Bruce,
> pgbench is designed to be a general benchmark, meanining it exercises
> all parts of the system. I am thinking just reexecuting a single SELECT
> over and over again would be a better test of the CPU optimizations.
Mostly, though, pgbench just gives the I/O system a workout. It's not a
really good general workload.
--
Josh Berkus
PostgreSQL @ Sun
San Francisco