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Re: [Qemu-devel] tcg: improve MAX_CODE_GEN_BUFFER_SIZE for arm
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From: |
Aurelien Jarno |
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Subject: |
Re: [Qemu-devel] tcg: improve MAX_CODE_GEN_BUFFER_SIZE for arm |
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Date: |
Tue, 8 Dec 2015 12:21:03 +0100 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
On 2015-12-08 11:51, Laurent Desnogues wrote:
> Hello,
>
> On Tue, Dec 8, 2015 at 11:39 AM, Aurelien Jarno <address@hidden> wrote:
> [...]
> > I already posted a patch a long time ago to remove the 16MB limit on ARM
> > hosts:
> >
> > http://lists.gnu.org/archive/html/qemu-devel/2012-10/msg01684.html
> >
> > However as you can see in the thread, it has been rejected as it doesn't
> > not bring improvement in all cases.
>
> We could perhaps resurrect it and do some more benchmarking? Who
> would be able to do testing on (recent) ARM hardware?
I can provide an updated patch, but I would prefer if someone else does
the benchmarking on a really recent hardware. Not sure the hardware I
have (cortex A7) is really representative of a modern ARM CPU.
Aurelien
--
Aurelien Jarno GPG: 4096R/1DDD8C9B
address@hidden http://www.aurel32.net