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bench

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gabime
2014-10-31 16:34:48 +02:00
parent 31971bf63b
commit 2d075bcfda
9 changed files with 98 additions and 118 deletions
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34
example/utils.h
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@@ -30,38 +30,4 @@ inline std::string format(const double & value)
return ss.str();
}
inline void bench(const std::string& fn_name, const std::chrono::milliseconds &duration, const std::function<void() >& fn)
{
using namespace std::chrono;
typedef steady_clock the_clock;
size_t counter = 0;
seconds print_interval(1);
auto start_time = the_clock::now();
auto lastPrintTime = start_time;
while (true)
{
fn();
++counter;
auto now = the_clock::now();
if (now - start_time >= duration)
break;
if (now - lastPrintTime >= print_interval)
{
std::cout << fn_name << ": " << format(counter) << " per sec" << std::endl;
counter = 0;
lastPrintTime = the_clock::now();
}
}
}
inline void bench(const std::string& fn_name, const std::function<void() >& fn)
{
using namespace std::chrono;
auto start = steady_clock::now();
fn();
auto delta = steady_clock::now() - start;
std::cout << fn_name << ": " << duration_cast<milliseconds>(delta).count() << " ms" << std::endl;
}
}