{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 163100 microseconds (= 163 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: 11396.7427 0.2255 0.2237 0.2287 Scale: 11562.1376 0.2228 0.2205 0.2267 Add: 12679.6320 0.3040 0.3016 0.3077 Triad: 12679.6320 0.3043 0.3016 0.3077 AvgBW: 12079.5361 Sum of a is = 5.298487684212867E+031 Sum of b is = 1.059697537231976E+031 Sum of c is = 1.412930046792416E+031