-/* Copyright (c) 2007-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2007-2017. 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. */
+#include "mc/mc.h"
#include "private.h"
#include "private.hpp"
-#include "smpi_mpi_dt_private.h"
-#include "mc/mc.h"
-#include "src/mc/mc_record.h"
-#include "xbt/replay.h"
-#include "surf/surf.h"
-#include "src/simix/smx_private.h"
+#include "simgrid/s4u/Mailbox.hpp"
+#include "smpi/smpi_shared_malloc.hpp"
#include "simgrid/sg_config.h"
+#include "src/kernel/activity/SynchroComm.hpp"
+#include "src/mc/mc_record.h"
#include "src/mc/mc_replay.h"
#include "src/msg/msg_private.h"
-#include "src/simix/SynchroComm.hpp"
-
+#include "src/simix/smx_private.h"
+#include "surf/surf.h"
+#include "xbt/replay.hpp"
+#include <xbt/config.hpp>
-#include <float.h> /* DBL_MAX */
+#include <float.h> /* DBL_MAX */
+#include <fstream>
+#include <map>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
-#include <fstream>
+#include <string>
+#include <vector>
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 HAVE_PAPI
+#include "papi.h"
+const char* papi_default_config_name = "default";
+
+struct papi_process_data {
+ papi_counter_t counter_data;
+ int event_set;
+};
+
+#endif
std::unordered_map<std::string, double> location2speedup;
-typedef struct s_smpi_process_data {
- double simulated;
- int *argc;
- char ***argv;
- smx_mailbox_t mailbox;
- smx_mailbox_t mailbox_small;
- xbt_mutex_t mailboxes_mutex;
- xbt_os_timer_t timer;
- MPI_Comm comm_self;
- MPI_Comm comm_intra;
- MPI_Comm* comm_world;
- void *data; /* user data */
- int index;
- char state;
- int sampling; /* inside an SMPI_SAMPLE_ block? */
- char* instance_id;
- int replaying; /* is the process replaying a trace */
- xbt_bar_t finalization_barrier;
- int return_value;
- smpi_trace_call_location_t* trace_call_loc;
-} s_smpi_process_data_t;
-
-static smpi_process_data_t *process_data = NULL;
+simgrid::smpi::Process **process_data = nullptr;
int process_count = 0;
int smpi_universe_size = 0;
-int* index_to_process_data = NULL;
+int* index_to_process_data = nullptr;
extern double smpi_total_benched_time;
xbt_os_timer_t global_timer;
MPI_Comm MPI_COMM_WORLD = MPI_COMM_UNINITIALIZED;
-MPI_Errhandler *MPI_ERRORS_RETURN = NULL;
-MPI_Errhandler *MPI_ERRORS_ARE_FATAL = NULL;
-MPI_Errhandler *MPI_ERRHANDLER_NULL = NULL;
-
-#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", (int) (sizeof(int) * 2), index);
- return str;
-}
-
-static char *get_mailbox_name_small(char *str, int index)
-{
- snprintf(str, MAILBOX_NAME_MAXLEN, "small%0*x", (int) (sizeof(int) * 2), index);
- return str;
-}
+MPI_Errhandler *MPI_ERRORS_RETURN = nullptr;
+MPI_Errhandler *MPI_ERRORS_ARE_FATAL = nullptr;
+MPI_Errhandler *MPI_ERRHANDLER_NULL = nullptr;
+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(
+ "smpi/init", "Time to inject inside a call to MPI_Init", 0.0);
-void smpi_process_init(int *argc, char ***argv)
-{
- int index=-1;
- smpi_process_data_t data;
- smx_process_t proc;
-
- if (argc && argv) {
- proc = SIMIX_process_self();
- //FIXME: dirty cleanup method to avoid using msg cleanup functions on these processes when using MSG+SMPI
- SIMIX_process_set_cleanup_function(proc, MSG_process_cleanup_from_SIMIX);
- char* instance_id = (*argv)[1];
- int rank = xbt_str_parse_int((*argv)[2], "Invalid rank: %s");
- index = smpi_process_index_of_smx_process(proc);
-
- if(!index_to_process_data){
- index_to_process_data=(int*)xbt_malloc(SIMIX_process_count()*sizeof(int));
- }
+void (*smpi_comm_copy_data_callback) (smx_activity_t, void*, size_t) = &smpi_comm_copy_buffer_callback;
- if(smpi_privatize_global_variables){
- /* Now using segment index of the process */
- index = proc->segment_index;
- /* Done at the process's creation */
- SMPI_switch_data_segment(index);
- }
- MPI_Comm* temp_comm_world;
- xbt_bar_t temp_bar;
- smpi_deployment_register_process(instance_id, rank, index, &temp_comm_world, &temp_bar);
- data = smpi_process_remote_data(index);
- data->comm_world = temp_comm_world;
- if(temp_bar != NULL) data->finalization_barrier = temp_bar;
- data->index = index;
- data->instance_id = instance_id;
- data->replaying = 0;
- //xbt_free(simcall_process_get_data(proc));
