OMP_NUM_THREADS = 2047 ---------------------------------------------- Double precision appears to have 16 digits of accuracy Assuming 8 bytes per DOUBLE PRECISION word ---------------------------------------------- Array size = 163760000000 Offset = 0 The total memory requirement is 3748168 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: 5321074.1983 0.5008 0.4924 0.6146 Scale: 5346666.8525 0.4943 0.4901 0.5246 Add: 5823380.3770 0.6833 0.6749 0.7359 Triad: 5859367.4556 0.6808 0.6708 0.8139 ---------------------------------------------------- Solution Validates! ----------------------------------------------------