Author: James Robertson
Date: 11:13:46 09/25/99
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On September 24, 1999 at 10:19:45, Robert Hyatt wrote: >On September 24, 1999 at 07:50:47, GBes wrote: > >>you can use clock( ) for this. >> >>clock_t start,finish; >> >>start = clock(); >>// ... >>finish = clock(); >>double difference = (double)(finish-start)/CLOCKS_PER_SECOND; > > >clock() is bad. It returns processor time, and not wall-clock time. If >something else runs with you, you will use more time than expected because >your cpu time doesn't increase linearly with elapsed time. > >For unix, I use gettimeofday() which returns a very accurate wall-clock time >accurate to microseconds if you want...
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