./mcc_omp_ev7_20021210 n, offset, ntimes 159340709,0,10 ---------------------------------------------- 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 10 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 185600 microseconds (= 186 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: 9843.4415 0.2598 0.2590 0.2601 Scale: 9966.5807 0.2567 0.2558 0.2569 Add: 10985.8576 0.3486 0.3481 0.3492 Triad: 10985.8576 0.3490 0.3481 0.3492 AvgBW: 10445.4343 Sum of a is = 9.188388265085236E+019 Sum of b is = 1.837677650334066E+019 Sum of c is = 2.450236871185540E+019