Thanks. I saw that one because the Wikipedia page links to it. I didn't use it because you get into the same multi-core and power save issues that QPF has without any OS support. But it's a pretty cool little chunk of code.

Best regards,
Rush

On May 28, 2009, at 11:22 AM, Michael Andrews wrote:

The FFTW project has a nice header with portable cycle counters.

http://www.fftw.org/cycle.h

Michael



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