Re: Hyper Threading Issues
From: Nathan McNulty (nospam_at_msn.com)
Date: 09/29/04
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Date: Wed, 29 Sep 2004 00:02:23 -0700
Open Task Manager by pressing Control+Alt+Delete then right click on the
process, then set affinity. Now check which CPU you want it to use ;)
---- Nathan McNulty Charlie wrote: > How is that set, proc. "affinity", That makes complete sense and I would > love to play with it for performance issues. Thanks in advance. > > ~Charlie > > > "Name withheld by request" <none@none.com> wrote in message > news:at0kl0hj5kgd0gt692neqagqos0q523m0m@4ax.com... > >>Photoshop CS, which I use daily.....is the reason I upgraded to >>HT..... >>Also, if you know how to set the processor affinity in applications, >>you can take advantage of hyper threading. By setting apps that use >>use all the time (I keep outlook, my tv tuner card, and firebird >>running) to let say, "CPU1" then the threads on cpu0 are free for use >>on apps that don't take advantage of HT. >> >> >> >> >>>First. please do not be offended by what I am about to post. >>> >>>Hyperthreading is one of the biggest marketing scams ever put upon the >>>consumers. HT only works with a very few programs that are written to >>>take >>>advantage of HT. 99.8% of the software on the market is not HT "aware" >>>With HT enabled, you are probably getting a performance hit, usually >>>around >>>10-15%. >>> >>> When HT procs were first made available, most OEMs shipped their >>>machines >>>with HT disabled, because of the performance hit that occurs with normal >>>usage with HT enabled. Many still do so today. >>> >>>The only true enhancement that works with all existing software is >>>Hypertransport, available only with AMD processors. Their solution is a >>>hardware solution, so works all the time with all software. >>> >>>Unless you use Photoshop or Adobe Premiere, I would recommend you disable >>>HT. You will notice the difference in speed. >>> >>>Bobby >>> >>> >>>"PowerUser90_Italy" <dun1@libero.it> wrote in message >>>news:u6K5A3WpEHA.3712@TK2MSFTNGP15.phx.gbl... >>> >>>>Hardware : >>>> >>>>Pentium 4 3.0 Prescott HT >>>>GA 8IK1100 Rev 2.0 Chipset 875P >>>>1 Gb Corsair >>>>Bios Ver FE (10 Sept 2004) >>>>2 Maxtor 200 GB SATA connected with ICH5R SouthBridge >>>> >>>> >>>>OS: Win Xp PRO >>>> >>>> >>>>Problem: Under device manager i see 2 processors, but it u run some test >>>>like 3dmark >>>>or hotcpu, in task manager i see only one graphic for 1 cpu, instead of >>>>2 >>>>graph for 2 cpu like >>>>i see usualli when Ht is enabled. >>>> >>>>I flash bios with latest version, Enabled Ht from Bios, >>>>installed latest Intel INFENU 6.0.x.y and tryed a little utility from >>>>intel that tells me that cpu and chipset are ok, but bios is not fully >>>>ok >>>>for Ht. >>>> >>>>Any ideas other than wait for another Bios? >>>> >>>> >>> > >
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