#include "SmpiHost.hpp"
#include "mc/mc.h"
-#include "private.hpp"
-#include "simgrid/s4u/Host.hpp"
-#include "simgrid/s4u/Mailbox.hpp"
-#include "simgrid/s4u/forward.hpp"
+#include "simgrid/s4u/Engine.hpp"
#include "smpi_coll.hpp"
-#include "smpi_comm.hpp"
-#include "smpi_group.hpp"
-#include "smpi_info.hpp"
#include "smpi_process.hpp"
#include "src/msg/msg_private.hpp"
#include "src/simix/smx_private.hpp"
-#include "src/surf/surf_interface.hpp"
#include "xbt/config.hpp"
#include <cfloat> /* DBL_MAX */
#include <dlfcn.h>
#include <fcntl.h>
#include <fstream>
-#include <sys/stat.h>
#if HAVE_SENDFILE
#include <sys/sendfile.h>
papi_counter_t counter_data;
int event_set;
};
-
#endif
+
using simgrid::s4u::Actor;
using simgrid::s4u::ActorPtr;
std::unordered_map<std::string, double> location2speedup;
MPI_Errhandler *MPI_ERRHANDLER_NULL = nullptr;
// No instance gets manually created; check also the smpirun.in script as
// this default name is used there as well (when the <actor> tag is generated).
-static const char* smpi_default_instance_name = "smpirun";
+static const std::string smpi_default_instance_name("smpirun");
static simgrid::config::Flag<double> smpi_wtime_sleep(
"smpi/wtime", "Minimum time to inject inside a call to MPI_Wtime", 0.0);
static simgrid::config::Flag<double> smpi_init_sleep(
ActorPtr me = Actor::self();
if (me == nullptr) // This happens sometimes (eg, when linking against NS3 because it pulls openMPI...)
return nullptr;
- simgrid::msg::ActorExt* msgExt = static_cast<simgrid::msg::ActorExt*>(me->getImpl()->userdata);
+ simgrid::msg::ActorExt* msgExt = static_cast<simgrid::msg::ActorExt*>(me->get_impl()->userdata);
return static_cast<simgrid::smpi::Process*>(msgExt->data);
}
}
int smpi_process_index(){
- return simgrid::s4u::Actor::self()->getPid();
+ return simgrid::s4u::this_actor::get_pid();
}
void * smpi_process_get_user_data(){
auto private_blocks = merge_private_blocks(src_private_blocks, dst_private_blocks);
check_blocks(private_blocks, buff_size);
void* tmpbuff=buff;
- if ((smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP) && (static_cast<char*>(buff) >= smpi_data_exe_start) &&
+ if ((smpi_privatize_global_variables == SmpiPrivStrategies::Mmap) &&
+ (static_cast<char*>(buff) >= smpi_data_exe_start) &&
(static_cast<char*>(buff) < smpi_data_exe_start + smpi_data_exe_size)) {
XBT_DEBUG("Privatization : We are copying from a zone inside global memory... Saving data to temp buffer !");
-
- smpi_switch_data_segment(Actor::self()->getPid());
+ smpi_switch_data_segment(comm->src_proc->iface());
tmpbuff = static_cast<void*>(xbt_malloc(buff_size));
memcpy_private(tmpbuff, buff, private_blocks);
}
- if ((smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP) && ((char*)comm->dst_buff >= smpi_data_exe_start) &&
+ if ((smpi_privatize_global_variables == SmpiPrivStrategies::Mmap) && ((char*)comm->dst_buff >= smpi_data_exe_start) &&
((char*)comm->dst_buff < smpi_data_exe_start + smpi_data_exe_size)) {
XBT_DEBUG("Privatization : We are copying to a zone inside global memory - Switch data segment");
- smpi_switch_data_segment(Actor::self()->getPid());
+ smpi_switch_data_segment(comm->dst_proc->iface());
}
XBT_DEBUG("Copying %zu bytes from %p to %p", buff_size, tmpbuff,comm->dst_buff);
memcpy_private(comm->dst_buff, tmpbuff, private_blocks);
/* nothing done in this version */
}
-static void smpi_check_options(){
+static void smpi_check_options()
+{
//check correctness of MPI parameters
- xbt_assert(xbt_cfg_get_int("smpi/async-small-thresh") <= xbt_cfg_get_int("smpi/send-is-detached-thresh"));
+ xbt_assert(simgrid::config::get_config<int>("smpi/async-small-thresh") <=
+ simgrid::config::get_config<int>("smpi/send-is-detached-thresh"));
- if (xbt_cfg_is_default_value("smpi/host-speed")) {
- XBT_INFO("You did not set the power of the host running the simulation. "
- "The timings will certainly not be accurate. "
- "Use the option \"--cfg=smpi/host-speed:<flops>\" to set its value."
