-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2020. 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 "src/internal_config.h"
#include "src/mc/mc_replay.hpp"
#include "xbt/config.hpp"
+#include "xbt/file.hpp"
#include "src/smpi/include/smpi_actor.hpp"
#include <unordered_map>
"Minimum time to inject inside a call to MPI_Wtime(), gettimeofday() and clock_gettime()",
1e-8 /* Documented to be 10 ns */);
-double smpi_cpu_threshold = -1;
-double smpi_host_speed;
-
-SharedMallocType smpi_cfg_shared_malloc = SharedMallocType::GLOBAL;
double smpi_total_benched_time = 0;
-void smpi_execute_flops(double flops) {
+// Private execute_flops used by smpi_execute and smpi_execute_benched
+void private_execute_flops(double flops) {
xbt_assert(flops >= 0, "You're trying to execute a negative amount of flops (%f)!", flops);
XBT_DEBUG("Handle real computation time: %f flops", flops);
simgrid::s4u::this_actor::exec_init(flops)
smpi_switch_data_segment(simgrid::s4u::Actor::self());
}
+void smpi_execute_flops(double flops) {
+ int rank = simgrid::s4u::this_actor::get_pid();
+ TRACE_smpi_computing_in(rank, flops);
+
+ private_execute_flops(flops);
+
+ TRACE_smpi_computing_out(rank);
+}
+
void smpi_execute(double duration)
{
- if (duration >= smpi_cpu_threshold) {
+ if (duration >= smpi_cfg_cpu_thresh()) {
XBT_DEBUG("Sleep for %g to handle real computation time", duration);
- double flops = duration * smpi_host_speed;
+ double flops = duration * smpi_cfg_host_speed();
int rank = simgrid::s4u::this_actor::get_pid();
TRACE_smpi_computing_in(rank, flops);
- smpi_execute_flops(flops);
+ private_execute_flops(flops);
TRACE_smpi_computing_out(rank);
} else {
XBT_DEBUG("Real computation took %g while option smpi/cpu-threshold is set to %g => ignore it", duration,
- smpi_cpu_threshold);
+ smpi_cfg_cpu_thresh());
}
}
void smpi_bench_begin()
{
- if (smpi_privatize_global_variables == SmpiPrivStrategies::MMAP) {
+ if (smpi_cfg_privatization() == SmpiPrivStrategies::MMAP) {
smpi_switch_data_segment(simgrid::s4u::Actor::self());
}
return;
#if HAVE_PAPI
- if (not simgrid::config::get_value<std::string>("smpi/papi-events").empty()) {
+ if (not smpi_cfg_papi_events_file().empty()) {
int event_set = smpi_process()->papi_event_set();
// PAPI_start sets everything to 0! See man(3) PAPI_start
if (PAPI_LOW_LEVEL_INITED == PAPI_is_initialized() && PAPI_start(event_set) != PAPI_OK) {
xbt_os_threadtimer_start(smpi_process()->timer());
}
+double smpi_adjust_comp_speed(){
+ double speedup=1;
+ if (smpi_cfg_comp_adjustment_file()[0] != '\0') {
+ smpi_trace_call_location_t* loc = smpi_process()->call_location();
+ std::string key = loc->get_composed_key();
+ std::unordered_map<std::string, double>::const_iterator it = location2speedup.find(key);
+ if (it != location2speedup.end()) {
+ speedup = it->second;
+ }
+ }
+ return speedup;
+}
+
void smpi_bench_end()
{
if (MC_is_active() || MC_record_replay_is_active())
return;
- double speedup = 1;
xbt_os_timer_t timer = smpi_process()->timer();
xbt_os_threadtimer_stop(timer);
* An MPI function has been called and now is the right time to update
* our PAPI counters for this process.
*/
- if (not simgrid::config::get_value<std::string>("smpi/papi-events").empty()) {
+ if (not smpi_cfg_papi_events_file().empty()) {
papi_counter_t& counter_data = smpi_process()->papi_counters();
int event_set = smpi_process()->papi_event_set();
std::vector<long long> event_values = std::vector<long long>(counter_data.size());
}
// Maybe we need to artificially speed up or slow down our computation based on our statistical analysis.
