Am Montag 22 September 2008 schrieb Łukasz Lew: > My code uses also rusage - second most accurate source of timing I > found on linux. > It the same as used by time command line tool. I use always wall time measured with gettimeofday on a machine that is reserved for my benchmark. My experience is that CPU-time measurement on linux can vary by 100% on machines that have high load. Even for machines with no load the CPU-time measurement varies by about 20%. Christoph
