#include "xbt/config.hpp"
#include <algorithm>
+#include <boost/algorithm/string.hpp> /* trim_right / trim_left */
+#include <boost/tokenizer.hpp>
#include <cfloat> /* DBL_MAX */
#include <cinttypes>
#include <cstdint> /* intmax_t */
#include <fstream>
#include <sys/stat.h>
-#if not defined(__APPLE__)
+#if SIMGRID_HAVE_MC
+#include "src/mc/mc_config.hpp"
+#endif
+
+#if SG_HAVE_SENDFILE
+#include <sys/sendfile.h>
+#endif
+
+#if HAVE_PAPI
+#include "papi.h"
+#endif
+
+#if not defined(__APPLE__) && not defined(__HAIKU__)
#include <link.h>
#endif
# define MAC_OS_X_VERSION_10_12 101200
# endif
constexpr bool HAVE_WORKING_MMAP = (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_12);
-#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__sun) || defined(__HAIKU__)
constexpr bool HAVE_WORKING_MMAP = false;
#else
constexpr bool HAVE_WORKING_MMAP = true;
#endif
-#if SG_HAVE_SENDFILE
-#include <sys/sendfile.h>
-#endif
-
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_kernel, smpi, "Logging specific to SMPI (kernel)");
-#include <boost/tokenizer.hpp>
-#include <boost/algorithm/string.hpp> /* trim_right / trim_left */
#if SMPI_IFORT
extern "C" void for_rtl_init_ (int *, char **);
#endif
#if HAVE_PAPI
-#include "papi.h"
std::string papi_default_config_name = "default";
std::map</* computation unit name */ std::string, papi_process_data> units2papi_setup;
#endif
std::unordered_map<std::string, double> location2speedup;
static std::map</*process_id*/ simgrid::s4u::Actor const*, simgrid::smpi::ActorExt*> process_data;
-int process_count = 0;
static int smpi_exit_status = 0;
-int smpi_universe_size = 0;
extern double smpi_total_benched_time;
xbt_os_timer_t global_timer;
static std::vector<std::string> privatize_libs_paths;
* See smpi_comm.cpp and the functions therein for details.
*/
MPI_Comm MPI_COMM_WORLD = MPI_COMM_UNINITIALIZED;
-MPI_Errhandler *MPI_ERRORS_RETURN = nullptr;
-MPI_Errhandler *MPI_ERRORS_ARE_FATAL = nullptr;
-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 std::string smpi_default_instance_name("smpirun");
void (*smpi_comm_copy_data_callback)(simgrid::kernel::activity::CommImpl*, void*,
size_t) = &smpi_comm_copy_buffer_callback;
-int smpi_process_count()
-{
- return process_count;
-}
-
simgrid::smpi::ActorExt* smpi_process()
{
simgrid::s4u::ActorPtr me = simgrid::s4u::Actor::self();
simgrid::smpi::ActorExt* smpi_process_remote(simgrid::s4u::ActorPtr actor)
{
+ if (actor.get() == nullptr)
+ return nullptr;
return process_data.at(actor.get());
}
return smpi_process()->info_env();
}
-void smpi_process_init(int*, char***)
-{
- simgrid::smpi::ActorExt::init();
-}
-
void * smpi_process_get_user_data(){
return simgrid::s4u::Actor::self()->get_impl()->get_user_data();
}
void smpi_comm_copy_buffer_callback(simgrid::kernel::activity::CommImpl* comm, void* buff, size_t buff_size)
{
- int src_shared = 0;
- int dst_shared = 0;
size_t src_offset = 0;
size_t dst_offset = 0;
std::vector<std::pair<size_t, size_t>> src_private_blocks;
std::vector<std::pair<size_t, size_t>> dst_private_blocks;
XBT_DEBUG("Copy the data over");
