4cpu Compaq_AlphaServer_GS320 and Compaq_AlphaServer_GS160

From: John Henning (henning@perfom.zko.dec.com)
Date: Fri Jun 16 2000 - 17:06:07 CDT

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    henning@perfom.zko.dec.com (John Henning) on 06/16/2000 04:51:00 PM

    To: John D Mccalpin/Austin/IBM@IBMUS
    Subject: 4cpu Compaq_AlphaServer_GS320 and Compaq_AlphaServer_GS160

    Hi John,

    This is a 4-CPU run (only 4 CPUs powered on) from an AlphaServer
    GS160 or GS320. It uses the same executable as
    http://www.cs.virginia.edu/stream/stream_mail/2000/0013.html and
    as you can see, it was actually run on the same day!

       - John

    Script started on Wed May 10 15:00:53 2000
    % unlimit
    % ./mcc_omp_nodebug_20000510
     n, offset, ntimes
    120000549,0,10
    ----------------------------------------------
     Double precision appears to have 16 digits of accuracy
     Assuming 8 bytes per DOUBLE PRECISION word
    ----------------------------------------------
     Array size = 120000549
     Offset = 0
     The total memory requirement is 2746.59 MB
     You are running each test 10 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 487000 microseconds
        (= 487 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: 2455.2542 0.7906 0.7820 0.8590
    Scale: 2412.0713 0.7964 0.7960 0.7980
    Add: 2644.6402 1.0893 1.0890 1.0910
    Triad: 2564.5709 1.1236 1.1230 1.1260
     Sum of a is = 1.383967266434037E+020
     Sum of b is = 2.767934540034517E+019
     Sum of c is = 3.690579379856141E+019
    % exit
    %
    script done on Wed May 10 15:03:27 2000



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