How to measure elapsed time under Windows?

Grant Edwards invalid at invalid.invalid
Wed Feb 10 23:40:34 CET 2010


On 2010-02-09, Gabriel Genellina <gagsl-py2 at yahoo.com.ar> wrote:

> In code, using SetProcessAffinityMask and related functions:
> http://msdn.microsoft.com/en-us/library/ms686223(VS.85).aspx

That solves the problem.  If I don't set the process affinity
mask, I regularly get measurements that are off by 6ms.  I
presume 6ms is the skew between the two cores' performance
counter values.  I don't know if that difference is stable or
how it varies, but now it doesn't matter. :)

-- 
Grant Edwards                   grante             Yow! If our behavior is
                                  at               strict, we do not need fun!
                               visi.com            



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