r64343 at freescale.com
Tue Aug 10 03:39:58 BST 2010
Thanks for your reply. :)
OK, I will wait for the next release and would like to give it a try on our I.MX51/MX53 platforms and give you valuable feedback.
> -----Original Message-----
> From: Michael Hope [mailto:michael.hope at linaro.org]
> Sent: Monday, August 09, 2010 4:36 PM
> To: Liu Hui-R64343
> Cc: linaro-dev at lists.linaro.org; loic.minier at linaro.org
> Subject: Re: Cross toolchain
> Hi Jason. There's a couple of different things going on
> here. The Toolchain Working Group, which I am a part of, is
> working on both 4.4 and 4.5 based versions of GCC. We want
> the Linaro version to be 'the toolchain for ARM', as in the
> one that people first go to when thinking about an ARM project.
> The 4.4 version is being used by Ubuntu as their default compiler.
> The 4.5 version is where the new work and performance
> improvements will go. Both are focused on the Cortex-A
> series and have Thumb2, NEON, and Cortex-A specific
> optimisations. We will also be be supplying a standard
> cross-compiler builds that can be installed on your Ubuntu
> based host machine.
> Regarding benchmarks, I'd recommend you wait a week for our
> next release and give it a try on your actual code. We're
> very interested in any feedback and any performance
> regressions compared to earlier versions.
> Hope that helps,
> -- Michael
> The best benchmark to try
> On Mon, Aug 9, 2010 at 11:41 PM, Liu Hui-R64343
> <r64343 at freescale.com> wrote:
> > Hi, Linaoer,
> > I'm one SW engineer named Jason Liu from Freescale. I noticed that
> > there are some discussion about the arm-cross-toolchain. I want to
> > know the following:
> > What cross-tool chain will Linaro use? What's the version number?
> > Will it enable ARM-V7 support?
> > Will it enalbe NEON support?
> > What's the improvement for the memcpy function? What I'm
> asking this
> > question due to that we meet the peformance drop when we
> upgrade gcc
> > version from 4.1.2 to higher version.
> > Thanks.
> > BR,
> > Jason
> >> -----Original Message-----
> >> From: linaro-dev-bounces at lists.linaro.org
> >> [mailto:linaro-dev-bounces at lists.linaro.org] On Behalf Of Marcin
> >> Juszkiewicz
> >> Sent: Tuesday, July 20, 2010 12:00 PM
> >> To: linaro-dev at lists.linaro.org
> >> Subject: Re: [Linaro-dev] Maverick cross toolchain
> >> 2010.07.20
> >> updated gcc-4.4 to 4.4.4-7ubuntu1 and fixed dependencies of some
> >> packages updated gcc-4.5 to 4.5.0-8ubuntu1 and fixed
> dependencies of
> >> some packages updated binutils to
> >> 18.104.22.16800710-1ubuntu2 and reverted sysroot change updated ARM
> >> libraries to latest versions
> >> _______________________________________________
> >> linaro-dev mailing list
> >> linaro-dev at lists.linaro.org
> >> http://lists.linaro.org/mailman/listinfo/linaro-dev
> > _______________________________________________
> > linaro-dev mailing list
> > linaro-dev at lists.linaro.org
> > http://lists.linaro.org/mailman/listinfo/linaro-dev
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