OMP_NUM_THREADS = 2048 ---------------------------------------------- Double precision appears to have 16 digits of accuracy Assuming 8 bytes per DOUBLE PRECISION word ---------------------------------------------- Array size = 81920000000 Offset = 0 The total memory requirement is ****** MB You are running each test 20 times -- The *best* time for each test is used *EXCLUDING* the first and last iterations ---------------------------------------------------- Your clock granularity/precision appears to be 1 microseconds ---------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 3817491.5571 0.3486 0.3433 0.3525 Scale: 3828092.5326 0.3480 0.3424 0.3533 Add: 4371845.7481 0.4557 0.4497 0.4622 Triad: 4384460.5294 0.4543 0.4484 0.4588 ---------------------------------------------------- Solution Validates! ----------------------------------------------------