- "Check http://simgrid.org/simgrid/latest/doc/options.html#options_smpi_bench for more information.");
- }
+ if (xbt_cfg_is_default_value("smpi/host-speed")) {
+ XBT_INFO("You did not set the power of the host running the simulation. "
+ "The timings will certainly not be accurate. "
+ "Use the option \"--cfg=smpi/host-speed:<flops>\" to set its value."
+ "Check http://simgrid.org/simgrid/latest/doc/options.html#options_smpi_bench for more information.");
+ }
- xbt_assert(xbt_cfg_get_double("smpi/cpu-threshold") >=0,
- "The 'smpi/cpu-threshold' option cannot have negative values [anymore]. If you want to discard "
- "the simulation of any computation, please use 'smpi/simulate-computation:no' instead.");
+ xbt_assert(xbt_cfg_get_double("smpi/cpu-threshold") >= 0,
+ "The 'smpi/cpu-threshold' option cannot have negative values [anymore]. If you want to discard "
+ "the simulation of any computation, please use 'smpi/simulate-computation:no' instead.");
}
int smpi_enabled() {
xbt_os_timer_free(global_timer);
}
- if(smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP)
+ if (smpi_privatize_global_variables == SmpiPrivStrategies::Mmap)
smpi_destroy_global_memory_segments();
smpi_free_static();
}
simgrid::smpi::Colls::smpi_coll_cleanup_callback = nullptr;
smpi_cpu_threshold = xbt_cfg_get_double("smpi/cpu-threshold");
smpi_host_speed = xbt_cfg_get_double("smpi/host-speed");
+ xbt_assert(smpi_host_speed >= 0, "You're trying to set the host_speed to a negative value (%f)", smpi_host_speed);
std::string smpi_privatize_option = xbt_cfg_get_string("smpi/privatization");
if (smpi_privatize_option == "no" || smpi_privatize_option == "0")
- smpi_privatize_global_variables = SMPI_PRIVATIZE_NONE;
+ smpi_privatize_global_variables = SmpiPrivStrategies::None;
else if (smpi_privatize_option == "yes" || smpi_privatize_option == "1")
- smpi_privatize_global_variables = SMPI_PRIVATIZE_DEFAULT;
+ smpi_privatize_global_variables = SmpiPrivStrategies::Default;
else if (smpi_privatize_option == "mmap")
- smpi_privatize_global_variables = SMPI_PRIVATIZE_MMAP;
+ smpi_privatize_global_variables = SmpiPrivStrategies::Mmap;
else if (smpi_privatize_option == "dlopen")
- smpi_privatize_global_variables = SMPI_PRIVATIZE_DLOPEN;
+ smpi_privatize_global_variables = SmpiPrivStrategies::Dlopen;
else
xbt_die("Invalid value for smpi/privatization: '%s'", smpi_privatize_option.c_str());
+ if (not SMPI_switch_data_segment) {
+ XBT_DEBUG("Running without smpi_main(); disable smpi/privatization.");
+ smpi_privatize_global_variables = SmpiPrivStrategies::None;
+ }
#if defined(__FreeBSD__)
- if (smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP) {
- XBT_INFO("Mixing mmap privatization is broken on FreeBSD, switching to dlopen privatization instead.");
- smpi_privatize_global_variables = SMPI_PRIVATIZE_DLOPEN;
- }
+ if (smpi_privatize_global_variables == SmpiPrivStrategies::Mmap) {
+ XBT_INFO("mmap privatization is broken on FreeBSD, switching to dlopen privatization instead.");
+ smpi_privatize_global_variables = SmpiPrivStrategies::Dlopen;
+ }
#endif
if (smpi_cpu_threshold < 0)
SIMIX_comm_set_copy_data_callback(smpi_comm_copy_buffer_callback);
smpi_init_options();
- if (smpi_privatize_global_variables == SMPI_PRIVATIZE_DLOPEN) {
+ if (smpi_privatize_global_variables == SmpiPrivStrategies::Dlopen) {
std::string executable_copy = executable;
int fdout = open(target_executable.c_str(), O_CREAT | O_RDWR, S_IRWXU);
xbt_assert(fdout >= 0, "Cannot write into %s", target_executable.c_str());
