Date: Wed, 9 Jul 2003 19:26:38 +0200 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: "Thomas T. Veldhouse" <veldy@veldy.net> Cc: FreeBSD-Current <freebsd-current@freebsd.org> Subject: Re: HTT on single CPU? Message-ID: <20030709172638.GA53512@freebie.xs4all.nl> In-Reply-To: <013a01c3462c$d6832490$d037630a@dh.com> References: <20030709150718.GC28375@Odin.AC.HMC.Edu> <013a01c3462c$d6832490$d037630a@dh.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Jul 09, 2003 at 10:14:47AM -0500, Thomas T. Veldhouse wrote: I can confirm my 2.4G P4 does have HTT: Jul 8 00:11:48 freebie /kernel: CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2405.46 -MHz 686-class CPU) Jul 8 00:11:48 freebie /kernel: Origin = "GenuineIntel" Id = 0xf29 Stepping = 9 Jul 8 00:11:48 freebie /kernel: Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE, MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2, SS,HTT,TM,PBE> Jul 8 00:11:48 freebie /kernel: Hyperthreading: 2 logical CPUs Jul 8 00:11:48 freebie /kernel: real memory = 536018944 (523456K bytes) Jul 8 00:11:48 freebie /kernel: avail memory = 517664768 (505532K bytes) Jul 8 00:11:48 freebie /kernel: Preloaded elf kernel "kernel" at 0xc03d0000. W/ > Actually, a 2.4 could have HT. > > "Intel extends Hyper-Threading Technology? to a variety of desktop PCs, with > the new IntelŪ PentiumŪ 4 processor, featuring an advanced 800 MHz system > bus and speeds ranging from 2.40C to 3.20 GHz. Hyper-Threading Technology > from Intel enables the processor to execute two threads (parts of a software > program) in parallel - so your software can run more efficiently and you can > multitask more effectively." > > > ----- Original Message ----- > From: "Brooks Davis" <brooks@one-eyed-alien.net> > To: "Jens Rehsack" <rehsack@liwing.de> > Cc: "Andrey Chernov" <ache@nagual.pp.ru>; <freebsd-current@freebsd.org>; > "Lukas Ertl" <l.ertl@univie.ac.at> > Sent: Wednesday, July 09, 2003 10:07 AM > Subject: Re: HTT on single CPU? > > On Wed, Jul 09, 2003 at 02:47:18PM +0200, Jens Rehsack wrote: > > Andrey Chernov wrote: > > > <snip> > > > Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA > ,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> > > P4's below ~3.1GHz do not actually provide logical CPU support. > > -- Brooks > > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" ---end of quoted text--- -- | / o / /_ _ wilko@FreeBSD.org |/|/ / / /( (_) Bulte
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030709172638.GA53512>