "src/smpi/include/smpi_actor.hpp"
 #include "mc/mc.h"
+#include "simgrid/s4u/Engine.hpp"
+#include "simgrid/s4u/Mutex.hpp"
 #include "smpi_comm.hpp"
+#include "smpi_info.hpp"
 #include "src/mc/mc_replay.hpp"
-#include "src/simix/smx_private.hpp"
 
 #if HAVE_PAPI
 #include "papi.h"
-extern std::string papi_default_config_name;
 #endif
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_process, smpi, "Logging specific to SMPI (kernel)");
 
 namespace simgrid {
 namespace smpi {
+simgrid::xbt::Extension<simgrid::s4u::Actor, ActorExt> ActorExt::EXTENSION_ID;
 
-ActorExt::ActorExt(s4u::ActorPtr actor, s4u::Barrier* finalization_barrier)
-    : finalization_barrier_(finalization_barrier), actor_(actor)
+ActorExt::ActorExt(s4u::Actor* actor) : actor_(actor)
 {
+  if (not simgrid::smpi::ActorExt::EXTENSION_ID.valid())
+    simgrid::smpi::ActorExt::EXTENSION_ID = simgrid::s4u::Actor::extension_create<simgrid::smpi::ActorExt>();
+
   mailbox_         = s4u::Mailbox::by_name("SMPI-" + std::to_string(actor_->get_pid()));
   mailbox_small_   = s4u::Mailbox::by_name("small-" + std::to_string(actor_->get_pid()));
   mailboxes_mutex_ = s4u::Mutex::create();
   timer_           = xbt_os_timer_new();
   state_           = SmpiProcessState::UNINITIALIZED;
+  info_env_        = MPI_INFO_NULL;
   if (MC_is_active())
     MC_ignore_heap(timer_, xbt_os_timer_size());
 
 #if HAVE_PAPI
-  if (not simgrid::config::get_value<std::string>("smpi/papi-events").empty()) {
+  if (not smpi_cfg_papi_events_file().empty()) {
     // TODO: Implement host/process/thread based counters. This implementation
     // just always takes the values passed via "default", like this:
     // "default:COUNTER1:COUNTER2:COUNTER3;".
-    auto it = units2papi_setup.find(papi_default_config_name);
+    auto it = units2papi_setup.find("default");
     if (it != units2papi_setup.end()) {
       papi_event_set_    = it->second.event_set;
       papi_counter_data_ = it->second.counter_data;
@@ -50,53 +55,37 @@ ActorExt::ActorExt(s4u::ActorPtr actor, s4u::Barrier* finalization_barrier)
 
 ActorExt::~ActorExt()
 {
-  if (comm_self_ != MPI_COMM_NULL)
-    simgrid::smpi::Comm::destroy(comm_self_);
-  if (comm_intra_ != MPI_COMM_NULL)
-    simgrid::smpi::Comm::destroy(comm_intra_);
   xbt_os_timer_free(timer_);
 }
 
-void ActorExt::set_data(const char* instance_id)
-{
-  instance_id_                   = std::string(instance_id);
-  comm_world_                    = smpi_deployment_comm_world(instance_id_);
-  simgrid::s4u::Barrier* barrier = smpi_deployment_finalization_barrier(instance_id_);
-  if (barrier != nullptr) // don't overwrite the current one if the instance has none
-    finalization_barrier_ = barrier;
-
-  // set the process attached to the mailbox
-  mailbox_small_->set_receiver(actor_);
-  XBT_DEBUG("<%ld> SMPI process has been initialized: %p", actor_->get_pid(), actor_.get());
-}
-
 /** @brief Prepares the current process for termination. */
 void ActorExt::finalize()
 {
   state_ = SmpiProcessState::FINALIZED;
   XBT_DEBUG("<%ld> Process left the game", actor_->get_pid());
-
-  // This leads to an explosion of the search graph which cannot be reduced:
-  if (MC_is_active() || MC_record_replay_is_active())
-    return;
-  // wait for all pending asynchronous comms to finish
-  finalization_barrier_->wait();
+  if (info_env_ != MPI_INFO_NULL)
+    simgrid::smpi::Info::unref(info_env_);
+  if (comm_self_ != MPI_COMM_NULL)
+    simgrid::smpi::Comm::destroy(comm_self_);
+  if (comm_intra_ != MPI_COMM_NULL)
+    simgrid::smpi::Comm::destroy(comm_intra_);
+  smpi_deployment_unregister_process(instance_id_);
 }
 
 /** @brief Check if a process is finalized */
-int ActorExt::finalized()
+int ActorExt::finalized() const
 {
   return (state_ == SmpiProcessState::FINALIZED);
 }
 
 /** @brief Check if a process is partially initialized already */
-int ActorExt::initializing()
+int ActorExt::initializing() const
 {
   return (state_ == SmpiProcessState::INITIALIZING);
 }
 
 /** @brief Check if a process is initialized */
-int ActorExt::initialized()
+int ActorExt::initialized() const
 {
   // TODO cheinrich: Check if we still need this. This should be a global condition, not for a
   // single process ... ?
@@ -116,7 +105,7 @@ void ActorExt::set_replaying(bool value)
     replaying_ = value;
 }
 