+ XBT_DEBUG("Copy %ld bytes into %s", static_cast<long>(fdin_size), target_executable.c_str());
#if HAVE_SENDFILE
ssize_t sent_size = sendfile(fdout, fdin, NULL, fdin_size);
xbt_assert(sent_size == fdin_size,
"Error while copying %s: only %zd bytes copied instead of %ld (errno: %d -- %s)",
target_executable.c_str(), sent_size, fdin_size, errno, strerror(errno));
#else
- XBT_VERB("Copy %d bytes into %s", static_cast<int>(fdin_size), target_executable.c_str());
const int bufsize = 1024 * 1024 * 4;
char buf[bufsize];
while (int got = read(fdin, buf, bufsize)) {
// Load the copy and resolve the entry point:
void* handle = dlopen(target_executable.c_str(), RTLD_LAZY | RTLD_LOCAL | RTLD_DEEPBIND);
int saved_errno = errno;
- if (xbt_cfg_get_boolean("smpi/keep-temps") == false)
+ if (simgrid::config::get_config<bool>("smpi/keep-temps") == false)
unlink(target_executable.c_str());
if (handle == nullptr)
xbt_die("dlopen failed: %s (errno: %d -- %s)", dlerror(), saved_errno, strerror(saved_errno));
smpi_run_entry_point(entry_point, args);
});
};
-
}
else {
-
+ if (smpi_privatize_global_variables == SmpiPrivStrategies::Mmap)
+ smpi_prepare_global_memory_segment();
// Load the dynamic library and resolve the entry point:
void* handle = dlopen(executable, RTLD_LAZY | RTLD_LOCAL);
if (handle == nullptr)
smpi_entry_point_type entry_point = smpi_resolve_function(handle);
if (not entry_point)
xbt_die("main not found in %s", executable);
- // TODO, register the executable for SMPI privatization
+ if (smpi_privatize_global_variables == SmpiPrivStrategies::Mmap)
+ smpi_backup_global_memory_segment();
// Execute the same entry point for each simulated process:
simix_global->default_function = [entry_point](std::vector<std::string> args) {
smpi_run_entry_point(entry_point, args);
});
};
-
}
SMPI_init();
SIMIX_launch_application(argv[2]);
- SMPI_app_instance_register(smpi_default_instance_name, nullptr,
+ SMPI_app_instance_register(smpi_default_instance_name.c_str(), nullptr,
process_data.size()); // This call has a side effect on process_count...
MPI_COMM_WORLD = *smpi_deployment_comm_world(smpi_default_instance_name);
smpi_universe_size = process_count;
SIMIX_run();
xbt_os_walltimer_stop(global_timer);
- if (xbt_cfg_get_boolean("smpi/display-timing")){
+ if (simgrid::config::get_config<bool>("smpi/display-timing")) {
double global_time = xbt_os_timer_elapsed(global_timer);
XBT_INFO("Simulated time: %g seconds. \n\n"
"The simulation took %g seconds (after parsing and platform setup)\n"
// Called either directly from the user code, or from the code called by smpirun
void SMPI_init(){
- simgrid::s4u::Actor::onCreation.connect([](simgrid::s4u::ActorPtr actor) {
- if (not actor->isDaemon()) {
+ simgrid::s4u::Actor::on_creation.connect([](simgrid::s4u::ActorPtr actor) {
+ if (not actor->is_daemon()) {
process_data.insert({actor, new simgrid::smpi::Process(actor, nullptr)});
}
});
- simgrid::s4u::Actor::onDestruction.connect([](simgrid::s4u::ActorPtr actor) {
+ simgrid::s4u::Actor::on_destruction.connect([](simgrid::s4u::ActorPtr actor) {
auto it = process_data.find(actor);
if (it != process_data.end()) {
delete it->second;
smpi_init_options();
smpi_global_init();
smpi_check_options();
- TRACE_smpi_alloc();
- simgrid::surf::surfExitCallbacks.connect(TRACE_smpi_release);
- if(smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP)
- smpi_backup_global_memory_segment();
+ simgrid::s4u::onSimulationEnd.connect(TRACE_smpi_release);
}
void SMPI_finalize(){
