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From Shanti Subramanyam <Shanti.Subraman...@Sun.COM>
Subject Compilation on Solaris
Date Wed, 14 Jun 2006 16:42:37 GMT
I work in the performance group at Sun and we have been doing 
performance testing with Apache both in our labs and at customer sites. 
We have noticed that for some workloads/customers, performance can be as 
much doubled if compilation is done using the Sun Studio compiler vs gcc.

Would it be possible to include documentation somewhere 
(README.platforms ?) that suggests to users to use the Studio compiler 
which can be downloaded for free from 
http://www.opensolaris.org/os/community/tools/sun_studio_tools/

We'd also like to suggest the following tuning options for compilation 
on Solaris :  -xO4 -xchip=generic


Thanks in advance
Shanti

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