#include <celero/Celero.h>
#include <alsk/alsk.h>

constexpr unsigned samples    = 20;
constexpr unsigned iterations = 500;

constexpr unsigned count      = 1'000'000;

namespace {

unsigned r;
void *f(void * = nullptr) {
	r = 0;
	for(unsigned volatile i = 0; i < count; ++i) r += r;
	return &r;
}

}

BASELINE(Thread, None, samples, iterations) {
	celero::DoNotOptimizeAway(f());
}

BENCHMARK(Thread, cthread, samples, iterations) {
	void *r;
	pthread_t thread;
	pthread_create(&thread, NULL, f, NULL);
	pthread_join(thread, &r);
	celero::DoNotOptimizeAway(r);
}

BENCHMARK(Thread, stdthread, samples, iterations) {
	std::thread thread{f, nullptr};
	thread.join();
	celero::DoNotOptimizeAway(thread);
}