-
- simdata_process_t simdata = static_cast<simdata_process_t>(simcall_process_get_data(proc));
- simdata->data = data;
-
- if (*argc > 3) {
- free((*argv)[1]);
- memmove(&(*argv)[0], &(*argv)[2], sizeof(char *) * (*argc - 2));
- (*argv)[(*argc) - 1] = NULL;
- (*argv)[(*argc) - 2] = NULL;
- }
- (*argc)-=2;
- data->argc = argc;
- data->argv = argv;
- // set the process attached to the mailbox
- simcall_mbox_set_receiver(data->mailbox_small, proc);
- XBT_DEBUG("<%d> New process in the game: %p", index, proc);
- }
- xbt_assert(smpi_process_data(),
- "smpi_process_data() returned NULL. You probably gave a NULL parameter to MPI_Init. Although it's required by "
- "MPI-2, this is currently not supported by SMPI.");
-}
-void smpi_process_destroy(void)
+int smpi_process_count()
{
- int index = smpi_process_index();
- if(smpi_privatize_global_variables){
- smpi_switch_data_segment(index);
- }
- process_data[index_to_process_data[index]]->state = SMPI_FINALIZED;
- XBT_DEBUG("<%d> Process left the game", index);
+ return process_count;
}
-/** @brief Prepares the current process for termination. */
-void smpi_process_finalize(void)
+simgrid::smpi::Process* smpi_process()
{
- // This leads to an explosion of the search graph which cannot be reduced:
- if(MC_is_active() || MC_record_replay_is_active())
- return;
-
- int index = smpi_process_index();
- // wait for all pending asynchronous comms to finish
- xbt_barrier_wait(process_data[index_to_process_data[index]]->finalization_barrier);
+ simgrid::MsgActorExt* msgExt = static_cast<simgrid::MsgActorExt*>(SIMIX_process_self()->data);
+ return static_cast<simgrid::smpi::Process*>(msgExt->data);
}
-/** @brief Check if a process is finalized */
-int smpi_process_finalized()
+simgrid::smpi::Process* smpi_process_remote(int index)
{
- int index = smpi_process_index();
- if (index != MPI_UNDEFINED)
- return (process_data[index_to_process_data[index]]->state == SMPI_FINALIZED);
- else
- return 0;
+ return process_data[index_to_process_data[index]];
}
-/** @brief Check if a process is initialized */
-int smpi_process_initialized(void)
-{
- if (!index_to_process_data){
- return false;
- } else{
- int index = smpi_process_index();
- return ((index != MPI_UNDEFINED) && (process_data[index_to_process_data[index]]->state == SMPI_INITIALIZED));
- }
+MPI_Comm smpi_process_comm_self(){
+ return smpi_process()->comm_self();
}
-/** @brief Mark a process as initialized (=MPI_Init called) */
-void smpi_process_mark_as_initialized(void)
-{
- int index = smpi_process_index();
- if ((index != MPI_UNDEFINED) && (process_data[index_to_process_data[index]]->state != SMPI_FINALIZED))
- process_data[index_to_process_data[index]]->state = SMPI_INITIALIZED;
+void smpi_process_init(int *argc, char ***argv){
+ simgrid::smpi::Process::init(argc, argv);
}
-void smpi_process_set_replaying(int value){
- int index = smpi_process_index();
- if ((index != MPI_UNDEFINED) && (process_data[index_to_process_data[index]]->state != SMPI_FINALIZED))
- process_data[index_to_process_data[index]]->replaying = value;
+int smpi_process_index(){
+ return smpi_process()->index();
}
-int smpi_process_get_replaying(){
- int index = smpi_process_index();
- if (index != MPI_UNDEFINED)
- return process_data[index_to_process_data[index]]->replaying;
- else return _xbt_replay_is_active();
-}
-int smpi_global_size(void)
+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");
}
-smpi_process_data_t smpi_process_data(void)
-{
- simdata_process_t simdata = static_cast<simdata_process_t>(SIMIX_process_self_get_data());
- return static_cast<smpi_process_data_t>(simdata->data);
-}
-
-smpi_process_data_t smpi_process_remote_data(int index)
-{
- return process_data[index_to_process_data[index]];
-}
-
-void smpi_process_set_user_data(void *data)
-{
- smpi_process_data_t process_data = smpi_process_data();
- process_data->data = data;
-}
-
-void *smpi_process_get_user_data()
-{
- smpi_process_data_t process_data = smpi_process_data();
- return process_data->data;
-}
-
-int smpi_process_count(void)
-{
- return process_count;
-}
-
-/**
- * \brief Returns a structure that stores the location (filename + linenumber)
- * of the last calls to MPI_* functions.
