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Slow PC - Processor affinity f*cked up?

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  • #1

    Slow PC - Processor affinity f*cked up?

    So, the last few days my computer seems like it's really slow when I have a few programs running. Then when I look at the Task Mananager Performance tab CPU 0 is getting nearly 100% CPU Usage and CPU 1 is getting about 5% CPU usage. And when I check under Processes nearly all Processes have their Affinity set to CPU 0 (which I ofcourse change to CPU 0 & CPU 1), changing it to the way it should be fixes my problems, but next reboot everything is set to CPU 0 again...

    Does anybody know what could be causing this, or how to fix it?

    CPU 0 and CPU 1 are virtual cores (Hyperthreading).
    Main Machine: Intel Q6600@3.33, Abit IP-35 E, 4 x Geil 2048MB PC2-6400-CL4, Asus Geforce 8800GTS 512MB@700/2100, 150GB WD Raptor, Highpoint RR2640, 3x Seagate LP 1.5TB (RAID5), NEC-3500 DVD+/-R(W), Antec SLK3700BQE case, BeQuiet! DarkPower Pro 530W
    Tags: None
  • #2
    No idea it sets affinity correctly on all procs here.

    Maybe it would be worthwhile to check the forum of 2cpu.com http://forums.2cpu.com/
    Main: Dual Xeon LV2.4Ghz@3.1Ghz | 3X21" | NVidia 6800 | 2Gb DDR | SCSI
    Second: Dual PIII 1GHz | 21" Monitor | G200MMS + Quadro 2 Pro | 512MB ECC SDRAM | SCSI
    Third: Apple G4 450Mhz | 21" Monitor | Radeon 8500 | 1,5Gb SDRAM | SCSI

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    • #3
      Hyperthreading is not the same as SMP: not all applications can take advantage of Hyperthreading.

      What process(es) are eating up 100% of your CPU0?
      Hey, Donny! We got us a German who wants to die for his country... Oblige him. - Lt. Aldo Raine

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      • #4
        Try this:

        http://forums.murc.ws/showthread.php?t=54406&highlight=patch


        If you can't find the file, PM me, and I'll hook you up.
        “Inside every sane person there’s a madman struggling to get out”
        –The Light Fantastic, Terry Pratchett

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        • #5
          thx jammrock, that seems to have helped, but i'm still not certain where the problem suddenly came from...
          Main Machine: Intel Q6600@3.33, Abit IP-35 E, 4 x Geil 2048MB PC2-6400-CL4, Asus Geforce 8800GTS 512MB@700/2100, 150GB WD Raptor, Highpoint RR2640, 3x Seagate LP 1.5TB (RAID5), NEC-3500 DVD+/-R(W), Antec SLK3700BQE case, BeQuiet! DarkPower Pro 530W

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          • #6
            BIOS upgrade? New drivers?
            Gigabyte P35-DS3L with a Q6600, 2GB Kingston HyperX (after *3* bad pairs of Crucial Ballistix 1066), Galaxy 8800GT 512MB, SB X-Fi, some drives, and a Dell 2005fpw. Running WinXP.

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