- if((src_shared=smpi_is_shared(buff, src_private_blocks, &src_offset))) {
+ if(smpi_is_shared(buff, src_private_blocks, &src_offset)) {
XBT_DEBUG("Sender %p is shared. Let's ignore it.", buff);
src_private_blocks = shift_and_frame_private_blocks(src_private_blocks, src_offset, buff_size);
}
src_private_blocks.clear();
src_private_blocks.push_back(std::make_pair(0, buff_size));
}
- if ((dst_shared = smpi_is_shared((char*)comm->dst_buff_, dst_private_blocks, &dst_offset))) {
+ if (smpi_is_shared((char*)comm->dst_buff_, dst_private_blocks, &dst_offset)) {
XBT_DEBUG("Receiver %p is shared. Let's ignore it.", (char*)comm->dst_buff_);
dst_private_blocks = shift_and_frame_private_blocks(dst_private_blocks, dst_offset, buff_size);
}
XBT_DEBUG("Copying %zu bytes from %p to %p", buff_size, tmpbuff, comm->dst_buff_);
memcpy_private(comm->dst_buff_, tmpbuff, private_blocks);
- if (comm->detached_) {
+ if (comm->detached()) {
// if this is a detached send, the source buffer was duplicated by SMPI
// sender to make the original buffer available to the application ASAP
xbt_free(buff);
static void smpi_check_options()
{
- //check correctness of MPI parameters
+#if SIMGRID_HAVE_MC
+ if (MC_is_active()) {
+ if (_sg_mc_buffering == "zero")
+ simgrid::config::set_value<int>("smpi/send-is-detached-thresh", 0);
+ else if (_sg_mc_buffering == "infty")
+ simgrid::config::set_value<int>("smpi/send-is-detached-thresh", INT_MAX);
+ else
+ THROW_IMPOSSIBLE;
+ }
+#endif
xbt_assert(simgrid::config::get_value<int>("smpi/async-small-thresh") <=
+ simgrid::config::get_value<int>("smpi/send-is-detached-thresh"),
+ "smpi/async-small-thresh (=%d) should be smaller or equal to smpi/send-is-detached-thresh (=%d)",
+ simgrid::config::get_value<int>("smpi/async-small-thresh"),
simgrid::config::get_value<int>("smpi/send-is-detached-thresh"));
- if (simgrid::config::is_default("smpi/host-speed")) {
+ if (simgrid::config::is_default("smpi/host-speed") && not MC_is_active()) {
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. "
}
int smpi_enabled() {
- return not process_data.empty();
+ return MPI_COMM_WORLD != MPI_COMM_UNINITIALIZED;
}
-void smpi_global_init()
+static void smpi_init_papi()
{
- if (not MC_is_active()) {
- global_timer = xbt_os_timer_new();
- xbt_os_walltimer_start(global_timer);
- }
-
- std::string filename = simgrid::config::get_value<std::string>("smpi/comp-adjustment-file");
- if (not filename.empty()) {
- std::ifstream fstream(filename);
- if (not fstream.is_open()) {
- xbt_die("Could not open file %s. Does it exist?", filename.c_str());
- }
-
- std::string line;
- typedef boost::tokenizer< boost::escaped_list_separator<char>> Tokenizer;
- std::getline(fstream, line); // Skip the header line
- while (std::getline(fstream, line)) {
- Tokenizer tok(line);
- Tokenizer::iterator it = tok.begin();
- Tokenizer::iterator end = std::next(tok.begin());
-
- std::string location = *it;
- boost::trim(location);
- location2speedup.insert(std::pair<std::string, double>(location, std::stod(*end)));
- }
- }
-
#if HAVE_PAPI
// This map holds for each computation unit (such as "default" or "process1" etc.)