- *
- * \see smpi_trace_set_call_location
- */
-smpi_trace_call_location_t* smpi_process_get_call_location(void)
-{
- smpi_process_data_t process_data = smpi_process_data();
- return process_data->trace_call_loc;
-}
-
-int smpi_process_index(void)
-{
- smpi_process_data_t data = smpi_process_data();
- //return -1 if not initialized
- return data ? data->index : MPI_UNDEFINED;
-}
-
-MPI_Comm smpi_process_comm_world(void)
-{
- smpi_process_data_t data = smpi_process_data();
- //return MPI_COMM_NULL if not initialized
- return data ? *data->comm_world : MPI_COMM_NULL;
-}
-
-smx_mailbox_t smpi_process_mailbox(void)
-{
- smpi_process_data_t data = smpi_process_data();
- return data->mailbox;
-}
-
-smx_mailbox_t smpi_process_mailbox_small(void)
+void smpi_comm_set_copy_data_callback(void (*callback) (smx_activity_t, void*, size_t))
{
- smpi_process_data_t data = smpi_process_data();
- return data->mailbox_small;
+ smpi_comm_copy_data_callback = callback;
}
-xbt_mutex_t smpi_process_mailboxes_mutex(void)
-{
- smpi_process_data_t data = smpi_process_data();
- return data->mailboxes_mutex;
-}
-
-smx_mailbox_t smpi_process_remote_mailbox(int index)
-{
- smpi_process_data_t data = smpi_process_remote_data(index);
- return data->mailbox;
-}
-
-smx_mailbox_t smpi_process_remote_mailbox_small(int index)
-{
- smpi_process_data_t data = smpi_process_remote_data(index);
- return data->mailbox_small;
-}
-
-xbt_mutex_t smpi_process_remote_mailboxes_mutex(int index)
-{
- smpi_process_data_t data = smpi_process_remote_data(index);
- return data->mailboxes_mutex;
-}
-
-xbt_os_timer_t smpi_process_timer(void)
-{
- smpi_process_data_t data = smpi_process_data();
- return data->timer;
-}
-
-void smpi_process_simulated_start(void)
-{
- smpi_process_data_t data = smpi_process_data();
- data->simulated = SIMIX_get_clock();
-}
-
-double smpi_process_simulated_elapsed(void)
-{
- smpi_process_data_t data = smpi_process_data();
- return SIMIX_get_clock() - data->simulated;
+static void print(std::vector<std::pair<size_t, size_t>> vec) {
+ fprintf(stderr, "{");
+ for(auto elt: vec) {
+ fprintf(stderr, "(0x%lx, 0x%lx),", elt.first, elt.second);
+ }
+ fprintf(stderr, "}\n");
}
-
-MPI_Comm smpi_process_comm_self(void)
-{
- smpi_process_data_t data = smpi_process_data();
- if(data->comm_self==MPI_COMM_NULL){
- MPI_Group group = smpi_group_new(1);
- data->comm_self = smpi_comm_new(group, NULL);
- smpi_group_set_mapping(group, smpi_process_index(), 0);
+static void memcpy_private(void *dest, const void *src, size_t n, std::vector<std::pair<size_t, size_t>> &private_blocks) {
+ for(auto block : private_blocks) {
+ memcpy((uint8_t*)dest+block.first, (uint8_t*)src+block.first, block.second-block.first);
}
-
- return data->comm_self;
-}
-
-MPI_Comm smpi_process_get_comm_intra(void)
-{
- smpi_process_data_t data = smpi_process_data();
- return data->comm_intra;
-}
-
-void smpi_process_set_comm_intra(MPI_Comm comm)
-{
- smpi_process_data_t data = smpi_process_data();
- data->comm_intra = comm;
-}
-
-void smpi_process_set_sampling(int s)
-{
- smpi_process_data_t data = smpi_process_data();
- data->sampling = s;
}
-int smpi_process_get_sampling(void)
-{
- smpi_process_data_t data = smpi_process_data();
- return data->sampling;
-}
-
-void print_request(const char *message, MPI_Request request)
-{
- XBT_VERB("%s request %p [buf = %p, size = %zu, src = %d, dst = %d, tag = %d, flags = %x]",
- message, request, request->buf, request->size, request->src, request->dst, request->tag, request->flags);
+static void check_blocks(std::vector<std::pair<size_t, size_t>> &private_blocks, size_t buff_size) {
+ for(auto block : private_blocks) {
+ xbt_assert(block.first <= block.second && block.second <= buff_size, "Oops, bug in shared malloc.");
+ }
}
-void smpi_comm_copy_buffer_callback(smx_synchro_t synchro, void *buff, size_t buff_size)
