[meta-ti] omap3-sgx-modules-5.01.01.xx ONLY supports hardfp mode for now

[Ankur Tyagi]

thanks for help.

Will try with above suggestion

"Knowledge is knowing tomato is a fruit, wisdom is not putting it in a
fruit salad"

On Thu, Aug 6, 2015 at 3:46 PM, Khem Raj <raj.khem at gmail.com> wrote:

> On Wed, Aug 5, 2015 at 8:41 PM, Ankur Tyagi <ankur.tyagi85 at gmail.com>
> wrote:
> > Thanks for your response.
> >
> > So it is worth trying with TUNE_FEATURE "hfp" and measure the
> performance.
> > Do I have to set TARGET_FPU as "hfp-neon" as default value is "vfp-neon"
> >
>
> all you might need is to select a proper DEFAULTTUNE in machine config
> something like
>
> DEFAULTTUNE ?= "cortexa8thf-neon"
>
> > Does it make sense to push this change upstream as well ?
> >
> > "Knowledge is knowing tomato is a fruit, wisdom is not putting it in a
> fruit
> > salad"
> >
> > On Thu, Aug 6, 2015 at 3:00 PM, Khem Raj <raj.khem at gmail.com> wrote:
> >>
> >> On Wed, Aug 5, 2015 at 7:47 PM, Ankur Tyagi <ankur.tyagi85 at gmail.com>
> >> wrote:
> >> > Hi,
> >> >
> >> > I am using TI AM335x-EVM kit and while building image using
> >> > "arago-daisy-config.txt", I saw this warning :
> >> >
> >> > omap3-sgx-modules-5.01.01.02 ONLY supports hardfp mode for now
> >> > omap3-sgx-modules-5.01.01.01 ONLY supports hardfp mode for now
> >> >
> >> > and TUNE_FEATUREis "vfp"
> >> >
> >> > Does that mean GPU is not getting used anymore ?
> >>
> >> not really, what its telling is that you dont have
> >> callconvention-hard in TUNE_FEATURES
> >> which means that compiler wont use hardfloat ABI when making function
> >> calls.
> >> but neon/vfp will still be used e.g. when doing vectorization etc. if
> >> using hardfp ABI will radically improve performance totally depends
> >> upon kind of workload that you are measuring. It may vary.
> >>
> >> > I am using QT5 with eglfs platform and need GPU support for
> performance.
> >> >
> >> > Please clarify the situation.
> >> >
> >> > Thanks
> >> > Ankur
> >> >
> >> > --
> >> > _______________________________________________
> >> > meta-ti mailing list
> >> > meta-ti at yoctoproject.org
> >> > https://lists.yoctoproject.org/listinfo/meta-ti
> >> >
> >
> >
>
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