// the configuration as given by the user (counter data as a pair of (counter_name, counter_counter))
#endif
}
-void smpi_global_destroy()
-{
- smpi_bench_destroy();
- smpi_shared_destroy();
- smpi_deployment_cleanup_instances();
-
- if (simgrid::smpi::Colls::smpi_coll_cleanup_callback != nullptr)
- simgrid::smpi::Colls::smpi_coll_cleanup_callback();
-
- MPI_COMM_WORLD = MPI_COMM_NULL;
-
- if (not MC_is_active()) {
- xbt_os_timer_free(global_timer);
- }
-
- if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP)
- smpi_destroy_global_memory_segments();
- if(simgrid::smpi::F2C::lookup() != nullptr)
- simgrid::smpi::F2C::delete_lookup();
-}
-
static void smpi_init_options(){
// return if already called
if (smpi_cpu_threshold > -1)
simgrid::smpi::Colls::set_collectives();
simgrid::smpi::Colls::smpi_coll_cleanup_callback = nullptr;
smpi_cpu_threshold = simgrid::config::get_value<double>("smpi/cpu-threshold");
- smpi_host_speed = simgrid::config::get_value<double>("smpi/host-speed");
- xbt_assert(smpi_host_speed > 0.0, "You're trying to set the host_speed to a non-positive value (given: %f)", smpi_host_speed);
+ if (smpi_cpu_threshold < 0)
+ smpi_cpu_threshold = DBL_MAX;
+
+ smpi_host_speed = simgrid::config::get_value<double>("smpi/host-speed");
std::string smpi_privatize_option = simgrid::config::get_value<std::string>("smpi/privatization");
if (smpi_privatize_option == "no" || smpi_privatize_option == "0")
smpi_privatize_global_variables = SmpiPrivStrategies::NONE;
smpi_privatize_global_variables = SmpiPrivStrategies::DLOPEN;
}
- if (smpi_cpu_threshold < 0)
- smpi_cpu_threshold = DBL_MAX;
-
std::string val = simgrid::config::get_value<std::string>("smpi/shared-malloc");
if ((val == "yes") || (val == "1") || (val == "on") || (val == "global")) {
smpi_cfg_shared_malloc = SharedMallocType::GLOBAL;
typedef int (* smpi_c_entry_point_type)(int argc, char **argv);
typedef void (*smpi_fortran_entry_point_type)();
-static int smpi_run_entry_point(const smpi_entry_point_type& entry_point, const std::string& executable_path,
- std::vector<std::string> args)
+template <typename F>
+static int smpi_run_entry_point(const F& entry_point, const std::string& executable_path, std::vector<std::string> args)
{
// copy C strings, we need them writable
std::vector<char*>* args4argv = new std::vector<char*>(args.size());
args4argv->push_back(nullptr);
char** argv = args4argv->data();
- simgrid::smpi::ActorExt::init();
#if SMPI_IFORT
for_rtl_init_ (&argc, argv);
#elif SMPI_FLANG
#endif
// If this point is reached, sendfile() actually is not available. Copy file by hand.
const int bufsize = 1024 * 1024 * 4;
- char buf[bufsize];
+ char* buf = new char[bufsize];
while (int got = read(fdin, buf, bufsize)) {
if (got == -1) {
xbt_assert(errno == EINTR, "Cannot read from %s", src.c_str());
}
}
}
+ delete[] buf;
close(fdin);
close(fdout);
}
-#if not defined(__APPLE__)
+#if not defined(__APPLE__) && not defined(__HAIKU__)
static int visit_libs(struct dl_phdr_info* info, size_t, void* data)
{
char* libname = (char*)(data);
// get library name from path
char fullpath[512] = {'\0'};
strncpy(fullpath, libname.c_str(), 511);
-#if not defined(__APPLE__)
- int ret = dl_iterate_phdr(visit_libs, fullpath);
- if (ret == 0)
- xbt_die("Can't find a linked %s - check the setting you gave to smpi/privatize-libs", fullpath);
- else
- XBT_DEBUG("Extra lib to privatize found : %s", fullpath);
+#if not defined(__APPLE__) && not defined(__HAIKU__)
+ xbt_assert(0 != dl_iterate_phdr(visit_libs, fullpath),
+ "Can't find a linked %s - check your settings in smpi/privatize-libs", fullpath);
+ XBT_DEBUG("Extra lib to privatize '%s' found", fullpath);
#else
- xbt_die("smpi/privatize-libs is not (yet) compatible with OSX");
+ xbt_die("smpi/privatize-libs is not (yet) compatible with OSX nor with Haiku");
#endif
privatize_libs_paths.push_back(fullpath);
dlclose(libhandle);
smpi_copy_file(libpath, target_lib, fdin_size2);
std::string sedcommand = "sed -i -e 's/" + libname + "/" + target_lib + "/g' " + target_executable;