+void smpi_comm_copy_buffer_callback(smx_activity_t synchro, void *buff, size_t buff_size)
{
+ simgrid::kernel::activity::Comm *comm = dynamic_cast<simgrid::kernel::activity::Comm*>(synchro);
+ int src_shared=0, dst_shared=0;
+ size_t src_offset=0, 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))) {
+ 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);
+ }
+ else {
+ 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))) {
+ 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);
+ }
+ else {
+ dst_private_blocks.clear();
+ dst_private_blocks.push_back(std::make_pair(0, buff_size));
+ }
+/*
+ fprintf(stderr, "size: 0x%x\n", buff_size);
+ fprintf(stderr, "src: ");
+ print(src_private_blocks);
+ fprintf(stderr, "src_offset = 0x%x\n", src_offset);
+ fprintf(stderr, "dst: ");
+ print(dst_private_blocks);
+ fprintf(stderr, "dst_offset = 0x%x\n", dst_offset);
+*/
+ check_blocks(src_private_blocks, buff_size);
+ check_blocks(dst_private_blocks, buff_size);
+ auto private_blocks = merge_private_blocks(src_private_blocks, dst_private_blocks);
+/*
+ fprintf(stderr, "Private blocks: ");
+ print(private_blocks);
+*/
+ check_blocks(private_blocks, buff_size);
void* tmpbuff=buff;
- simgrid::simix::Comm *comm = dynamic_cast<simgrid::simix::Comm*>(synchro);
-
- if((smpi_privatize_global_variables) && ((char*)buff >= smpi_start_data_exe)
- && ((char*)buff < smpi_start_data_exe + smpi_size_data_exe )
+ if((smpi_privatize_global_variables) && (static_cast<char*>(buff) >= smpi_start_data_exe)
+ && (static_cast<char*>(buff) < smpi_start_data_exe + smpi_size_data_exe )
){
XBT_DEBUG("Privatization : We are copying from a zone inside global memory... Saving data to temp buffer !");
-
- smpi_switch_data_segment(((smpi_process_data_t)(((simdata_process_t)SIMIX_process_get_data(comm->src_proc))->data))->index);
- tmpbuff = (void*)xbt_malloc(buff_size);
- memcpy(tmpbuff, buff, buff_size);
+ smpi_switch_data_segment(
+ (static_cast<simgrid::smpi::Process*>((static_cast<simgrid::MsgActorExt*>(comm->src_proc->data)->data))->index()));
+ tmpbuff = static_cast<void*>(xbt_malloc(buff_size));
+ memcpy_private(tmpbuff, buff, buff_size, private_blocks);
}
if((smpi_privatize_global_variables) && ((char*)comm->dst_buff >= smpi_start_data_exe)
&& ((char*)comm->dst_buff < smpi_start_data_exe + smpi_size_data_exe )){
XBT_DEBUG("Privatization : We are copying to a zone inside global memory - Switch data segment");
- smpi_switch_data_segment(((smpi_process_data_t)(((simdata_process_t)SIMIX_process_get_data(comm->dst_proc))->data))->index);
+ smpi_switch_data_segment(
+ (static_cast<simgrid::smpi::Process*>((static_cast<simgrid::MsgActorExt*>(comm->dst_proc->data)->data))->index()));
}
- memcpy(comm->dst_buff, tmpbuff, buff_size);
+ XBT_DEBUG("Copying %zu bytes from %p to %p", buff_size, tmpbuff,comm->dst_buff);
+ memcpy_private(comm->dst_buff, tmpbuff, buff_size, private_blocks);
+
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);
//It seems that the request is used after the call there this should be free somewhere else but where???
//xbt_free(comm->comm.src_data);// inside SMPI the request is kept inside the user data and should be free
- comm->src_buff = NULL;
+ comm->src_buff = nullptr;
}
-
if(tmpbuff!=buff)xbt_free(tmpbuff);
+
}
-void smpi_comm_null_copy_buffer_callback(smx_synchro_t comm, void *buff, size_t buff_size)
+void smpi_comm_null_copy_buffer_callback(smx_activity_t comm, void *buff, size_t buff_size)
{
- return;
+ /* nothing done in this version */
}
static void smpi_check_options(){
xbt_assert(xbt_cfg_get_int("smpi/async-small-thresh") <= xbt_cfg_get_int("smpi/send-is-detached-thresh"));
- if (xbt_cfg_is_default_value("smpi/running-power")) {
+ 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/running-power:<flops>\" to set its value."
