Re: [PATCH 2/2]x86: spread tlb flush vector between nodes

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From: Andi Kleen

Subject: Re: [PATCH 2/2]x86: spread tlb flush vector between nodes

Date: Wednesday, October 20, 2010 - 5:06 am

On Wed, Oct 20, 2010 at 01:20:52PM +0200, Peter Zijlstra wrote:
quoted text> On Wed, 2010-10-20 at 09:31 +0200, Andi Kleen wrote:
> > Really a lot of the per CPU scaling we have today should be per core
> > or per node to avoid explosion. 
> 
> Shouldn't that be per-cache instead of per-core?

That's the same on modern x86:

per core = per L1/L2 cache
per node = per L3 cache

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only.
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Messages in current thread:

[PATCH 2/2]x86: spread tlb flush vector between nodes, Shaohua Li, (Tue Oct 19, 8:07 pm)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Eric Dumazet, (Tue Oct 19, 10:16 pm)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Andi Kleen, (Wed Oct 20, 12:30 am)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Andi Kleen, (Wed Oct 20, 12:31 am)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Shaohua Li, (Wed Oct 20, 1:44 am)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Peter Zijlstra, (Wed Oct 20, 4:20 am)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Andi Kleen, (Wed Oct 20, 5:06 am)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Peter Zijlstra, (Wed Oct 20, 5:08 am)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Andi Kleen, (Wed Oct 20, 5:18 am)

[tip:x86/mm] x86: Spread tlb flush vector between nodes, tip-bot for Shaohua Li, (Wed Oct 20, 4:07 pm)


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