#include <array>
#include <boost/algorithm/string.hpp> /* split */
#include <boost/tokenizer.hpp>
+#include <boost/core/demangle.hpp>
#include <cerrno>
#include <cinttypes>
#include <cstdint> /* intmax_t */
#endif
#if HAVE_PAPI
-std::string papi_default_config_name = "default";
std::map</* computation unit name */ std::string, papi_process_data, std::less<>> units2papi_setup;
#endif
std::unordered_map<std::string, double> location2speedup;
static int smpi_exit_status = 0;
-extern double smpi_total_benched_time;
xbt_os_timer_t global_timer;
static std::vector<std::string> privatize_libs_paths;
-/**
- * Setting MPI_COMM_WORLD to MPI_COMM_UNINITIALIZED (it's a variable)
- * is important because the implementation of MPI_Comm checks
- * "this == MPI_COMM_UNINITIALIZED"? If yes, it uses smpi_process()->comm_world()
- * instead of "this".
- * This is basically how we only have one global variable but all processes have
- * different communicators (the one their SMPI instance uses).
- *
- * See smpi_comm.cpp and the functions therein for details.
- */
-MPI_Comm MPI_COMM_WORLD = MPI_COMM_UNINITIALIZED;
+
// 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");
{
int fdin = open(src.c_str(), O_RDONLY);
xbt_assert(fdin >= 0, "Cannot read from %s. Please make sure that the file exists and is executable.", src.c_str());
- XBT_ATTRIB_UNUSED int unlink_status = unlink(target.c_str());
- xbt_assert(unlink_status == 0 || errno == ENOENT, "Failed to unlink file %s: %s", target.c_str(), strerror(errno));
+ xbt_assert(unlink(target.c_str()) == 0 || errno == ENOENT, "Failed to unlink file %s: %s", target.c_str(),
+ strerror(errno));
int fdout = open(target.c_str(), O_CREAT | O_RDWR | O_EXCL, S_IRWXU);
xbt_assert(fdout >= 0, "Cannot write into %s: %s", target.c_str(), strerror(errno));
close(fdin);
close(fdout);
return;
- } else if (sent_size != -1 || errno != ENOSYS) {
- xbt_die("Error while copying %s: only %zd bytes copied instead of %" PRIdMAX " (errno: %d -- %s)", target.c_str(),
- sent_size, static_cast<intmax_t>(fdin_size), errno, strerror(errno));
}
+ xbt_assert(sent_size == -1 && errno == ENOSYS,
+ "Error while copying %s: only %zd bytes copied instead of %" PRIdMAX " (errno: %d -- %s)", target.c_str(),
+ sent_size, static_cast<intmax_t>(fdin_size), errno, strerror(errno));
#endif
// If this point is reached, sendfile() actually is not available. Copy file by hand.
std::vector<unsigned char> buf(1024 * 1024 * 4);
for (auto const& libname : privatize_libs) {
// load the library once to add it to the local libs, to get the absolute path
void* libhandle = dlopen(libname.c_str(), RTLD_LAZY);
- xbt_assert(libhandle != nullptr,
- "Cannot dlopen %s - check your settings in smpi/privatize-libs", libname.c_str());
+ xbt_assert(libhandle != nullptr, "Cannot dlopen %s - check your settings in smpi/privatize-libs",
+ libname.c_str());
// get library name from path
std::string fullpath = libname;
#if not defined(__APPLE__) && not defined(__HAIKU__)
- XBT_ATTRIB_UNUSED int dl_iterate_res = dl_iterate_phdr(visit_libs, &fullpath);
- xbt_assert(dl_iterate_res != 0, "Can't find a linked %s - check your settings in smpi/privatize-libs",
- fullpath.c_str());
+ xbt_assert(dl_iterate_phdr(visit_libs, &fullpath) != 0,
+ "Can't find a linked %s - check your settings in smpi/privatize-libs", fullpath.c_str());
XBT_DEBUG("Extra lib to privatize '%s' found", fullpath.c_str());
#else
xbt_die("smpi/privatize-libs is not (yet) compatible with OSX nor with Haiku");
// Copy the dynamic library, the new name must be the same length as the old one
// just replace the name with 7 digits for the rank and the rest of the name.
- unsigned int pad = 7;
- if (libname.length() < pad)
- pad = libname.length();
+ auto pad = std::min<unsigned>(7, libname.length());
std::string target_libname = std::string(pad - std::to_string(rank).length(), '0') + std::to_string(rank) + libname.substr(pad);
std::string target_lib = simgrid::config::get_value<std::string>("smpi/tmpdir") + "/" + target_libname;
target_libs.push_back(target_lib);
for (const std::string& target_lib : target_libs)
unlink(target_lib.c_str());
}
- xbt_assert(handle != nullptr, "dlopen failed: %s (errno: %d -- %s)", dlerror(), saved_errno,
- strerror(saved_errno));
+ xbt_assert(handle != nullptr,
+ "dlopen failed: %s (errno: %d -- %s).\nError: Did you compile the program with a SMPI-specific "
+ "compiler (spmicc or friends)?",
+ dlerror(), saved_errno, strerror(saved_errno));
smpi_entry_point_type entry_point = smpi_resolve_function(handle);
xbt_assert(entry_point, "Could not resolve entry point");
sg_storage_file_system_init();
// parse the platform file: get the host list
engine->load_platform(argv[1]);
- SIMIX_comm_set_copy_data_callback(smpi_comm_copy_buffer_callback);
+ simgrid::kernel::activity::CommImpl::set_copy_data_callback(smpi_comm_copy_buffer_callback);
if (smpi_cfg_privatization() == SmpiPrivStrategies::DLOPEN)
smpi_init_privatization_dlopen(executable);
SIMIX_run();
xbt_os_walltimer_stop(global_timer);
- if (simgrid::config::get_value<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"
- "%g seconds were actual computation of the application",
- SIMIX_get_clock(), global_time , smpi_total_benched_time);
-
- if (smpi_total_benched_time/global_time>=0.75)
- XBT_INFO("More than 75%% of the time was spent inside the application code.\n"
- "You may want to use sampling functions or trace replay to reduce this.");
- }
+ simgrid::smpi::utils::print_time_analysis(xbt_os_timer_elapsed(global_timer));
}
SMPI_finalize();
if (smpi_cfg_privatization() == SmpiPrivStrategies::MMAP)
smpi_destroy_global_memory_segments();
- if (simgrid::smpi::F2C::lookup() != nullptr)
- simgrid::smpi::F2C::delete_lookup();
+
+ simgrid::smpi::utils::print_memory_analysis();
}
void smpi_mpi_init() {