+ "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.");
}
-int smpi_enabled(void) {
- return process_data != NULL;
+int smpi_enabled() {
+ return process_data != nullptr;
}
-void smpi_global_init(void)
+void smpi_global_init()
{
int i;
MPI_Group group;
- char name[MAILBOX_NAME_MAXLEN];
int smpirun=0;
if (!MC_is_active()) {
}
}
+#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))
+ // and the (computed) event_set.
+ std::map</* computation unit name */ std::string, papi_process_data> units2papi_setup;
+
+ if (xbt_cfg_get_string("smpi/papi-events")[0] != '\0') {
+ if (PAPI_library_init(PAPI_VER_CURRENT) != PAPI_VER_CURRENT)
+ XBT_ERROR("Could not initialize PAPI library; is it correctly installed and linked?"
+ " Expected version is %i",
+ PAPI_VER_CURRENT);
+
+ typedef boost::tokenizer<boost::char_separator<char>> Tokenizer;
+ boost::char_separator<char> separator_units(";");
+ std::string str = std::string(xbt_cfg_get_string("smpi/papi-events"));
+ Tokenizer tokens(str, separator_units);
+
+ // Iterate over all the computational units. This could be
+ // processes, hosts, threads, ranks... You name it. I'm not exactly
+ // sure what we will support eventually, so I'll leave it at the
+ // general term "units".
+ for (auto& unit_it : tokens) {
+ boost::char_separator<char> separator_events(":");
+ Tokenizer event_tokens(unit_it, separator_events);
+
+ int event_set = PAPI_NULL;
+ if (PAPI_create_eventset(&event_set) != PAPI_OK) {
+ // TODO: Should this let the whole simulation die?
+ XBT_CRITICAL("Could not create PAPI event set during init.");
+ }
+
+ // NOTE: We cannot use a map here, as we must obey the order of the counters
+ // This is important for PAPI: We need to map the values of counters back
+ // to the event_names (so, when PAPI_read() has finished)!
+ papi_counter_t counters2values;
+
+ // Iterate over all counters that were specified for this specific
+ // unit.
+ // Note that we need to remove the name of the unit
+ // (that could also be the "default" value), which always comes first.
+ // Hence, we start at ++(events.begin())!
+ for (Tokenizer::iterator events_it = ++(event_tokens.begin()); events_it != event_tokens.end(); events_it++) {
+
+ int event_code = PAPI_NULL;
+ char* event_name = const_cast<char*>((*events_it).c_str());
+ if (PAPI_event_name_to_code(event_name, &event_code) == PAPI_OK) {
+ if (PAPI_add_event(event_set, event_code) != PAPI_OK) {
+ XBT_ERROR("Could not add PAPI event '%s'. Skipping.", event_name);
+ continue;
+ } else {
+ XBT_DEBUG("Successfully added PAPI event '%s' to the event set.", event_name);
+ }
+ } else {
+ XBT_CRITICAL("Could not find PAPI event '%s'. Skipping.", event_name);
+ continue;
+ }
+
+ counters2values.push_back(
+ // We cannot just pass *events_it, as this is of type const basic_string
+ std::make_pair<std::string, long long>(std::string(*events_it), 0));
+ }
+
+ std::string unit_name = *(event_tokens.begin());
+ papi_process_data config = {.counter_data = std::move(counters2values), .event_set = event_set};
+
+ units2papi_setup.insert(std::make_pair(unit_name, std::move(config)));
+ }
+ }
+#endif
if (process_count == 0){
process_count = SIMIX_process_count();
smpirun=1;
}
smpi_universe_size = process_count;
- process_data = xbt_new0(smpi_process_data_t, process_count);
+ process_data = new simgrid::smpi::Process*[process_count];
for (i = 0; i < process_count; i++) {
- process_data[i] = xbt_new(s_smpi_process_data_t, 1);
- //process_data[i]->index = i;
- process_data[i]->argc = NULL;
- process_data[i]->argv = NULL;
- process_data[i]->mailbox = simcall_mbox_create(get_mailbox_name(name, i));
