-/* Copyright (c) 2007-2022. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2023. 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 "xbt/file.hpp"
#include "src/smpi/include/smpi_actor.hpp"
-#include <unordered_map>
-#ifndef WIN32
-#include <sys/mman.h>
-#endif
#include <cerrno>
#include <cmath>
+#include <sys/mman.h>
+#include <unordered_map>
#if HAVE_PAPI
#include <papi.h>
simgrid::instr::Container::by_name(std::string("rank-") + std::to_string(simgrid::s4u::this_actor::get_pid()));
const papi_counter_t& counter_data = smpi_process()->papi_counters();
- for (auto const& pair : counter_data) {
- container->get_variable(pair.first)->set_event(simgrid::s4u::Engine::get_clock(), pair.second);
+ for (auto const& [counter, value] : counter_data) {
+ container->get_variable(counter)->set_event(simgrid::s4u::Engine::get_clock(), static_cast<double>(value));
}
}
#endif
double secs = trunc(now);
double usecs = (now - secs) * 1e6;
tv->tv_sec = static_cast<time_t>(secs);
- tv->tv_usec = static_cast<decltype(tv->tv_usec)>(usecs); // suseconds_t (or useconds_t on WIN32)
+ tv->tv_usec = static_cast<decltype(tv->tv_usec)>(usecs); // suseconds_t
}
if (smpi_wtime_sleep > 0)
simgrid::s4u::this_actor::sleep_for(smpi_wtime_sleep);
std::unordered_map<SampleLocation, LocalData, std::hash<std::string>> samples;
}
-void smpi_sample_1(int global, const char *file, const char *tag, int iters, double threshold)
+int smpi_sample_cond(int global, const char* file, const char* tag, int iters, double threshold, int iter_count)
{
SampleLocation loc(global, file, tag);
if (not smpi_process()->sampling()) { /* Only at first call when benchmarking, skip for next ones */
smpi_process()->set_sampling(1);
}
- auto insert = samples.try_emplace(loc, LocalData{
- threshold, // threshold
- 0.0, // relstderr
- 0.0, // mean
- 0.0, // sum
- 0.0, // sum_pow2
- iters, // iters
- 0, // count
- true // benching (if we have no data, we need at least one)
- });
- if (insert.second) {
+ auto [sample, inserted] = samples.try_emplace(loc,
+ LocalData{
+ threshold, // threshold
+ 0.0, // relstderr
+ 0.0, // mean
+ 0.0, // sum
+ 0.0, // sum_pow2
+ iters, // iters
+ 0, // count
+ true // benching (if we have no data, we need at least one)
+ });
+ LocalData& data = sample->second;
+
+ if (inserted) {
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??",
THROW_IMPOSSIBLE;
}
- // if we already have some data, check whether sample_2 should get one more bench or whether it should emulate
+ // if we already have some data, check whether we should get one more bench or whether we should emulate
// the computation instead
data.benching = data.need_more_benchs();
XBT_DEBUG("XXXX Re-entering the benched nest %s. %s", loc.c_str(),
(data.benching ? "more benching needed" : "we have enough data, skip computes"));
}
-}
-
-int smpi_sample_2(int global, const char *file,const char *tag, int iter_count)
-{
- SampleLocation loc(global, file, tag);
-
- XBT_DEBUG("sample2 %s %d", loc.c_str(), iter_count);
- auto sample = samples.find(loc);
- xbt_assert(sample != samples.end(),
- "Y U NO use SMPI_SAMPLE_* macros? Stop messing directly with smpi_sample_* functions!");
- const LocalData& data = sample->second;
+ XBT_DEBUG("sample cond %s %d", loc.c_str(), iter_count);
if (data.benching) {
// we need to run a new bench
XBT_DEBUG("benchmarking: count:%d iter:%d stderr:%f thres:%f; mean:%f; total:%f",
return 1;
}
-void smpi_sample_3(int global, const char *file, const char* tag)
+void smpi_sample_iter(int global, const char* file, const char* tag)
{
SampleLocation loc(global, file, tag);
- XBT_DEBUG("sample3 %s", loc.c_str());
+ XBT_DEBUG("sample iter %s", loc.c_str());
auto sample = samples.find(loc);
xbt_assert(sample != samples.end(),
"Y U NO use SMPI_SAMPLE_* macros? Stop messing directly with smpi_sample_* functions!");
LocalData& data = sample->second;
-
- if (not data.benching)
- THROW_IMPOSSIBLE;
+ xbt_assert(data.benching);
// ok, benchmarking this loop is over
xbt_os_threadtimer_stop(smpi_process()->timer());
XBT_DEBUG("Average mean after %d steps is %f, relative standard error is %f (sample was %f)",
data.count, data.mean, data.relstderr, period);
-
- // That's enough for now, prevent sample_2 to run the same code over and over
- data.benching = false;
}
int smpi_sample_exit(int global, const char *file, const char* tag, int iter_count){
smpi_process()->set_optind(optind);
return ret;
}
+
+pid_t smpi_getpid(){
+ return static_cast<pid_t>(simgrid::s4u::this_actor::get_pid());
+}
