Re: Performance problems on 4-way AMD Opteron 875 (dual - Mailing list pgsql-performance

Michael Stone wrote:

> On Fri, Aug 05, 2005 at 01:11:31PM +0200, Dirk Lutzebäck wrote:
>
>> I will compile the latest PostgreSQL 8.1 snapshot for 32bit to
>> evaluate the new shared buffer code from Tom.
>> I think, the 64bit is slow because my queries are CPU intensive.
>
>
> Have you actually tried it or are you guessing? If you're guessing, then
> compile it as a 64 bit binary and benchmark that.
>
> Mike Stone

We tried it. 64bit 8.1dev was slower than 32bit 8.0.3.

Dirk