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Merge branch 'master' of https://framagit.org/simgrid/simgrid
[simgrid.git] / src / smpi / internals / smpi_global.cpp
index c8253ee..25cbf62 100644 (file)
@@ -5,6 +5,7 @@
 
 #include "mc/mc.h"
 #include "simgrid/s4u/Engine.hpp"
+#include "simgrid/plugins/file_system.h"
 #include "smpi_coll.hpp"
 #include "smpi_f2c.hpp"
 #include "smpi_host.hpp"
@@ -20,6 +21,7 @@
 #include <dlfcn.h>
 #include <fcntl.h>
 #include <fstream>
+#include <sys/stat.h>
 
 #if not defined(__APPLE__)
 #include <link.h>
 # ifndef MAC_OS_X_VERSION_10_12
 #   define MAC_OS_X_VERSION_10_12 101200
 # endif
-# define HAVE_WORKING_MMAP (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_12)
-#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-# define HAVE_WORKING_MMAP 0
+constexpr bool HAVE_WORKING_MMAP = (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_12);
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__sun)
+constexpr bool HAVE_WORKING_MMAP = false;
 #else
-# define HAVE_WORKING_MMAP 1
+constexpr bool HAVE_WORKING_MMAP = true;
 #endif
 
 #if SG_HAVE_SENDFILE
@@ -71,11 +73,9 @@ std::string papi_default_config_name = "default";
 std::map</* computation unit name */ std::string, papi_process_data> units2papi_setup;
 #endif
 
-using simgrid::s4u::Actor;
-using simgrid::s4u::ActorPtr;
 std::unordered_map<std::string, double> location2speedup;
 
-static std::map</*process_id*/ ActorPtr, simgrid::smpi::ActorExt*> process_data;
+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;
@@ -102,7 +102,8 @@ static const std::string smpi_default_instance_name("smpirun");
 static simgrid::config::Flag<double> smpi_init_sleep(
   "smpi/init", "Time to inject inside a call to MPI_Init", 0.0);
 
-void (*smpi_comm_copy_data_callback) (smx_activity_t, void*, size_t) = &smpi_comm_copy_buffer_callback;
+void (*smpi_comm_copy_data_callback)(simgrid::kernel::activity::CommImpl*, void*,
+                                     size_t) = &smpi_comm_copy_buffer_callback;
 
 int smpi_process_count()
 {
@@ -111,47 +112,47 @@ int smpi_process_count()
 
 simgrid::smpi::ActorExt* smpi_process()
 {
-  ActorPtr me = Actor::self();
+  simgrid::s4u::ActorPtr me = simgrid::s4u::Actor::self();
 
   if (me == nullptr) // This happens sometimes (eg, when linking against NS3 because it pulls openMPI...)
     return nullptr;
 
-  return process_data.at(me);
+  return process_data.at(me.get());
 }
 
-simgrid::smpi::ActorExt* smpi_process_remote(ActorPtr actor)
+simgrid::smpi::ActorExt* smpi_process_remote(simgrid::s4u::ActorPtr actor)
 {
-  return process_data.at(actor);
+  return process_data.at(actor.get());
 }
 
 MPI_Comm smpi_process_comm_self(){
   return smpi_process()->comm_self();
 }
 
-void smpi_process_init(int *argc, char ***argv){
+MPI_Info smpi_process_info_env(){
+  return smpi_process()->info_env();
+}
+
+void smpi_process_init(int*, char***)
+{
   simgrid::smpi::ActorExt::init();
 }
 
 void * smpi_process_get_user_data(){
-  return Actor::self()->get_impl()->get_user_data();
+  return simgrid::s4u::Actor::self()->get_impl()->get_user_data();
 }
 
 void smpi_process_set_user_data(void *data){
-  Actor::self()->get_impl()->set_user_data(data);
-}
-
-
-int smpi_global_size()
-{
-  char *value = getenv("SMPI_GLOBAL_SIZE");
-  xbt_assert(value,"Please set env var SMPI_GLOBAL_SIZE to the expected number of processes.");
-
-  return xbt_str_parse_int(value, "SMPI_GLOBAL_SIZE contains a non-numerical value: %s");
+  simgrid::s4u::Actor::self()->get_impl()->set_user_data(data);
 }
 
 void smpi_comm_set_copy_data_callback(void (*callback) (smx_activity_t, void*, size_t))
 {
-  smpi_comm_copy_data_callback = callback;
+  static void (*saved_callback)(smx_activity_t, void*, size_t);
+  saved_callback               = callback;
+  smpi_comm_copy_data_callback = [](simgrid::kernel::activity::CommImpl* comm, void* buff, size_t size) {
+    saved_callback(smx_activity_t(comm), buff, size);
+  };
 }
 
 static void memcpy_private(void* dest, const void* src, std::vector<std::pair<size_t, size_t>>& private_blocks)
@@ -165,10 +166,8 @@ static void check_blocks(std::vector<std::pair<size_t, size_t>> &private_blocks,
     xbt_assert(block.first <= block.second && block.second <= buff_size, "Oops, bug in shared malloc.");
 }
 
