Subject RE: [firebird-support] Is Firebird a hoax?
Author Richard Pendered
Salvatore (and others),
If the machine is going to be a FB/IB only server, then turn off HT in the
BIOS (you may need to reinstall OS afterwards), otherwise in the
firebird.conf file add the CPUAffinity=1 line to force SS to only use the
first CPU (or HT CPU analogue).
We have a few test and development servers with HT, but are used as general
servers where we have done this and is seems to make FB (and a few other
programs) a bit quicker than relying on the Windows task scheduler...
BTW I have never tested this on a multiCPU/HT CPU under *nix, so this only
holds true for Windows 2k, XP and 2003

-----Original Message-----
From: Salvatore Besso [mailto:s.besso@...]
Sent: 09 January 2004 14:06
Subject: Re: [firebird-support] Is Firebird a hoax?

hello Daniel,

> I meant HT and SMP support on Windows for SS. CS works
> on those platforms

Strange, I have noticed in the bios of my mainboard (Asus P4P800) that
hyperthreading is enabled, but SS RC8 works fine, as I said in my
previous message.

Effectively the task manager of Windows 2000 reports 2 cpu's, even if
I have only one, but since I don't even know what HT is, I have left
the bios default value. Is it worth to leave HT enabled or do you
advice that it's better to disable it? Any pro's or con's? But what
exactly is HT?


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