Re: CPU affinity

Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 14 Apr 1999 00:47:23 +0100 (BST)

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> I am also doing video processing. And I have Xeons with 2Mb of cache. The entire
> accumulated image result can/will live in the L2 cache. If I change cpu's,
> don't I loose the benefit of having the large (and expensive) L2 cache?

Thats why the kernel will try and keep tasks glued to a CPU. The hard case
is do you idle a CPU for a while or move a task onto it.

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