I think this sentence captures it:
"OpenSolaris 2008.11 is using the older GCC 3.4.3 version compared to
Ubuntu using the latest GCC 4.3 branch...."
http://www.phoronix.com/scan.php?page=article&item=amd_shanghai_opensolaris&num=2
4.3 supports OpenMP, 3.4.3 does not.
You might find this follow up interesting:
http://www.phoronix.com/scan.php?page=article&item=sun_studio_gcc&num=1
The GraphicsMagick tests are on pages 4 and 5:
http://www.phoronix.com/scan.php?page=article&item=sun_studio_gcc&num=4
http://www.phoronix.com/scan.php?page=article&item=sun_studio_gcc&num=5
In this instance they compare gcc 3.4.3 and gcc 4.0.2 with Sun Studio
12. However, gcc 4.0.2 does not have OpenMP support.
Regards,
Darryl.
Bob Friesenhahn wrote:
The Phoronix benchmark report at
http://www.phoronix.com/scan.php?page=article&item=amd_shanghai_opensolaris&num=1
compares Linux and OpenSolaris on an 8-core AMD Shanghai Opteron
system. My software (GraphicsMagick) is part of the benchmark tests.
For some reason, it did remarkably worse under OpenSolaris than under
Linux. In general, OpenSolaris did much worse than Linux throughout
this whole benchmark.
Ideas?
Bob
--
Bob Friesenhahn
bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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--
Darryl Gove
Compiler Performance Engineering
Blog : http://blogs.sun.com/d/
Books: http://www.sun.com/books/catalog/solaris_app_programming.xml
http://my.safaribooksonline.com/0595352510
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