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On Freitag, 18. Mai 2007, Peter Humphrey wrote: |
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> It's just occurred to me to question this kernel configuration option, |
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> which is under Processor Type and Features. |
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> |
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> We used to have to choose from 100, 250 and 1000 Hz, but recently 300 Hz |
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> has been added, with the following Help text: |
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> |
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> ---- |
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> CONFIG_HZ_300: |
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> 300 Hz is a good compromise choice allowing server performance while also |
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> showing good interactive responsiveness even on SMP and NUMA systems and |
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> exactly dividing by both PAL and NTSC frame rates for video and multimedia |
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> work. |
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> ---- |
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> |
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> At first I followed the advice without thought, but on reflection it occurs |
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> to me to wonder about the truth of this statement. I suspect it's only true |
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> in North America, northern Japan and a few other places, where the public |
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> supply frequency is 60 Hz. In the rest of the world, with its 50 Hz, I |
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> think 250 would be a better choice. |
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|
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and 300 is not dividable by 50? |
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-- |
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