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Message-ID: <87wsnrgg9q.fsf@basil.nowhere.org> Date: 25 Mar 2008 13:05:53 +0100 From: Andi Kleen <andi@...stfloor.org> To: Paul Mackerras <paulus@...ba.org> Cc: David Miller <davem@...emloft.net>, clameter@....com, linux-mm@...ck.org, linux-kernel@...r.kernel.org, linux-ia64@...r.kernel.org, torvalds@...ux-foundation.org Subject: Re: larger default page sizes... Paul Mackerras <paulus@...ba.org> writes: > > 4kB pages: 444.051s user + 34.406s system time > 64kB pages: 419.963s user + 16.869s system time > > That's nearly 10% faster with 64kB pages -- on a kernel compile. Do you have some idea where the improvement mainly comes from? Is it TLB misses or reduced in kernel overhead? Ok I assume both play together but which part of the equation is more important? -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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