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Re: [Qemu-trivial] [Qemu-devel] [PATCH] tcg: optimise memory layout of T

From: Richard Henderson
Subject: Re: [Qemu-trivial] [Qemu-devel] [PATCH] tcg: optimise memory layout of TCGTemp
Date: Sun, 29 Mar 2015 14:52:42 -0700

On Mar 27, 2015 14:09, "Emilio G. Cota" <address@hidden> wrote:
> On Fri, Mar 27, 2015 at 09:55:03 +0000, Alex Bennée wrote: 
> > Have you been able to measure any performance improvement with these new 
> > structures? In theory, if aligned with cache lines, performance should 
> > improve but real numbers would be nice. 
> I haven't benchmarked anything, which makes me very uneasy. All 
> I've checked is that the system boots, and FWIW I appreciate no 
> difference in boot time.

No decrease in boot time is good. We /know/ we're saving memory, after all.
> Is there a benchmark suite to test TCG changes? 

No, sorry. 


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