{cpu2001}root 109% ./mcc_omp_ev7_20021212 n, offset, ntimes 159340709,0,20 ---------------------------------------------- Double precision appears to have 16 digits of accuracy Assuming 8 bytes per DOUBLE PRECISION word ---------------------------------------------- Array size = 159340709 Offset = 0 The total memory requirement is 3647.02 MB You are running each test 20 times The *best* time for each test is used ---------------------------------------------------- Your clock granularity/precision appears to be 1000 microseconds The tests below will each take a time on the order of 93300 microseconds (= 93 clock ticks) Increase the size of the arrays if this shows that you are not getting at least 20 clock ticks per test. ---------------------------------------------------- WARNING -- The above is only a rough guideline. For best results, please be sure you know the precision of your system timer. ---------------------------------------------------- Function Rate (MB/s) RMS time Min time Max time Copy: 19933.1614 0.1287 0.1279 0.1300 Scale: 20106.0832 0.1274 0.1268 0.1280 Add: 22246.5213 0.1726 0.1719 0.1740 Triad: 22105.0695 0.1736 0.1730 0.1751 AvgBW: 21097.7088 Sum of a is = 2.649243874373582E+031 Sum of b is = 5.298487746410170E+030 Sum of c is = 7.064650335169574E+030