IBM System p 570 STREAM Standard Submission

John,

I would like to submit this STREAM standard result for the IBM System p 570
with
4 cores, 32 GB (16 x 2 GB) DDR2 667MHz, four 4MB L2 caches and two 32MB L3
caches.
Large pages (16MB) are used to back the arrays.

The following pieces of software are installed on the machine:
- Red Hat Enterprise Linux Advanced Platform 5.1 for IBM POWER
- libhugetlbfs 1.0.1 included with RHEL 5.1
- IBM XL Fortran Advanced Edition V11.1 for Linux
- IBM XL C/C++ Advanced Edition V9.0 for Linux

Computer Array size SMT Triad score
------------------------------------ ---------- --- -----------
IBM System p 570 (4.7 GHz POWER6) 110,000,000 off 29404.2455

Please make this result publicly available at your earlier convenience.
This result is in support of the GA of RHEL 5.1 on October 31, 2007.

Let me know if you have any questions.

Thanks,
Peter
--------------------------
Peter Wai Yee Wong, Ph.D.
IBM Linux Performance Team
wpeter@us.ibm.com

==========================================================================
-------------------------------------------------------------
This system uses 8 bytes per DOUBLE PRECISION word.
-------------------------------------------------------------
Array size = 110000000, Offset = 0
Total memory required = 2517.7 MB.
Each test is run 10 times, but only
the *best* time for each is used.
-------------------------------------------------------------
Number of Threads requested = 4
Number of Threads requested = 4
Number of Threads requested = 4
Number of Threads requested = 4
-------------------------------------------------------------
Your clock granularity/precision appears to be 1 microseconds.
Each test below will take on the order of 45465 microseconds.
   (= 45465 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) Avg time Min time Max time
Copy: 26995.9006 0.0652 0.0652 0.0653
Scale: 27206.2294 0.0648 0.0647 0.0649
Add: 29034.9258 0.0911 0.0909 0.0912
Triad: 29404.2455 0.0899 0.0898 0.0900
-------------------------------------------------------------
Solution Validates
-------------------------------------------------------------

Received on Wed Oct 31 06:20:38 2007