- if (simgrid::config::get_value<std::string>("smpi/comp-adjustment-file")[0] != '\0') {
-
- smpi_trace_call_location_t* loc = smpi_process()->call_location();
- std::string key = loc->get_composed_key();
- std::unordered_map<std::string, double>::const_iterator it = location2speedup.find(key);
- if (it != location2speedup.end()) {
- speedup = it->second;
- }
- }
-
// Simulate the benchmarked computation unless disabled via command-line argument
- if (simgrid::config::get_value<bool>("smpi/simulate-computation")) {
- smpi_execute(xbt_os_timer_elapsed(timer)/speedup);
+ if (smpi_cfg_simulate_computation()) {
+ smpi_execute(xbt_os_timer_elapsed(timer)/smpi_adjust_comp_speed());
}
#if HAVE_PAPI
- if (not simgrid::config::get_value<std::string>("smpi/papi-events").empty() && TRACE_smpi_is_enabled()) {
- container_t container =
+ if (not smpi_cfg_papi_events_file().empty() && TRACE_smpi_is_enabled()) {
+ const simgrid::instr::Container* container =
simgrid::instr::Container::by_name(std::string("rank-") + std::to_string(simgrid::s4u::this_actor::get_pid()));
- papi_counter_t& counter_data = smpi_process()->papi_counters();
+ const papi_counter_t& counter_data = smpi_process()->papi_counters();
for (auto const& pair : counter_data) {
simgrid::instr::VariableType* variable = static_cast<simgrid::instr::VariableType*>(container->type_->by_name(pair.first));
int rank = simgrid::s4u::this_actor::get_pid();
TRACE_smpi_sleeping_in(rank, secs);
- simcall_process_sleep(secs);
+ simgrid::s4u::this_actor::sleep_for(secs);
TRACE_smpi_sleeping_out(rank);
#endif
}
if (smpi_wtime_sleep > 0)
- simcall_process_sleep(smpi_wtime_sleep);
+ simgrid::s4u::this_actor::sleep_for(smpi_wtime_sleep);
smpi_bench_begin();
return 0;
}
tp->tv_nsec = static_cast<long int>((now - tp->tv_sec) * 1e9);
}
if (smpi_wtime_sleep > 0)
- simcall_process_sleep(smpi_wtime_sleep);
+ simgrid::s4u::this_actor::sleep_for(smpi_wtime_sleep);
smpi_bench_begin();
return 0;
}
smpi_bench_end();
time = SIMIX_get_clock();
if (smpi_wtime_sleep > 0)
- simcall_process_sleep(smpi_wtime_sleep);
+ simgrid::s4u::this_actor::sleep_for(smpi_wtime_sleep);
smpi_bench_begin();
} else {
time = SIMIX_get_clock();
0, // count
true // benching (if we have no data, we need at least one)
});
- LocalData& data = insert.first->second;
if (insert.second) {
XBT_DEBUG("XXXXX First time ever on benched nest %s.", loc.c_str());
xbt_assert(threshold > 0 || iters > 0,
"You should provide either a positive amount of iterations to bench, or a positive maximal stderr (or both)");
} else {
+ LocalData& data = insert.first->second;
if (data.iters != iters || data.threshold != threshold) {
XBT_ERROR("Asked to bench block %s with different settings %d, %f is not %d, %f. "
"How did you manage to give two numbers at the same line??",
auto sample = samples.find(loc);
if (sample == samples.end())
xbt_die("Y U NO use SMPI_SAMPLE_* macros? Stop messing directly with smpi_sample_* functions!");
- LocalData& data = sample->second;
+ const LocalData& data = sample->second;
if (data.benching) {
// we need to run a new bench
auto sample = samples.find(loc);
if (sample == samples.end())
xbt_die("Y U NO use SMPI_SAMPLE_* macros? Stop messing directly with smpi_sample_* functions!");
- LocalData& data = sample->second;
if (smpi_process()->sampling()){//end of loop, but still sampling needed
- smpi_process()->set_sampling(0);
- smpi_execute(data.mean*iter_count);
- smpi_bench_begin();
+ const LocalData& data = sample->second;
+ smpi_process()->set_sampling(0);
+ smpi_execute(data.mean * iter_count);
+ smpi_bench_begin();
}
}
return 0;
loc->previous_filename = loc->filename;
loc->previous_linenumber = loc->linenumber;
- loc->filename = file;
- loc->linenumber = line;
+ if(not smpi_cfg_trace_call_use_absolute_path())
+ loc->filename = simgrid::xbt::Path(file).get_base_name();
+ else
+ loc->filename = file;
+ loc->linenumber = line;
}
/** Required for Fortran bindings */
-void smpi_trace_set_call_location_(const char* file, int* line)
+void smpi_trace_set_call_location_(const char* file, const int* line)
{
smpi_trace_set_call_location(file, *line);
}
/** Required for Fortran if -fsecond-underscore is activated */
-void smpi_trace_set_call_location__(const char* file, int* line)
+void smpi_trace_set_call_location__(const char* file, const int* line)
{
smpi_trace_set_call_location(file, *line);
}
