> > Hi guys, > > > > I'm just wondering: We just recently - last weekend - decided to "move > > into the modern era" on one of our server boxes running RedHat Linux. Our > > hardware selection was P4 2.6ghz, 800mhz fsb, with a gig of main memory on > > an Intel brand mother board with integrated 1000 Base-T nic. Along the > > way, I noticed that the bios has an option to turn on or off > > "Hyperthreading" - which I presume is just a flavor of pipelining - and > > the supporting documentation warns to not use hyperthreading if your OS > > does not support it... > > > > OK, you saw it coming a mile away: What versions of Linux, if any, support > > hyperthreading? If not, any idea when? > > I believe hyperthreading is fine with the latest kernels: you want SMP. > However, I am not sure you actually have it: it came in on the non-Xeon > CPUs when they reached/passed 3 Ghz, and I don't know whether Intel > introduced new slower CPUs with it. The fact you have the BIOS option is > a good indicator that the mobo supports those CPUs, but whether you have > one is another question. > On the three P4s I just bought, there's absolutely no question: They have hyperthreading. They're all 2.6 ghz, two with 533 mhz fsb, one with 800 mhz. RT _______________________________________________ Redhat-devel-list mailing list Redhat-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/redhat-devel-list
