Re: Spinlocks and CPU Architectures

Tom Lane wrote:
> This seems pretty unworkable from a packaging standpoint.  Even if
> you teach autoconf how to tell which model it's running on, there's
> no guarantee that the resulting executables will be used on that same
> machine.

A number of packages in the video area (and perhaps others) do compile 
"sub-architecture" specific variants.  This could be done for 
PostgreSQL, but you'd probably need to show some pretty convincing 
performance numbers before people start the packaging effort.

-- 
Peter Eisentraut
http://developer.postgresql.org/~petere/