From: John Baron (jbaron@sgi.com)
Date: Tue Jan 07 2003 - 13:18:39 CST
SGI Altix(TM) 3000
1 GHz Itanium2(R)
3 MB L3 cache, 256 kB L2 cache
190 GB main memory
SGI ProPack(TM) v.2.1
Intel(R) Fortran Itanium(R) Compiler for Itanium(R)-based applications
Version 7.0, Build 20021210
compilation flags: -O3 -i8 -openmp -extend_source
The "dplace" placement tool was used to ensure that there were two OpenMP
threads per frontside bus, which matches the system architecture of two
processors per frontside bus.
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Double precision appears to have 16 digits of accuracy
Assuming 8 bytes per DOUBLE PRECISION word
----------------------------------------------
Array size = 275197952
Offset = 255
The total memory requirement is 6298 MB
You are running each test 50 times
--
The *best* time for each test is used
*EXCLUDING* the first and last iterations
----------------------------------------------------
Your clock granularity/precision appears to be 1 microseconds
----------------------------------------------------
Function Rate (MB/s) Avg time Min time Max time
Copy: 106457.0481 0.0415 0.0414 0.0436
Scale: 105359.0049 0.0418 0.0418 0.0419
Add: 123967.7662 0.0533 0.0533 0.0534
Triad: 124601.4681 0.0531 0.0530 0.0532
----------------------------------------------------
Solution Validates!
----------------------------------------------------
-- John Baron jbaron@sgi.com SGI Performance Engineering and Math Libraries 650-933-7544
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