Asus A7M266 motherboard (AMD760 chipset), 1.2 GHz AMD Athlon (FSB266), 512 MB DDR SDRAM (2-2-2), Windows NT4/SP6, Lahey Fujitsu LF95 5.6a, lf95 -nchk -o1 -tpp --------------------------------------------- Double precision appears to have 16 digits of accuracy Assuming 8 bytes per DOUBLE PRECISION word --------------------------------------------- Array size = 18901234 Offset = 0 The total memory requirement is 432 MB You are running each test 10 times The *best* time for each test is used ---------------------------------------------------- Your clock granularity/precision appears to be 10000 microseconds The tests below will each take a time on the order of 470000 microseconds (= 47 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. ---------------------------------------------------- unction Rate (MB/s) RMS time Min time Max time opy: 657.4342 0.4670 0.4600 0.4800 cale: 817.3507 0.3790 0.3700 0.3800 dd: 945.0617 0.4860 0.4800 0.4900 riad: 889.4699 0.5140 0.5100 0.5300 Sum of a is = 2.179880794155460E+19 Sum of b is = 4.359761588853745E+18 Sum of c is = 5.813015448553570E+18