-bool ActorExt::replaying()
+bool ActorExt::replaying() const
 {
   return replaying_;
 }
@@ -141,23 +130,23 @@ void ActorExt::set_privatized_region(smpi_privatization_region_t region)
   privatized_region_ = region;
 }
 
-smpi_privatization_region_t ActorExt::privatized_region()
+smpi_privatization_region_t ActorExt::privatized_region() const
 {
   return privatized_region_;
 }
 
-MPI_Comm ActorExt::comm_world()
+MPI_Comm ActorExt::comm_world() const
 {
   return comm_world_ == nullptr ? MPI_COMM_NULL : *comm_world_;
 }
 
-s4u::MutexPtr ActorExt::mailboxes_mutex()
+s4u::MutexPtr ActorExt::mailboxes_mutex() const
 {
   return mailboxes_mutex_;
 }
 
 #if HAVE_PAPI
-int ActorExt::papi_event_set()
+int ActorExt::papi_event_set() const
 {
   return papi_event_set_;
 }
@@ -175,24 +164,32 @@ xbt_os_timer_t ActorExt::timer()
 
 void ActorExt::simulated_start()
 {
-  simulated_ = SIMIX_get_clock();
+  simulated_ = s4u::Engine::get_clock();
 }
 
-double ActorExt::simulated_elapsed()
+double ActorExt::simulated_elapsed() const
 {
-  return SIMIX_get_clock() - simulated_;
+  return s4u::Engine::get_clock() - simulated_;
 }
 
 MPI_Comm ActorExt::comm_self()
 {
   if (comm_self_ == MPI_COMM_NULL) {
-    MPI_Group group = new Group(1);
-    comm_self_      = new Comm(group, nullptr);
-    group->set_mapping(actor_, 0);
+    auto* group = new Group(1);
+    comm_self_  = new Comm(group, nullptr);
+    comm_self_->set_name("MPI_COMM_SELF");
+    group->set_mapping(actor_->get_pid(), 0);
   }
   return comm_self_;
 }
 
+MPI_Info ActorExt::info_env()
+{
+  if (info_env_==MPI_INFO_NULL)
+    info_env_=new Info();
+  return info_env_;
+}
+
 MPI_Comm ActorExt::comm_intra()
 {
   return comm_intra_;
@@ -208,50 +205,59 @@ void ActorExt::set_sampling(int s)
   sampling_ = s;
 }
 
-int ActorExt::sampling()
+int ActorExt::sampling() const
 {
   return sampling_;
 }
 
 void ActorExt::init()
 {
-  if (smpi_process_count() == 0) {
-    xbt_die("SimGrid was not initialized properly before entering MPI_Init. Aborting, please check compilation process "
-            "and use smpirun\n");
-  }
+  xbt_assert(smpi_get_universe_size() != 0, "SimGrid was not initialized properly before entering MPI_Init. "
+                                            "Aborting, please check compilation process and use smpirun.");
 
-  simgrid::s4u::ActorPtr proc = simgrid::s4u::Actor::self();
-  // cheinrich: I'm not sure what the impact of the SMPI_switch_data_segment on this call is. I moved
-  // this up here so that I can set the privatized region before the switch.
-  ActorExt* process = smpi_process_remote(proc);
+  ActorExt* ext = smpi_process();
   // if we are in MPI_Init and argc handling has already been done.
-  if (process->initialized())
+  if (ext->initialized())
     return;
 
-  if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP) {
-    /* Now using the segment index of this process  */
-    process->set_privatized_region(smpi_init_global_memory_segment_process());
-    /* Done at the process's creation */
-    SMPI_switch_data_segment(proc);
-  }
+  const simgrid::s4u::Actor* self = simgrid::s4u::Actor::self();
+  ext->instance_id_ = self->get_property("instance_id");
+  const int rank    = xbt_str_parse_int(self->get_property("rank"), "Cannot parse rank");
 
-  const char* instance_id = proc->get_property("instance_id");
-  const int rank          = xbt_str_parse_int(proc->get_property("rank"), "Cannot parse rank");
+  ext->state_ = SmpiProcessState::INITIALIZING;
+  smpi_deployment_register_process(ext->instance_id_, rank, self);
 
-  process->state_ = SmpiProcessState::INITIALIZING;
-  smpi_deployment_register_process(instance_id, rank, proc);
+  ext->comm_world_ = smpi_deployment_comm_world(ext->instance_id_);
 
-  process->set_data(instance_id);
+  // set the process attached to the mailbox
+  ext->mailbox_small_->set_receiver(ext->actor_);
+  XBT_DEBUG("<%ld> SMPI process has been initialized: %p", ext->actor_->get_pid(), ext->actor_);
 }
 
-int ActorExt::get_optind()
+int ActorExt::get_optind() const
 {
   return optind_;
 }
+
 void ActorExt::set_optind(int new_optind)
 {
   optind_ = new_optind;
 }
 
+void ActorExt::bsend_buffer(void** buf, int* size)
+{
+  *buf  = bsend_buffer_;
+  *size = bsend_buffer_size_;
+}
+
+int ActorExt::set_bsend_buffer(void* buf, int size)
+{
+  if(buf!=nullptr && bsend_buffer_!=nullptr)
+    return MPI_ERR_BUFFER;
+  bsend_buffer_     = buf;
+  bsend_buffer_size_= size;
+  return MPI_SUCCESS;
+}
+
 } // namespace smpi
 } // namespace simgrid