./mcc_omp_ev7_20021211 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 21500 microseconds (= 21 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: 92037.9547 0.0295 0.0277 0.0379 Scale: 92037.9546 0.0295 0.0277 0.0379 Add: 100901.7682 0.0390 0.0379 0.0400 Triad: 100901.7682 0.0394 0.0379 0.0493 AvgBW: 96469.8614 Sum of a is = 6.623110020508953E+030 Sum of b is = 1.324622004124306E+030 Sum of c is = 1.766162672277848E+030