53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
//
|
|
// Copyright (c) 2018 Stefan Seefeld
|
|
// All rights reserved.
|
|
//
|
|
// This file is part of Boost.uBLAS. It is made available under the
|
|
// Boost Software License, Version 1.0.
|
|
// (Consult LICENSE or http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
#pragma once
|
|
|
|
#include <iostream>
|
|
#include <chrono>
|
|
#include <ctime>
|
|
#include <cmath>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
namespace boost { namespace numeric { namespace ublas { namespace benchmark {
|
|
|
|
class benchmark
|
|
{
|
|
using clock = std::chrono::system_clock;
|
|
public:
|
|
benchmark(std::string const &name) : name_(name) {}
|
|
void print_header()
|
|
{
|
|
std::cout << "# benchmark : " << name_ << '\n'
|
|
<< "# size \ttime (ms)" << std::endl;
|
|
}
|
|
virtual void setup(long) {}
|
|
virtual void operation(long) {}
|
|
virtual void teardown() {}
|
|
|
|
void run(std::vector<long> const &sizes, unsigned times = 10)
|
|
{
|
|
print_header();
|
|
for (auto s : sizes)
|
|
{
|
|
setup(s);
|
|
auto start = clock::now();
|
|
for (unsigned i = 0; i != times; ++i)
|
|
operation(s);
|
|
auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(clock::now() - start);
|
|
teardown();
|
|
std::cout << s << '\t' << duration.count()*1./times << std::endl;
|
|
}
|
|
}
|
|
private:
|
|
std::string name_;
|
|
};
|
|
|
|
}}}}
|