- process_data[i]->mailbox_small = simcall_mbox_create(get_mailbox_name_small(name, i));
- process_data[i]->mailboxes_mutex = xbt_mutex_init();
- process_data[i]->timer = xbt_os_timer_new();
- if (MC_is_active())
- MC_ignore_heap(process_data[i]->timer, xbt_os_timer_size());
- process_data[i]->comm_self = MPI_COMM_NULL;
- process_data[i]->comm_intra = MPI_COMM_NULL;
- process_data[i]->comm_world = NULL;
- process_data[i]->state = SMPI_UNINITIALIZED;
- process_data[i]->sampling = 0;
- process_data[i]->finalization_barrier = NULL;
- process_data[i]->return_value = 0;
- process_data[i]->trace_call_loc = xbt_new(smpi_trace_call_location_t, 1);
+ process_data[i] = new simgrid::smpi::Process(i);
}
//if the process was launched through smpirun script we generate a global mpi_comm_world
//if not, we let MPI_COMM_NULL, and the comm world will be private to each mpi instance
if(smpirun){
- group = smpi_group_new(process_count);
- MPI_COMM_WORLD = smpi_comm_new(group, NULL);
- MPI_Attr_put(MPI_COMM_WORLD, MPI_UNIVERSE_SIZE, (void *)(MPI_Aint)process_count);
- xbt_bar_t bar=xbt_barrier_init(process_count);
+ group = new simgrid::smpi::Group(process_count);
+ MPI_COMM_WORLD = new simgrid::smpi::Comm(group, nullptr);
+ MPI_Attr_put(MPI_COMM_WORLD, MPI_UNIVERSE_SIZE, reinterpret_cast<void *>(process_count));
+ msg_bar_t bar = MSG_barrier_init(process_count);
for (i = 0; i < process_count; i++) {
- smpi_group_set_mapping(group, i, i);
- process_data[i]->finalization_barrier = bar;
+ group->set_mapping(i, i);
+ process_data[i]->set_finalization_barrier(bar);
}
}
}
-void smpi_global_destroy(void)
+void smpi_global_destroy()
{
int count = smpi_process_count();
- int i;
smpi_bench_destroy();
+ smpi_shared_destroy();
if (MPI_COMM_WORLD != MPI_COMM_UNINITIALIZED){
- while (smpi_group_unuse(smpi_comm_group(MPI_COMM_WORLD)) > 0);
- xbt_barrier_destroy(process_data[0]->finalization_barrier);
+ delete MPI_COMM_WORLD->group();
+ MSG_barrier_destroy(process_data[0]->finalization_barrier());
}else{
smpi_deployment_cleanup_instances();
}
- for (i = 0; i < count; i++) {
- if(process_data[i]->comm_self!=MPI_COMM_NULL){
- smpi_comm_destroy(process_data[i]->comm_self);
+ for (int i = 0; i < count; i++) {
+ if(process_data[i]->comm_self()!=MPI_COMM_NULL){
+ simgrid::smpi::Comm::destroy(process_data[i]->comm_self());
}
- if(process_data[i]->comm_intra!=MPI_COMM_NULL){
- smpi_comm_destroy(process_data[i]->comm_intra);
+ if(process_data[i]->comm_intra()!=MPI_COMM_NULL){
+ simgrid::smpi::Comm::destroy(process_data[i]->comm_intra());
}
- xbt_os_timer_free(process_data[i]->timer);
- xbt_mutex_destroy(process_data[i]->mailboxes_mutex);
- xbt_free(process_data[i]->trace_call_loc);
- xbt_free(process_data[i]);
+ xbt_os_timer_free(process_data[i]->timer());
+ xbt_mutex_destroy(process_data[i]->mailboxes_mutex());
+ delete process_data[i];
}
- xbt_free(process_data);
- process_data = NULL;
+ delete[] process_data;
+ process_data = nullptr;
if (MPI_COMM_WORLD != MPI_COMM_UNINITIALIZED){
- smpi_comm_cleanup_smp(MPI_COMM_WORLD);
- smpi_comm_cleanup_attributes(MPI_COMM_WORLD);
- if(smpi_coll_cleanup_callback!=NULL)
- smpi_coll_cleanup_callback();
- xbt_free(MPI_COMM_WORLD);
+ MPI_COMM_WORLD->cleanup_smp();
+ MPI_COMM_WORLD->cleanup_attr<simgrid::smpi::Comm>();
+ if(simgrid::smpi::Colls::smpi_coll_cleanup_callback!=nullptr)
+ simgrid::smpi::Colls::smpi_coll_cleanup_callback();
+ delete MPI_COMM_WORLD;
}
MPI_COMM_WORLD = MPI_COMM_NULL;
smpi_free_static();
}
+extern "C" {
+
#ifndef WIN32
void __attribute__ ((weak)) user_main_()
{
xbt_die("Should not be in this smpi_simulated_main");
- return;
}
