Re: New to PostgreSQL, performance considerations

Mike,

are you using "-mtune/-mcpu" or "-march" with GCC?
Witch GCC version? Are you working with a 32bits OS or 64bits?

Daniel

On 12/11/06, Michael Stone <mstone+postgres(at)mathom(dot)us> wrote:
>
> Can anyone else reproduce these results? I'm on similar hardware (2.5GHz
> P4, 1.5G RAM) and my test results are more like this:
>
> (postgresql 8.2.0)
>
> CFLAGS=(default)
>
> tps = 527.300454 (including connections establishing)
> tps = 528.898671 (excluding connections establishing)
>
> tps = 517.874347 (including connections establishing)
> tps = 519.404970 (excluding connections establishing)
>
> tps = 534.934905 (including connections establishing)
> tps = 536.562150 (excluding connections establishing)
>
> CFLAGS=686
>
> tps = 525.179375 (including connections establishing)
> tps = 526.801278 (excluding connections establishing)
>
> tps = 557.821136 (including connections establishing)
> tps = 559.602414 (excluding connections establishing)
>
> tps = 532.142941 (including connections establishing)
> tps = 533.740209 (excluding connections establishing)
>
>
> CFLAGS=pentium4
>
> tps = 518.869825 (including connections establishing)
> tps = 520.394341 (excluding connections establishing)
>
> tps = 537.759982 (including connections establishing)
> tps = 539.402547 (excluding connections establishing)
>
> tps = 538.522198 (including connections establishing)
> tps = 540.200458 (excluding connections establishing)
>
> Mike Stone
>
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