-void smpi_comm_copy_buffer_callback(smx_activity_t synchro, void *buff, size_t buff_size)
+void smpi_comm_copy_buffer_callback(simgrid::kernel::activity::CommImpl* comm, void* buff, size_t buff_size)
 {
-  simgrid::kernel::activity::CommImplPtr comm =
-      boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
   int src_shared                        = 0;
   int dst_shared                        = 0;
   size_t src_offset                     = 0;
@@ -215,7 +214,7 @@ void smpi_comm_copy_buffer_callback(smx_activity_t synchro, void *buff, size_t b
   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);
@@ -227,7 +226,7 @@ void smpi_comm_copy_buffer_callback(smx_activity_t synchro, void *buff, size_t b
     xbt_free(tmpbuff);
 }
 
-void smpi_comm_null_copy_buffer_callback(smx_activity_t comm, void *buff, size_t buff_size)
+void smpi_comm_null_copy_buffer_callback(simgrid::kernel::activity::CommImpl*, void*, size_t)
 {
   /* nothing done in this version */
 }
@@ -242,8 +241,10 @@ static void smpi_check_options()
   if (simgrid::config::is_default("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.");
+             "Use the option \"--cfg=smpi/host-speed:<flops>\" to set its value.  "
+             "Check "
+             "https://simgrid.org/doc/latest/Configuring_SimGrid.html#automatic-benchmarking-of-smpi-code for more "
+             "information.");
   }
 
   xbt_assert(simgrid::config::get_value<double>("smpi/cpu-threshold") >= 0,
@@ -365,7 +366,6 @@ void smpi_global_destroy()
 
   if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP)
     smpi_destroy_global_memory_segments();
-  smpi_free_static();
   if(simgrid::smpi::F2C::lookup() != nullptr)
     simgrid::smpi::F2C::delete_lookup();
 }
@@ -395,12 +395,10 @@ static void smpi_init_options(){
     XBT_DEBUG("Running without smpi_main(); disable smpi/privatization.");
     smpi_privatize_global_variables = SmpiPrivStrategies::NONE;
   }
-#if !HAVE_WORKING_MMAP
-  if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP) {
+  if (not HAVE_WORKING_MMAP && smpi_privatize_global_variables == SmpiPrivStrategies::MMAP) {
     XBT_INFO("mmap privatization is broken on this platform, switching to dlopen privatization instead.");
     smpi_privatize_global_variables = SmpiPrivStrategies::DLOPEN;
   }
-#endif
 
   if (smpi_cpu_threshold < 0)
     smpi_cpu_threshold = DBL_MAX;
@@ -422,7 +420,7 @@ typedef std::function<int(int argc, char *argv[])> smpi_entry_point_type;
 typedef int (* smpi_c_entry_point_type)(int argc, char **argv);
 typedef void (*smpi_fortran_entry_point_type)();
 
-static int smpi_run_entry_point(smpi_entry_point_type entry_point, const std::string& executable_path,
+static int smpi_run_entry_point(const smpi_entry_point_type& entry_point, const std::string& executable_path,
                                 std::vector<std::string> args)
 {
   // copy C strings, we need them writable
@@ -474,7 +472,7 @@ static smpi_entry_point_type smpi_resolve_function(void* handle)
 {
   smpi_fortran_entry_point_type entry_point_fortran = (smpi_fortran_entry_point_type)dlsym(handle, "user_main_");
   if (entry_point_fortran != nullptr) {
-    return [entry_point_fortran](int argc, char** argv) {
+    return [entry_point_fortran](int, char**) {
       entry_point_fortran();
       return 0;
     };
@@ -660,8 +658,6 @@ static void smpi_init_privatization_no_dlopen(const std::string& executable)
 
 int smpi_main(const char* executable, int argc, char* argv[])
 {
-  srand(SMPI_RAND_SEED);
-
   if (getenv("SMPI_PRETEND_CC") != nullptr) {
     /* Hack to ensure that smpicc can pretend to be a simple compiler. Particularly handy to pass it to the
      * configuration tools */
@@ -672,7 +668,7 @@ int smpi_main(const char* executable, int argc, char* argv[])
   SIMIX_global_init(&argc, argv);
 
   SMPI_switch_data_segment = &smpi_switch_data_segment;
-
+  sg_storage_file_system_init();
   // parse the platform file: get the host list
   simgrid::s4u::Engine::get_instance()->load_platform(argv[1]);
   SIMIX_comm_set_copy_data_callback(smpi_comm_copy_buffer_callback);
@@ -721,13 +717,13 @@ int smpi_main(const char* executable, int argc, char* argv[])
 
 // Called either directly from the user code, or from the code called by smpirun
 void SMPI_init(){
-  simgrid::s4u::Actor::on_creation.connect([](simgrid::s4u::ActorPtr actor) {
-    if (not actor->is_daemon()) {
-      process_data.insert({actor, new simgrid::smpi::ActorExt(actor, nullptr)});
+  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)});
     }
   });
-  simgrid::s4u::Actor::on_destruction.connect([](simgrid::s4u::ActorPtr actor) {
-    auto it = process_data.find(actor);
+  simgrid::s4u::Actor::on_destruction.connect([](simgrid::s4u::Actor const& actor) {
+    auto it = process_data.find(&actor);
     if (it != process_data.end()) {
       delete it->second;
       process_data.erase(it);