4-cpu AlphaServer ES40 6/833

From: Henning, John (Nashua) (John.Henning@compaq.com)
Date: Thu Apr 26 2001 - 10:37:22 CDT

  • Next message: John McCalpin: "[Fwd: Pentium4 STREAM benchmarks posted (finally)]"

    Hi John, here is the 4-cpu AlphaServer ES40 6/833
    This is the same image as the previously posted
    http://www.cs.virginia.edu/stream/stream_mail/2000/0023.html
      Thx
          -john

    Script started on Fri Dec 15 11:35:45 2000
    # ./mcc_omp_20000613
     n, offset, ntimes
    8700123,0,10
    ----------------------------------------------
     Double precision appears to have 16 digits of accuracy
     Assuming 8 bytes per DOUBLE PRECISION word
    ----------------------------------------------
     Array size = 8700123
     Offset = 0
     The total memory requirement is 199.13 MB
     You are running each test 10 times
     The *best* time for each test is used
     ----------------------------------------------------
     Your clock granularity/precision appears to be 900 microseconds
     The tests below will each take a time on the order
     of 43900 microseconds
        (= 49 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: 2503.6325 0.0569 0.0556 0.0644
    Scale: 2459.3987 0.0574 0.0566 0.0576
    Add: 2488.7122 0.0843 0.0839 0.0855
    Triad: 2549.4866 0.0823 0.0819 0.0830
    AvgBW: 2500.3075
     Sum of a is = 2.508463798300105E+018
     Sum of b is = 5.016927596295306E+017
     Sum of c is = 6.689236795467758E+017
    # exit
    #
    script done on Fri Dec 15 11:36:06 2000



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