Dual-core upgrade not running any faster than single???

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audiovisceral
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2006/03/29 04:03:03 (permalink)

Dual-core upgrade not running any faster than single???

I just upgraded my AMD 64 3000+ to a AMD 64 X2 3800+. The installation went fine, and my MB (Giga-byte K8SN-939) BIOS has been flashed and should be able to run dual-core.

XP seemed to take the change fine and is identifying the processor by name and speed correctly as: AMD Athlon(tm) 64 X2 Dual Core Processor 3800+ 2.01 Ghz, 1.00 GB of RAM.

Yet, my Sonar PE5 is seems to be running about the same speed and maintaining the same approximate CPU load as pre-upgrade.

Why might this be happening? Is there some change in Sonar settings that is needed to activate dual-core? If not, is there any way to verify through XP that the dual-core is doing what it's supposed to?

Thanks.
post edited by audiovisceral - 2006/03/29 04:10:37
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    AndyW
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    RE: Dual-core upgrade not running any faster than single??? 2006/03/29 04:07:52 (permalink)
    Did you resintall or do a repair install of XP when you upgraded? If not, Windows is still running the ACPI or Standard HAL. You need to do a repair install and hold F8 IIRC when it asks for additional drivers and then select the ACPI Multiprocessor HAL. You can tell what HAL is being used by right-clicking on My Computer, select "Properties", then "Device Manager". Now click on the "+" next to Computer. If it doesn't say "ACPI Multiprocessor PC" XP is not running dual core. HTH.

    Best,

    AndyW

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    #2
    audiovisceral
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    RE: Dual-core upgrade not running any faster than single??? 2006/03/29 04:36:55 (permalink)
    Thanks, but actually it was a lot simpler than that. I didn't click "Use Multiprocessing Engine" under Audio Options.

    Now that I have, this thing is amazing! Consistently almost half the CPU usage. I put through my heaviest projects and they're only 50% at most. For $350 CAD, worth every cent ...
    #3
    davidchristopher
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    RE: Dual-core upgrade not running any faster than single??? 2006/03/29 09:11:13 (permalink)
    err.. you're very quick to discard Andy's advise, I strongly recommend you go back and revisit it. If you just popped the new cpu in, you're still only running on one core. Even with the "Multiprocessing" option selected- which is probably just using the hyperthreading feature of the cpu.


    ORIGINAL: audiovisceral

    Thanks, but actually it was a lot simpler than that. I didn't click "Use Multiprocessing Engine" under Audio Options.

    Now that I have, this thing is amazing! Consistently almost half the CPU usage. I put through my heaviest projects and they're only 50% at most. For $350 CAD, worth every cent ...

    David Bistolas
    www.bistolas.net
    #4
    Abelardo
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    RE: Dual-core upgrade not running any faster than single??? 2006/03/29 10:59:39 (permalink)
    No I don't think so there's no Hyperthreading since it's an AMD. It seems you're already ok but http://forums.amd.com/index.php?showtopic=64936 have a look at this. Also: rightclick on the Task Bar -> Task Manager -> Performance Tab. Might be of interest.
    #5
    AndyW
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    RE: Dual-core upgrade not running any faster than single??? 2006/03/29 12:28:08 (permalink)

    ORIGINAL: audiovisceral

    Thanks, but actually it was a lot simpler than that. I didn't click "Use Multiprocessing Engine" under Audio Options.


    Ah...the old "Oh En, Oh Ef Ef switch" problem...we've all experienced that!<wink wink>

    Best,

    AndyW

    OBJECTS IN MIRROR ARE CLOSER THAN THEY APPEAR

    www.soundclick.com/andyw
    #6
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