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try using powerthend as a daemon with userspace governor under linux, and in |
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winzoz download the cpu program for dual core daemon from amd site.... |
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powethend gives you the power you need when you need it, and for i have |
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learned it is able to handle both cores.... |
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|
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2007/7/12, Thanasis <thanasis@××××××××××.org>: |
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> |
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> on 07/12/2007 01:17 PM Bernhard Auzinger wrote the following: |
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> >>>> bogomips : 3611.22 |
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> >>>> TLB size : 1024 4K pages |
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> >>>> |
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> >>>> bogomips : 1603.39 |
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> >>>> TLB size : 1024 4K pages |
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> >>>> |
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> >>>> 2) Just curious: Why is there such a big difference between the 2 |
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> CPUs' |
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> >>>> bogomips values reported? |
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> >>>> -- |
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> >>>> gentoo-amd64@g.o mailing list |
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> >> -- |
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> >> Piotr |
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> > |
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> > There has to be no difference between the two cores on dual-core |
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> processors. |
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> > That's because the bogomips-benchmark is a "calculated" benchmark that |
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> > depends mostly on the clock frequency and since the two cores on |
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> dual-core |
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> > athlons/opterons use the same clock, it's not possible to have different |
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> > values on that type of dual-core processor. I've absolutely identical |
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> values |
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> > (4825.77 bogomips) for both cores of my Athlon64 X2 4600+. |
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> > |
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> > If you have two processors (f.ex. two single-cores) on your mainboard, |
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> than |
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> > you will have two slightly different values because of the slightly |
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> different |
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> > clock of the two processors. In your case it seems that the second |
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> processor |
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> > has a decreased clock. I'm sure you have enabled cool'n'quiet. |
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> > |
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> > Rgds |
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> |
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> Actually I had never changed the CPUs freq/governor states, and they |
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> were set to 800MHz/userspace. |
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> After I changed their state using gnome applet, and from then on, the |
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> two CPUs' bogomips values where equal. |
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> For governor set to performance here they are: |
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> #cat /proc/cpuinfo |grep -E 'proc|MHz|bogomips' |
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> processor : 0 |
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> cpu MHz : 1800.000 |
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> bogomips : 8125.24 |
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> processor : 1 |
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> cpu MHz : 1800.000 |
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> bogomips : 8125.24 |
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> |
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> However, if I boot into M$ windblows (dual boot system), then boot into |
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> linux without touching the CPUs' freq/gov state the MHz/bogomips values |
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> are changed back to: |
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> processor : 0 |
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> cpu MHz : 800.000 |
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> bogomips : 3611.94 |
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> processor : 1 |
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> cpu MHz : 800.000 |
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> bogomips : 1603.39 |
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> |
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> The 800 MHz is because I have compiled with |
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> CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y |
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> CONFIG_CPU_FREQ_GOV_USERSPACE=y |
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> |
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> |
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> -- |
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> gentoo-amd64@g.o mailing list |
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> |
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> |
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|
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|
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-- |
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beso |
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|
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d-_-b |