Date: Wed, 30 Apr 2003 08:16:10 -0500 From: Eric Anderson <anderson@centtech.com> To: Steven Hartland <killing@barrysworld.com> Cc: agent dero <dero@bluhayz.homeunix.org> Subject: Re: FBSD 5 & SMP Message-ID: <3EAFCC9A.1080003@centtech.com> References: <3045.172.178.229.216.1051706735.squirrel@bluhayz.homeunix.org> <3EAFC81D.4070808@centtech.com> <017101c30f19$2414fc60$b3db87d4@vader>
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I would be using 5.0 on my newest production machine if the NFS serving worked.. :( Steven Hartland wrote: > Im not sure it depends on the machine and the apps being run. > We have been running 5.0-RELEASE on all or production > machines after we did a soke test and found no issues at all > in our environment. What would be interesting to know though > is if 4.8 + Hyperthreading + SMP out performed 5.0 SMP > as it doesn't have Hyperthreading support. Any one know if > 5.0 has Hyperthreading in CURRENT? > > Steve > ----- Original Message ----- > From: "Eric Anderson" <anderson@centtech.com> > To: "agent dero" <dero@bluhayz.homeunix.org> > Cc: <freebsd-performance@freebsd.org> > Sent: Wednesday, April 30, 2003 1:57 PM > Subject: Re: FBSD 5 & SMP > > > >>agent dero wrote: >> >>>I was reading the FBSD 5.0 release notes, and how the new version has >>>better support for multiple processors. I haven't been able to find any a >>>4.x-STABLE SMP support docs. Does this mean that 4.7, my current release, >>>doesn't support the multiple processors well. I am rebuilding my small >>>business' server, and trying to decide if a dual processor will be the >>>better way to go, but not sure if the advantages are going to be huge with >>>the. I read the previous message about WITH_THREADS as a ports option, but >>>the ports maximizing the dual CPUs isn't my greatest, I need the kernel >>>itself to maximize the CPUs. Is this possible under any of the stable >>>releases, before 5.0 ?? >> >>Yes, FreeBSD versions prior to 5.0 have SMP support, however 5.0's >>support is more "finely tuned" and will give you better results. >>However, since this sounds like a production server, you may want to >>stick with 4.8-RELEASE, and built a new kernel with SMP support. >>Depending on what you are using the machine for, you may or may not see >>a performance benefit of a dual processor machine. >> >>What's the machine's primary function? >> >>Eric >> >> >>-- >>------------------------------------------------------------------ >>Eric Anderson Systems Administrator Centaur Technology >>Attitudes are contagious, is yours worth catching? >>------------------------------------------------------------------ >> >>_______________________________________________ >>freebsd-performance@freebsd.org mailing list >>http://lists.freebsd.org/mailman/listinfo/freebsd-performance >>To unsubscribe, send any mail to "freebsd-performance-unsubscribe@freebsd.org" >> > > > _______________________________________________ > freebsd-performance@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-performance > To unsubscribe, send any mail to "freebsd-performance-unsubscribe@freebsd.org" -- ------------------------------------------------------------------ Eric Anderson Systems Administrator Centaur Technology Attitudes are contagious, is yours worth catching? ------------------------------------------------------------------
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