32 vs 64 bit build on Solaris Sparc

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With a 16 CPU, 32 GB Solaris Sparc server, is there any conceivable
reason to use a 32 bit build rather than a 64 bit build? Apparently the
Sun PostgreSQL package includes a README that indicates you might want
to think twice about using 64 bit because it is slower -- this seems
like outdated advice, but I was looking for confirmation one way or the
other.

Also semi-related question: when building from source, using gcc,
enabling debug (but *not* assert) is normally not much of a performance
hit. Is the same true if you build with the Sun CC?

Thanks in advance for any thoughts/experiences.

Joe



-- 
Joe Conway
credativ LLC: http://www.credativ.us
Linux, PostgreSQL, and general Open Source
Training, Service, Consulting, & 24x7 Support


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