-/* 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. */
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_process, smpi, "Logging specific to SMPI (kernel)");
-#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{
+using simgrid::s4u::Actor;
using simgrid::s4u::ActorPtr;
Process::Process(ActorPtr actor, msg_bar_t finalization_barrier)
- : finalization_barrier_(finalization_barrier)
+ : finalization_barrier_(finalization_barrier), process_(actor)
{
- char name[MAILBOX_NAME_MAXLEN];
- process_ = actor;
- int index = actor->getPid() - 1; // TODO cheinrich: This needs to be removed! Just a quick hack to make the following 2 lines work
- 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 barrier = smpi_deployment_finalization_barrier(instance_id);
- if (barrier != nullptr) // don't overwrite the current one if the instance has none
- finalization_barrier_ = barrier;
- instance_id_ = instance_id;
- index_ = index;
-
- 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(simgrid::s4u::Actor::self());
- XBT_DEBUG("<%d> New process in the game: %p", index_, process_);
+ 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("<%ld> 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("<%ld> 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 */
{
// TODO cheinrich: Check if we still need this. This should be a global condition, not for a
// single process ... ?
- return ((index_ != MPI_UNDEFINED) && (state_ == SMPI_INITIALIZED));
+ 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 privatized_region_;
}
-int Process::index()
-{
- return index_;
-}
-
MPI_Comm Process::comm_world()
{
return comm_world_==nullptr ? MPI_COMM_NULL : *comm_world_;
return papi_event_set_;
}
-papi_counter_t& smpi_process_papi_counters()
+papi_counter_t& Process::papi_counters()
{
return papi_counter_data_;
}
return finalization_barrier_;
}
-int Process::return_value(){
- return return_value_;
-}
-
-void Process::set_return_value(int val){
- return_value_=val;
-}
-
void Process::init(int *argc, char ***argv){
if (smpi_process_count() == 0) {
simgrid::s4u::ActorPtr proc = simgrid::s4u::Actor::self();
proc->getImpl()->context->set_cleanup(&MSG_process_cleanup_from_SIMIX);
- int my_proc_id = proc->getPid() - 1; // The maestro process has always ID 0 but we don't need that process here
-
char* instance_id = (*argv)[1];
try {
int rank = std::stoi(std::string((*argv)[2]));
Process* process = smpi_process_remote(proc);
if(smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP){
/* Now using the segment index of this process */
- my_proc_id = proc->getImpl()->segment_index;
process->set_privatized_region(smpi_init_global_memory_segment_process());
/* Done at the process's creation */
- SMPI_switch_data_segment(my_proc_id);
+ SMPI_switch_data_segment(proc);
}
- process->set_data(my_proc_id, argc, argv);
+ process->set_data(argc, argv);
}
- xbt_assert(smpi_process(),
- "smpi_process() returned nullptr. You probably gave a nullptr parameter to MPI_Init. "
- "Although it's required by MPI-2, this is currently not supported by SMPI.");
+ xbt_assert(smpi_process(), "smpi_process() returned nullptr. You probably gave a nullptr parameter to MPI_Init. "
+ "Although it's required by MPI-2, this is currently not supported by SMPI. "
+ "Please use MPI_Init(&argc, &argv) as usual instead.");
}
}