-/* Copyright (c) 2009-2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2009-2018. 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 "smpi_process.hpp"
#include "mc/mc.h"
-#include "src/mc/mc_replay.h"
-#include "src/msg/msg_private.h"
-#include "src/simix/smx_private.h"
-#include "private.h"
#include "private.hpp"
-#include "smpi_process.hpp"
-#include "smpi_group.hpp"
+#include "simgrid/s4u/forward.hpp"
#include "smpi_comm.hpp"
-
+#include "smpi_group.hpp"
+#include "src/mc/mc_replay.hpp"
+#include "src/msg/msg_private.hpp"
+#include "src/simix/smx_private.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_process, smpi, "Logging specific to SMPI (kernel)");
-//TODO : replace
-extern simgrid::smpi::Process **process_data;
-extern int* index_to_process_data;
-
-#define MAILBOX_NAME_MAXLEN (5 + sizeof(int) * 2 + 1)
-
-static char *get_mailbox_name(char *str, int index)
-{
- snprintf(str, MAILBOX_NAME_MAXLEN, "SMPI-%0*x", static_cast<int>(sizeof(int) * 2), static_cast<unsigned>(index));
- return str;
-}
-
-static char *get_mailbox_name_small(char *str, int index)
-{
- snprintf(str, MAILBOX_NAME_MAXLEN, "small%0*x", static_cast<int>(sizeof(int) * 2), static_cast<unsigned>(index));
- return str;
-}
-
namespace simgrid{
namespace smpi{
-Process::Process(int index, msg_bar_t finalization_barrier)
- : finalization_barrier_(finalization_barrier)
+using simgrid::s4u::Actor;
+using simgrid::s4u::ActorPtr;
+
+Process::Process(ActorPtr actor, msg_bar_t finalization_barrier)
+ : finalization_barrier_(finalization_barrier), process_(actor)
{
- char name[MAILBOX_NAME_MAXLEN];
- mailbox_ = simgrid::s4u::Mailbox::byName(get_mailbox_name(name, index));
- mailbox_small_ = simgrid::s4u::Mailbox::byName(get_mailbox_name_small(name, index));
- mailboxes_mutex_ = xbt_mutex_init();
- timer_ = xbt_os_timer_new();
- state_ = SMPI_UNINITIALIZED;
+ mailbox_ = simgrid::s4u::Mailbox::byName("SMPI-" + std::to_string(process_->getPid()));
+ mailbox_small_ = simgrid::s4u::Mailbox::byName("small-" + std::to_string(process_->getPid()));
+ mailboxes_mutex_ = xbt_mutex_init();
+ timer_ = xbt_os_timer_new();
+ state_ = SMPI_UNINITIALIZED;
if (MC_is_active())
MC_ignore_heap(timer_, xbt_os_timer_size());
#endif
}
-void Process::set_data(int index, int* argc, char*** argv)
+Process::~Process()
{
- char* instance_id = (*argv)[1];
- comm_world_ = smpi_deployment_comm_world(instance_id);
- msg_bar_t bar = smpi_deployment_finalization_barrier(instance_id);
- if (bar!=nullptr) // don't overwrite the default one
- finalization_barrier_ = bar;
- instance_id_ = instance_id;
- index_ = index;
-
- static_cast<simgrid::msg::ActorExt*>(SIMIX_process_self()->userdata)->data = this;
-
- if (*argc > 3) {
- memmove(&(*argv)[0], &(*argv)[2], sizeof(char *) * (*argc - 2));
- (*argv)[(*argc) - 1] = nullptr;
- (*argv)[(*argc) - 2] = nullptr;
- }
- (*argc)-=2;
- argc_ = argc;
- argv_ = argv;
- // set the process attached to the mailbox
- mailbox_small_->setReceiver(simgrid::s4u::Actor::self());
- process_ = SIMIX_process_self();
- XBT_DEBUG("<%d> New process in the game: %p", index_, SIMIX_process_self());
+ 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_);
+ xbt_mutex_destroy(mailboxes_mutex_);
+}
+
+void Process::set_data(int* argc, char*** argv)
+{
+ instance_id_ = std::string((*argv)[1]);
+ comm_world_ = smpi_deployment_comm_world(instance_id_.c_str());
+ msg_bar_t barrier = smpi_deployment_finalization_barrier(instance_id_.c_str());
+ if (barrier != nullptr) // don't overwrite the current one if the instance has none
+ finalization_barrier_ = barrier;
+
+ process_ = simgrid::s4u::Actor::self();
+ static_cast<simgrid::msg::ActorExt*>(process_->getImpl()->userdata)->data = this;
+
+ if (*argc > 3) {
+ memmove(&(*argv)[0], &(*argv)[2], sizeof(char*) * (*argc - 2));
+ (*argv)[(*argc) - 1] = nullptr;
+ (*argv)[(*argc) - 2] = nullptr;
+ }
+ (*argc) -= 2;
+ argc_ = argc;
+ argv_ = argv;
+ // set the process attached to the mailbox
