STREAM results for ScaleMP vSMP Foundation X5570 - 128 Cores

Dear Dr. McCalpin,

Please find attached the STREAM benchmark results for a 128 cores
machine (Intel Xeon X5570) with vSMP foundation:

    * Machine ID: ScaleMP_XeonX5570_vSMP_16B

    * 16 boards, 32 sockets, 128 cores

    * Each socket: Intel Xeon X5570 (2.93 GHz)

    * Memory: 768 GB

    * OS: RHEL 5.3

Run details:

    * Intel compiler 11.0.074

    * Compilation flags: -fast

    * Standard STREAM source code

    * OMP_NUM_THREADS = 128

Please let me know if there is any additional information that you would
need.

Thanks and Best Regards,

Nir

Nir Paikowsky
Director of Application Engineering
ScaleMP, Inc.
M: 650.283.2110

STREAM version $Revision: 5.8 $
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This system uses 8 bytes per DOUBLE PRECISION word.
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Array size = 89100046, Offset = 0
Total memory required = 2039.3 MB.
Each test is run 10 times, but only
the *best* time for each is used.
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Number of Threads requested = 128
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Your clock granularity/precision appears to be 1 microseconds.
Each test below will take on the order of 6993 microseconds.
   (= 6993 clock ticks)
Increase the size of the arrays if this shows that
you are not getting at least 20 clock ticks per test.
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WARNING -- The above is only a rough guideline.
For best results, please be sure you know the
precision of your system timer.
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Function Rate (MB/s) Avg time Min time Max time
Copy: 437570.6454 0.0033 0.0033 0.0034
Scale: 431725.8389 0.0034 0.0033 0.0035
Add: 442721.9657 0.0049 0.0048 0.0051
Triad: 445869.1740 0.0048 0.0048 0.0049
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Solution Validates
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Received on Mon, 10 Aug 2009 01:11:35 -0700