From: "Emilio G. Cota" <cota@braap.org>
To: "Alex Bennée" <alex.bennee@linaro.org>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v1 0/4] de-macrofy softmmu
Date: Mon, 17 Dec 2018 12:33:20 -0500 [thread overview]
Message-ID: <20181217173320.GA31091@flamenco> (raw)
In-Reply-To: <87mup4gmep.fsf@linaro.org>
On Mon, Dec 17, 2018 at 16:15:10 +0000, Alex Bennée wrote:
>
> Alex Bennée <alex.bennee@linaro.org> writes:
>
> > Hi,
> >
> <snip>
> >
> > Unfortunately in my simple boot test I see a slight performance
> > degradation:
> >
> > original: 10 times (100.00%), avg time 5.358 (0.02 varience/0.13 deviation)
> > demacro: 10 times (100.00%), avg time 5.760 (0.08 varience/0.29 deviation)
>
> Moving stuff back into cputlb seems to help:
>
> 10 times (100.00%), avg time 5.583 (0.03 varience/0.17 deviation)
Yes, I'd move it there. Also playing with attr __noinline__
for the slow paths like we did for hardfloat should help.
> > Emilio,
> >
> > Any chance you could run this through your more comprehensive benchmark
> > suite?
Sure, please give me a few days (got a paper submission deadline
on Wed).
Do you have a branch I can pull from?
Thanks,
Emilio
next prev parent reply other threads:[~2018-12-17 17:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-17 15:01 [Qemu-devel] [PATCH v1 0/4] de-macrofy softmmu Alex Bennée
2018-12-17 15:01 ` [Qemu-devel] [PATCH v1 1/4] accel/tcg: export some cputlb functions Alex Bennée
2018-12-17 15:01 ` [Qemu-devel] [PATCH v1 2/4] accel/tcg: introduce softmmu.c Alex Bennée
2018-12-17 15:01 ` [Qemu-devel] [PATCH v1 3/4] accel/tcg: use TLB helpers from softmmu.o Alex Bennée
2018-12-17 15:01 ` [Qemu-devel] [PATCH v1 4/4] accel/tcg: remove softmmu_template.h Alex Bennée
2018-12-17 16:15 ` [Qemu-devel] [PATCH v1 0/4] de-macrofy softmmu Alex Bennée
2018-12-17 17:29 ` Alex Bennée
2018-12-17 17:33 ` Emilio G. Cota [this message]
2018-12-24 5:21 ` no-reply
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