{cpu2001}root 115% ./mcc_omp_ev7_20021210 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 82000 microseconds (= 82 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: 22803.6793 0.1129 0.1118 0.1139 Scale: 23030.2741 0.1111 0.1107 0.1129 Add: 25359.2640 0.1521 0.1508 0.1539 Triad: 25376.0917 0.1519 0.1507 0.1539 AvgBW: 24142.3273 Sum of a is = 2.649243874373582E+031 Sum of b is = 5.298487746410170E+030 Sum of c is = 7.064650335169574E+030