+ mailbox_small_->setReceiver(process_);
+ XBT_DEBUG("<%lu> SMPI process has been initialized: %p", process_->getPid(), process_.get());
}
/** @brief Prepares the current process for termination. */
void Process::finalize()
{
state_ = SMPI_FINALIZED;
- XBT_DEBUG("<%d> Process left the game", index_);
+ XBT_DEBUG("<%lu> Process left the game", process_->getPid());
- // 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
- MSG_barrier_wait(finalization_barrier_);
+ // 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
+ MSG_barrier_wait(finalization_barrier_);
}
/** @brief Check if a process is finalized */
int Process::finalized()
{
- if (index_ != MPI_UNDEFINED)
- return (state_ == SMPI_FINALIZED);
- else
- return 0;
+ return (state_ == SMPI_FINALIZED);
}
/** @brief Check if a process is initialized */
int Process::initialized()
{
- if (index_to_process_data == nullptr){
- return false;
- } else{
- return ((index_ != MPI_UNDEFINED) && (state_ == SMPI_INITIALIZED));
- }
+ // TODO cheinrich: Check if we still need this. This should be a global condition, not for a
+ // single process ... ?
+ return (state_ == SMPI_INITIALIZED);
}
/** @brief Mark a process as initialized (=MPI_Init called) */
void Process::mark_as_initialized()
{
- if ((index_ != MPI_UNDEFINED) && (state_ != SMPI_FINALIZED))
+ if (state_ != SMPI_FINALIZED)
state_ = SMPI_INITIALIZED;
}
void Process::set_replaying(bool value){
- if ((index_ != MPI_UNDEFINED) && (state_ != SMPI_FINALIZED))
+ if (state_ != SMPI_FINALIZED)
replaying_ = value;
}
bool Process::replaying(){
- if (index_ != MPI_UNDEFINED)
- return replaying_;
- else
- return false;
+ return replaying_;
}
void Process::set_user_data(void *data)
return data_;
}
-smx_actor_t Process::process(){
+ActorPtr Process::process(){
return process_;
}
return &trace_call_loc_;
}
-int Process::index()
+void Process::set_privatized_region(smpi_privatization_region_t region)
{
- return index_;
+ privatized_region_ = region;
+}
+
+smpi_privatization_region_t Process::privatized_region()
+{
+ return privatized_region_;
}
MPI_Comm Process::comm_world()
if(comm_self_==MPI_COMM_NULL){
MPI_Group group = new Group(1);
comm_self_ = new Comm(group, nullptr);
- group->set_mapping(index_, 0);
+ group->set_mapping(process_, 0);
}
return comm_self_;
}
void Process::init(int *argc, char ***argv){
- if (process_data == nullptr){
- printf("SimGrid was not initialized properly before entering MPI_Init. Aborting, please check compilation process and use smpirun\n");
- exit(1);
+ 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");
}
if (argc != nullptr && argv != nullptr) {
- smx_actor_t proc = SIMIX_process_self();
- proc->context->set_cleanup(&MSG_process_cleanup_from_SIMIX);
-
- int index = proc->pid - 1;
-
- if(index_to_process_data == nullptr){
- index_to_process_data=static_cast<int*>(xbt_malloc(SIMIX_process_count()*sizeof(int)));
- }
+ simgrid::s4u::ActorPtr proc = simgrid::s4u::Actor::self();
+ proc->getImpl()->context->set_cleanup(&MSG_process_cleanup_from_SIMIX);
char* instance_id = (*argv)[1];
try {
int rank = std::stoi(std::string((*argv)[2]));
- smpi_deployment_register_process(instance_id, rank, index);
+ smpi_deployment_register_process(instance_id, rank, proc);
} catch (std::invalid_argument& ia) {
throw std::invalid_argument(std::string("Invalid rank: ") + (*argv)[2]);
}
+ // 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.
+ Process* process = smpi_process_remote(proc);
+ int my_proc_id = proc->getPid();
if(smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP){
- /* Now using segment index of the process */
- index = proc->segment_index;
+ /* 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(index);
+ SMPI_switch_data_segment(my_proc_id);
}
- Process* process = smpi_process_remote(index);
- process->set_data(index, argc, argv);
+ process->set_data(argc, argv);
}
xbt_assert(smpi_process(),
"smpi_process() returned nullptr. You probably gave a nullptr parameter to MPI_Init. "