- int ret = system(sedcommand.c_str());
- if (ret != 0)
- xbt_die("error while applying sed command %s \n", sedcommand.c_str());
+ xbt_assert(system(sedcommand.c_str()) == 0, "error while applying sed command %s \n", sedcommand.c_str());
}
}
for (const std::string& target_lib : target_libs)
unlink(target_lib.c_str());
}
- if (handle == nullptr)
- xbt_die("dlopen failed: %s (errno: %d -- %s)", dlerror(), saved_errno, strerror(saved_errno));
+ xbt_assert(handle != nullptr, "dlopen failed: %s (errno: %d -- %s)", dlerror(), saved_errno,
+ strerror(saved_errno));
+
smpi_entry_point_type entry_point = smpi_resolve_function(handle);
- if (not entry_point)
- xbt_die("Could not resolve entry point");
+ xbt_assert(entry_point, "Could not resolve entry point");
smpi_run_entry_point(entry_point, executable, args);
});
};
{
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.c_str(), RTLD_LAZY | RTLD_LOCAL);
- if (handle == nullptr)
- xbt_die("dlopen failed for %s: %s (errno: %d -- %s)", executable.c_str(), dlerror(), errno, strerror(errno));
+ xbt_assert(handle != nullptr, "dlopen failed for %s: %s (errno: %d -- %s)", executable.c_str(), dlerror(), errno,
+ strerror(errno));
smpi_entry_point_type entry_point = smpi_resolve_function(handle);
- if (not entry_point)
- xbt_die("main not found in %s", executable.c_str());
+ xbt_assert(entry_point, "main not found in %s", executable.c_str());
+
if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP)
smpi_backup_global_memory_segment();
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;
-
/* Clean IO before the run */
fflush(stdout);
"You may want to use sampling functions or trace replay to reduce this.");
}
}
- smpi_global_destroy();
+ SMPI_finalize();
return smpi_exit_status;
}
void SMPI_init(){
simgrid::s4u::Actor::on_creation.connect([](simgrid::s4u::Actor& actor) {
if (not actor.is_daemon()) {
- process_data.insert({&actor, new simgrid::smpi::ActorExt(&actor, nullptr)});
+ process_data.insert({&actor, new simgrid::smpi::ActorExt(&actor)});
}
});
simgrid::s4u::Actor::on_destruction.connect([](simgrid::s4u::Actor const& actor) {
+ XBT_DEBUG("Delete the extension of actor %s", actor.get_cname());
auto it = process_data.find(&actor);
if (it != process_data.end()) {
delete it->second;
[](simgrid::s4u::Host& host) { host.extension_set(new simgrid::smpi::Host(&host)); });
smpi_init_options();
- smpi_global_init();
+ if (not MC_is_active()) {
+ global_timer = xbt_os_timer_new();
+ xbt_os_walltimer_start(global_timer);
+ }
+
+ std::string filename = simgrid::config::get_value<std::string>("smpi/comp-adjustment-file");
+ if (not filename.empty()) {
+ std::ifstream fstream(filename);
+ xbt_assert(fstream.is_open(), "Could not open file %s. Does it exist?", filename.c_str());
+
+ std::string line;
+ typedef boost::tokenizer<boost::escaped_list_separator<char>> Tokenizer;
+ std::getline(fstream, line); // Skip the header line
+ while (std::getline(fstream, line)) {
+ Tokenizer tok(line);
+ Tokenizer::iterator it = tok.begin();
+ Tokenizer::iterator end = std::next(tok.begin());
+
+ std::string location = *it;
+ boost::trim(location);
+ location2speedup.insert(std::pair<std::string, double>(location, std::stod(*end)));
+ }
+ }
+ smpi_init_papi();
smpi_check_options();
}
-void SMPI_finalize(){
- smpi_global_destroy();
+void SMPI_finalize()
+{
+ smpi_bench_destroy();
+ smpi_shared_destroy();
+ smpi_deployment_cleanup_instances();
+
+ if (simgrid::smpi::Colls::smpi_coll_cleanup_callback != nullptr)
+ simgrid::smpi::Colls::smpi_coll_cleanup_callback();
+
+ MPI_COMM_WORLD = MPI_COMM_NULL;
+
+ if (not MC_is_active()) {
+ xbt_os_timer_free(global_timer);
+ }
+
+ if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP)
+ smpi_destroy_global_memory_segments();
+ if (simgrid::smpi::F2C::lookup() != nullptr)
+ simgrid::smpi::F2C::delete_lookup();
}
void smpi_mpi_init() {
smpi_init_fortran_types();
if(smpi_init_sleep > 0)
- simcall_process_sleep(smpi_init_sleep);
+ simgrid::s4u::this_actor::sleep_for(smpi_init_sleep);
}