Date: Fri, 25 Apr 2003 19:37:12 +0300 From: "Petri Helenius" <pete@he.iki.fi> To: "jeev" <jeev@boldinternet.net> Cc: freebsd-smp@freebsd.org Subject: Re: Dual 2.40ghz xeon w/hyperthreading Message-ID: <016601c30b48$f12ec1b0$932a40c1@PHE> References: <000301c30b44$95bc4090$0200a8c0@mainframe>
next in thread | previous in thread | raw e-mail | index | archive | help
>Which would give me the best performance? To disable hyperthreading or >enable machdep.cpu_idle_hlt, and if I were to enable it, it would be from >loader.conf or? If you have significant interrupt / syscall load, disable hyperthreading. If most of your work is in userland, go for idle_hlt. Someone also mentioned that current has gotten better in this regard, I havenīt tested that yet. Pete
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?016601c30b48$f12ec1b0$932a40c1>