Re: [squid-users] hyperthreading?

Yes, maybe if you have redirectors who are CPU hungry. If not you are
still likely to be hurt more by the SMP kernel overhead penalty than
gained..

Regards
Henrik

sean.upton@uniontrib.com wrote:
>
> Hmm. This could be useful on a cache that makes use of redirectors and has
> complicated and/or interpreted redirector processes and high traffic, no?
> This is assuming you bind the Squid's processor affinity to a single
> physcial/logical CPU (i.e. with Linux schedutils).
>
> Sean
>
> -----Original Message-----
> From: Henrik Nordstrom [mailto:hno@squid-cache.org]
> Sent: Wednesday, January 15, 2003 12:34 AM
> To: Wei Keong
> Cc: squid-users@squid-cache.org
> Subject: Re: [squid-users] hyperthreading?
>
> Estimate: Not much, if any.
>
> Squid cannot utilize SMP very good, and enabling SMP support (required
> for HT) in the OS significantly slows down most things used by Squid...
>
> Maybe a gain can be seen if you compile Squid with the Intel ICC
> compiler with support for automatic threading, but only if you are in
> the situation that your Squid is seriously CPU bound.
>
> Regards
> Henrik
>
> Wei Keong wrote:
> >
> > Was reading up on this and wondering if hyperthreading will improve squid
> > performance... anyone tried this, any input?
> >
> > http://www17.tomshardware.com/cpu/20021202/index.html
> >
> > Thanks.
> > Wei Keong
Received on Wed Jan 15 2003 - 15:54:52 MST