Subject Re: [firebird-support] Performance of Firebird (Superserver vs Superclassic, etc.)
Author Geoff Worboys
Helen Borrie helebor@... [firebird-support] wrote:
> At 12:59 p.m. 30/10/2014, Geoff Worboys
> geoff@... [firebird-support] wrote:

>>Is it safe to assume that, when you were running SuperServer,
>>you had edited firebird.conf to change the installation default
>>CpuAffinityMask from 1 to 15 ? (So that it would use all 4 of
>>your processors.)

> That wouldn't make any difference unless the same Fb server was
> serving multiple databases. Fb 2.5.3 SS doesn't use multiple
> CPUs otherwise...

Doesn't that depend on how they implemented the separate threads?
SS does/can use different threads for separate connections to the
same database, can't it? So if the threads operate over separate
connections then wouldn't SS be able to use multiple CPUs?

Geoff Worboys
Telesis Computing Pty Ltd