118 lines
2.6 KiB
C++
118 lines
2.6 KiB
C++
// Copyright (c) 2012-2013 The Cryptonote developers
|
|
// Distributed under the MIT/X11 software license, see the accompanying
|
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
#pragma once
|
|
|
|
#include <iostream>
|
|
#include <stdint.h>
|
|
|
|
#include <boost/chrono.hpp>
|
|
|
|
class performance_timer
|
|
{
|
|
public:
|
|
typedef boost::chrono::high_resolution_clock clock;
|
|
|
|
performance_timer()
|
|
{
|
|
m_base = clock::now();
|
|
}
|
|
|
|
void start()
|
|
{
|
|
m_start = clock::now();
|
|
}
|
|
|
|
int elapsed_ms()
|
|
{
|
|
clock::duration elapsed = clock::now() - m_start;
|
|
return static_cast<int>(boost::chrono::duration_cast<boost::chrono::milliseconds>(elapsed).count());
|
|
}
|
|
|
|
private:
|
|
clock::time_point m_base;
|
|
clock::time_point m_start;
|
|
};
|
|
|
|
|
|
template <typename T>
|
|
class test_runner
|
|
{
|
|
public:
|
|
test_runner()
|
|
: m_elapsed(0)
|
|
{
|
|
}
|
|
|
|
bool run()
|
|
{
|
|
T test;
|
|
if (!test.init())
|
|
return false;
|
|
|
|
performance_timer timer;
|
|
timer.start();
|
|
warm_up();
|
|
std::cout << "Warm up: " << timer.elapsed_ms() << " ms" << std::endl;
|
|
|
|
timer.start();
|
|
for (size_t i = 0; i < T::loop_count; ++i)
|
|
{
|
|
if (!test.test())
|
|
return false;
|
|
}
|
|
m_elapsed = timer.elapsed_ms();
|
|
|
|
return true;
|
|
}
|
|
|
|
int elapsed_time() const { return m_elapsed; }
|
|
|
|
int time_per_call() const
|
|
{
|
|
static_assert(0 < T::loop_count, "T::loop_count must be greater than 0");
|
|
return m_elapsed / T::loop_count;
|
|
}
|
|
|
|
private:
|
|
/**
|
|
* Warm up processor core, enabling turbo boost, etc.
|
|
*/
|
|
uint64_t warm_up()
|
|
{
|
|
const size_t warm_up_rounds = 1000 * 1000 * 1000;
|
|
m_warm_up = 0;
|
|
for (size_t i = 0; i < warm_up_rounds; ++i)
|
|
{
|
|
++m_warm_up;
|
|
}
|
|
return m_warm_up;
|
|
}
|
|
|
|
private:
|
|
volatile uint64_t m_warm_up; ///<! This field is intended for preclude compiler optimizations
|
|
int m_elapsed;
|
|
};
|
|
|
|
template <typename T>
|
|
void run_test(const char* test_name)
|
|
{
|
|
test_runner<T> runner;
|
|
if (runner.run())
|
|
{
|
|
std::cout << test_name << " - OK:\n";
|
|
std::cout << " loop count: " << T::loop_count << '\n';
|
|
std::cout << " elapsed: " << runner.elapsed_time() << " ms\n";
|
|
std::cout << " time per call: " << runner.time_per_call() << " ms/call\n" << std::endl;
|
|
}
|
|
else
|
|
{
|
|
std::cout << test_name << " - FAILED" << std::endl;
|
|
}
|
|
}
|
|
|
|
#define QUOTEME(x) #x
|
|
#define TEST_PERFORMANCE0(test_class) run_test< test_class >(QUOTEME(test_class))
|
|
#define TEST_PERFORMANCE1(test_class, a0) run_test< test_class<a0> >(QUOTEME(test_class<a0>))
|
|
#define TEST_PERFORMANCE2(test_class, a0, a1) run_test< test_class<a0, a1> >(QUOTEME(test_class) "<" QUOTEME(a0) ", " QUOTEME(a1) ">")
|