/* parmap_test -- test parmap */
-/* Copyright (c) 2007-2020. 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 "src/internal_config.h" // HAVE_FUTEX_H
+#include "src/xbt/parmap.hpp"
#include <simgrid/s4u/Engine.hpp>
-#include <xbt.h>
-#include <xbt/parmap.hpp>
+#include <xbt/log.h>
#include <algorithm>
+#include <chrono>
#include <cstdlib>
#include <numeric> // std::iota
-#include <sstream>
#include <thread>
#include <vector>
XBT_LOG_NEW_DEFAULT_CATEGORY(parmap_test, "Test for parmap");
-static void fun_double(unsigned* arg)
-{
- *arg = 2 * *arg + 1;
-}
-
static int test_parmap_basic(e_xbt_parmap_mode_t mode)
{
int ret = 0;
std::iota(begin(data), end(data), &a[0]);
for (unsigned i = 0; i < num; i++)
- parmap.apply(fun_double, data);
+ parmap.apply([](unsigned* arg) { *arg = 2 * *arg + 1; }, data);
for (unsigned i = 0; i < len; i++) {
unsigned expected = (1U << num) * (i + 1) - 1;
return ret;
}
-static void fun_get_id(std::string* arg)
-{
- std::stringstream ss;
- ss << std::this_thread::get_id();
- *arg = ss.str();
- xbt_os_sleep(0.05);
-}
-
static int test_parmap_extended(e_xbt_parmap_mode_t mode)
{
int ret = 0;
for (unsigned num_workers = 1; num_workers <= 16; num_workers *= 2) {
const unsigned len = 2 * num_workers;
- simgrid::xbt::Parmap<std::string*> parmap(num_workers, mode);
- std::vector<std::string> a(len);
- std::vector<std::string*> data(len);
+ simgrid::xbt::Parmap<std::thread::id*> parmap(num_workers, mode);
+ std::vector<std::thread::id> a(len);
+ std::vector<std::thread::id*> data(len);
std::iota(begin(data), end(data), &a[0]);
- parmap.apply(fun_get_id, data);
-
- std::sort(begin(a), end(a));
- unsigned count = static_cast<unsigned>(std::distance(begin(a), std::unique(begin(a), end(a))));
+ unsigned sleep_ms = 10;
+ unsigned count;
+ while (true) {
+ parmap.apply(
+ [sleep_ms](std::thread::id* arg) {
+ *arg = std::this_thread::get_id();
+ std::this_thread::sleep_for(std::chrono::milliseconds(sleep_ms));
+ },
+ data);
+ std::sort(begin(a), end(a));
+ count = static_cast<unsigned>(std::distance(begin(a), std::unique(begin(a), end(a))));
+ if (count == num_workers || sleep_ms > 250)
+ break;
+ sleep_ms *= 2;
+ XBT_DEBUG("Failure. Try again with duration = %ums", sleep_ms);
+ }
if (count != num_workers) {
XBT_CRITICAL("only %u/%u threads did some work", count, num_workers);
ret = 1;
int status = 0;
xbt_log_control_set("parmap_test.fmt:[%c/%p]%e%m%n");
simgrid::s4u::Engine e(&argc, argv);
- SIMIX_context_set_nthreads(16); // dummy value > 1
+ simgrid::kernel::context::Context::set_nthreads(16); // dummy value > 1
XBT_INFO("Basic testing posix");
status += test_parmap_basic(XBT_PARMAP_POSIX);