int __attribute__ ((weak)) smpi_simulated_main_(int argc, char **argv)
{
- smpi_process_init(&argc, &argv);
+ simgrid::smpi::Process::init(&argc, &argv);
user_main_();
return 0;
}
int ret = smpi_simulated_main_(argc,argv);
if(ret !=0){
XBT_WARN("SMPI process did not return 0. Return value : %d", ret);
- smpi_process_data()->return_value=ret;
+ smpi_process()->set_return_value(ret);
}
return 0;
}
#endif
-extern "C" {
static void smpi_init_logs(){
/* Connect log categories. See xbt/log.c */
XBT_LOG_CONNECT(smpi); /* Keep this line as soon as possible in this function: xbt_log_appender_file.c depends on it
DO NOT connect this in XBT or so, or it will be useless to xbt_log_appender_file.c */
XBT_LOG_CONNECT(instr_smpi);
- XBT_LOG_CONNECT(smpi_base);
XBT_LOG_CONNECT(smpi_bench);
XBT_LOG_CONNECT(smpi_coll);
XBT_LOG_CONNECT(smpi_colls);
XBT_LOG_CONNECT(smpi_comm);
+ XBT_LOG_CONNECT(smpi_datatype);
XBT_LOG_CONNECT(smpi_dvfs);
XBT_LOG_CONNECT(smpi_group);
XBT_LOG_CONNECT(smpi_kernel);
XBT_LOG_CONNECT(smpi_mpi);
- XBT_LOG_CONNECT(smpi_mpi_dt);
+ XBT_LOG_CONNECT(smpi_memory);
+ XBT_LOG_CONNECT(smpi_op);
XBT_LOG_CONNECT(smpi_pmpi);
+ XBT_LOG_CONNECT(smpi_request);
XBT_LOG_CONNECT(smpi_replay);
XBT_LOG_CONNECT(smpi_rma);
+ XBT_LOG_CONNECT(smpi_shared);
+ XBT_LOG_CONNECT(smpi_utils);
}
}
static void smpi_init_options(){
- int gather_id = find_coll_description(mpi_coll_gather_description, xbt_cfg_get_string("smpi/gather"),"gather");
- mpi_coll_gather_fun = (int (*)(void *, int, MPI_Datatype, void *, int, MPI_Datatype, int, MPI_Comm))
- mpi_coll_gather_description[gather_id].coll;
-
- int allgather_id = find_coll_description(mpi_coll_allgather_description,
- xbt_cfg_get_string("smpi/allgather"),"allgather");
- mpi_coll_allgather_fun = (int (*)(void *, int, MPI_Datatype, void *, int, MPI_Datatype, MPI_Comm))
- mpi_coll_allgather_description[allgather_id].coll;
-
- int allgatherv_id = find_coll_description(mpi_coll_allgatherv_description,
- xbt_cfg_get_string("smpi/allgatherv"),"allgatherv");
- mpi_coll_allgatherv_fun = (int (*)(void *, int, MPI_Datatype, void *, int *, int *, MPI_Datatype, MPI_Comm))
- mpi_coll_allgatherv_description[allgatherv_id].coll;
-
- int allreduce_id = find_coll_description(mpi_coll_allreduce_description,
- xbt_cfg_get_string("smpi/allreduce"),"allreduce");
- mpi_coll_allreduce_fun = (int (*)(void *sbuf, void *rbuf, int rcount, MPI_Datatype dtype, MPI_Op op, MPI_Comm comm))
- mpi_coll_allreduce_description[allreduce_id].coll;
-
- int alltoall_id = find_coll_description(mpi_coll_alltoall_description,
- xbt_cfg_get_string("smpi/alltoall"),"alltoall");
- mpi_coll_alltoall_fun = (int (*)(void *, int, MPI_Datatype, void *, int, MPI_Datatype, MPI_Comm))
- mpi_coll_alltoall_description[alltoall_id].coll;
-
- int alltoallv_id = find_coll_description(mpi_coll_alltoallv_description,
- xbt_cfg_get_string("smpi/alltoallv"),"alltoallv");
- mpi_coll_alltoallv_fun = (int (*)(void *, int *, int *, MPI_Datatype, void *, int *, int *, MPI_Datatype, MPI_Comm))
- mpi_coll_alltoallv_description[alltoallv_id].coll;
-
- int bcast_id = find_coll_description(mpi_coll_bcast_description, xbt_cfg_get_string("smpi/bcast"),"bcast");
- mpi_coll_bcast_fun = (int (*)(void *buf, int count, MPI_Datatype datatype, int root, MPI_Comm com))
- mpi_coll_bcast_description[bcast_id].coll;
-
- int reduce_id = find_coll_description(mpi_coll_reduce_description, xbt_cfg_get_string("smpi/reduce"),"reduce");
- mpi_coll_reduce_fun = (int (*)(void *buf, void *rbuf, int count, MPI_Datatype datatype, MPI_Op op, int root,
- MPI_Comm comm)) mpi_coll_reduce_description[reduce_id].coll;
-
- int reduce_scatter_id =
