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

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

>          double starttime = time();
>          for (int i = 0; i < iters_at_a_time; i++) {
>            c = a * b;
>          }
>          double endtime = time();
....
> (4M) on a typical ARM CPU (1M cache). But indeed, my benchmark also aims
> to measure much smaller cases, so that's a problem. Any suggestions
> welcome on how to address this!

Maybe fill vector<T> a, b, c; with more data than e.g. 16 MB and use 
c[i] = a[i] * b[i] in the loop? If that doesn't show a large difference 
then perhaps it's not something to worry about at this stage.
Ilja