./mcc_omp_ev7_20021211 n, offset, ntimes 318681418,0,20 ---------------------------------------------- Double precision appears to have 16 digits of accuracy Assuming 8 bytes per DOUBLE PRECISION word ---------------------------------------------- Array size = 318681418 Offset = 0 The total memory requirement is 7294.04 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 22600 microseconds (= 23 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: 177662.1146 0.0300 0.0287 0.0318 Scale: 171680.2253 0.0307 0.0297 0.0318 Add: 186545.2203 0.0415 0.0410 0.0431 Triad: 186545.2203 0.0414 0.0410 0.0421 AvgBW: 180608.1951 Sum of a is = 6.623109355457607E+030 Sum of b is = 1.324621871114036E+030 Sum of c is = 1.766162494930822E+030