Re: [PATCH] General purpose zeroed page slab

From: Matthew Wilcox <matthew_at_wil.cx>
Date: 2004-10-15 05:47:47
On Thu, Oct 14, 2004 at 10:08:49PM +0300, Denis Vlasenko wrote:
> BTW, zeroing with non-temporal stores may be a huge win here.
> It is 300% faster on Athlon.

That assumes the page isn't going to be reused quickly.  The point of
slab is that the page does get reused quickly.  So you *want* the data
to be hot in cache.

-- 
"Next the statesmen will invent cheap lies, putting the blame upon 
the nation that is attacked, and every man will be glad of those
conscience-soothing falsities, and will diligently study them, and refuse
to examine any refutations of them; and thus he will by and by convince 
himself that the war is just, and will thank God for the better sleep 
he enjoys after this process of grotesque self-deception." -- Mark Twain
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Received on Thu Oct 14 15:59:56 2004

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