standard STREAM on IBM eServer p5 520 (1650 MHz, 2 cpu)

From: Frank Johnston (fjohn@us.ibm.com)
Date: Mon Jul 12 2004 - 16:09:22 CDT

  • Next message: Frank Johnston: "tuned STREAM on IBM eServer p5 520 (1650 MHz, 2 cpu)"

    IBM eServer p5 520 (1650 MHz, 2 cpu, 36MB L3 cache)

     Requesting Large Pages
     Setting up for 2 CPUs per module
     Number of segments per array = 1
     CPU binding list : 0
     Shared Segment Pointer = 504403158265495552
     Shared Segment Pointer = 504403158533931008
     Shared Segment Pointer = 504403158802366464
     Segment Size (B) = 268435456 (MB = 256 )
     Array Size (B) = 268435456 (MB = 256 )
     Array Size (DW) = 33554432
     Num_threads = 2
     Num_threads = 2
     rebind: num_parthds is 2
     Starting Initialization
     Done With Initialization
     a(1) 1.00000000000000000
     b(M) 1.00000000000000000
     c(M) 1.00000000000000000
     Incremental Offset = 1536
    ----------------------------------------------
     Double precision appears to have 16 digits of accuracy
     Assuming 8 bytes per DOUBLE PRECISION word
    ----------------------------------------------
     Array size = 33541120
     The total memory requirement is 767 MB
     You are running each test 5 times
     --
     The *best* time for each test is used
     *EXCLUDING* the first and last iterations
     ----------------------------------------------------
     Your clock granularity appears to be less than one microsecond
     Your clock granularity/precision appears to be 1 microseconds
     ----------------------------------------------------
    Function Rate (MB/s) Avg time Min time Max time
    Copy: 3052.4905 .1758 .1758 .1759
    Scale: 3006.2190 .1786 .1785 .1786
    Add: 4168.3607 .1936 .1931 .1939
    Triad: 4274.6847 .1886 .1883 .1889
     ----------------------------------------------------
     Solution Validates!
     ----------------------------------------------------



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