Re: [eigen] Help needed to run a benchmark on many machines

[Ilja Honkonen <ilja.j.honkonen@xxxxxxxx>]

Hello
> I'm looking into tuning Eigen's matrix product blocking parameters on
> various machines. That involves actually measuring the impact of
....
> I'm attaching a benchmark to this email. It tests all sorts of matrix

There is also a C++11 way to do timings which should work on windows:

#include "chrono"
using namespace std::chrono;
auto starttime = high_resolution_clock::now();
auto endtime = high_resolution_clock::now();
double timing = duration_cast<duration<double>>(endtime - starttime).count()

Ilja