- find_coll_description(mpi_coll_reduce_scatter_description,
- xbt_cfg_get_string("smpi/reduce-scatter"),"reduce_scatter");
- mpi_coll_reduce_scatter_fun = (int (*)(void *sbuf, void *rbuf, int *rcounts,MPI_Datatype dtype, MPI_Op op,
- MPI_Comm comm)) mpi_coll_reduce_scatter_description[reduce_scatter_id].coll;
-
- int scatter_id = find_coll_description(mpi_coll_scatter_description, xbt_cfg_get_string("smpi/scatter"),"scatter");
- mpi_coll_scatter_fun = (int (*)(void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf,
- int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm))
- mpi_coll_scatter_description[scatter_id].coll;
-
- int barrier_id = find_coll_description(mpi_coll_barrier_description, xbt_cfg_get_string("smpi/barrier"),"barrier");
- mpi_coll_barrier_fun = (int (*)(MPI_Comm comm)) mpi_coll_barrier_description[barrier_id].coll;
-
- smpi_coll_cleanup_callback=NULL;
+
+ simgrid::smpi::Colls::set_collectives();
+ simgrid::smpi::Colls::smpi_coll_cleanup_callback=nullptr;
smpi_cpu_threshold = xbt_cfg_get_double("smpi/cpu-threshold");
- smpi_running_power = xbt_cfg_get_double("smpi/running-power");
+ smpi_host_speed = xbt_cfg_get_double("smpi/host-speed");
smpi_privatize_global_variables = xbt_cfg_get_boolean("smpi/privatize-global-variables");
if (smpi_cpu_threshold < 0)
smpi_cpu_threshold = DBL_MAX;
+
+ char* val = xbt_cfg_get_string("smpi/shared-malloc");
+ if (!strcasecmp(val, "yes") || !strcmp(val, "1") || !strcasecmp(val, "on") || !strcasecmp(val, "global")) {
+ smpi_cfg_shared_malloc = shmalloc_global;
+ } else if (!strcasecmp(val, "local")) {
+ smpi_cfg_shared_malloc = shmalloc_local;
+ } else if (!strcasecmp(val, "no") || !strcmp(val, "0") || !strcasecmp(val, "off")) {
+ smpi_cfg_shared_malloc = shmalloc_none;
+ } else {
+ xbt_die("Invalid value '%s' for option smpi/shared-malloc. Possible values: 'on' or 'global', 'local', 'off'",
+ val);
+ }
}
int smpi_main(int (*realmain) (int argc, char *argv[]), int argc, char *argv[])
{
srand(SMPI_RAND_SEED);
- if (getenv("SMPI_PRETEND_CC") != NULL) {
+ 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 */
return 0;
SIMIX_global_init(&argc, argv);
MSG_init(&argc,argv);
- SMPI_switch_data_segment = smpi_switch_data_segment;
+ SMPI_switch_data_segment = &smpi_switch_data_segment;
smpi_init_options();
// parse the platform file: get the host list
SIMIX_create_environment(argv[1]);
- SIMIX_comm_set_copy_data_callback(&smpi_comm_copy_buffer_callback);
+ SIMIX_comm_set_copy_data_callback(smpi_comm_copy_data_callback);
SIMIX_function_register_default(realmain);
SIMIX_launch_application(argv[2]);
int count = smpi_process_count();
int i, ret=0;
for (i = 0; i < count; i++) {
- if(process_data[i]->return_value!=0){
- ret=process_data[i]->return_value;//return first non 0 value
+ if(process_data[i]->return_value()!=0){
+ ret=process_data[i]->return_value();//return first non 0 value
break;
}
}
void SMPI_finalize(){
smpi_global_destroy();
}
+
+void smpi_mpi_init() {
+ if(smpi_init_sleep > 0)
+ simcall_process_sleep(smpi_init_sleep);
+}
+
+double smpi_mpi_wtime(){
+ double time;
+ if (smpi_process()->initialized() != 0 && smpi_process()->finalized() == 0 && smpi_process()->sampling() == 0) {
+ smpi_bench_end();
+ time = SIMIX_get_clock();
+ // to avoid deadlocks if used as a break condition, such as
+ // while (MPI_Wtime(...) < time_limit) {
+ // ....
+ // }
+ // because the time will not normally advance when only calls to MPI_Wtime
+ // are made -> deadlock (MPI_Wtime never reaches the time limit)
+ if(smpi_wtime_sleep > 0)
+ simcall_process_sleep(smpi_wtime_sleep);
+ smpi_bench_begin();
+ } else {
+ time = SIMIX_get_clock();
+ }
+ return time;
+}
+
