On Wed, 25 Apr 2007 17:35:39 -0400 Jarod Wilson <[EMAIL PROTECTED]> wrote:
> I don't know the specifics, but its definitely possible to disabled HT, as > well as a core or cores of a cpu or cpus at the bios level. The bios in my > Dell Precision 490 workstation has options for both. > > I know in some cases, the linux kernel will spit an error that says "we think > you have this support, but its disabled in the bios". (The specific case that > comes to mind is hardware virtualization support, for which my bios also has > a toggle). We have an Itanium dual-core system in Toronto by disabling HT we significantly improved performance (RHEL 4). -- Jerry Feldman <[EMAIL PROTECTED]> Boston Linux and Unix user group http://www.blu.org PGP key id:C5061EA9 PGP Key fingerprint:053C 73EC 3AC1 5C44 3E14 9245 FB00 3ED5 C506 1EA9
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