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From: Andrei Gherzan <andrei@gherzan.ro>
To: "J. Tang" <tang@jtang.org>
Cc: yocto@yoctoproject.org
Subject: Re: [meta-raspberrypi] Why not enable hard floating point?
Date: Wed, 14 Jan 2015 21:36:10 +0100	[thread overview]
Message-ID: <20150114203610.GB4735@gmail.com> (raw)
In-Reply-To: <11564A1C-1D09-4BDA-8CCB-3045DF82EFD2@jtang.org>

Hello,

On Sat, Jan 10, 2015 at 10:38:50AM -0500, J. Tang wrote:
> The upstream meta-raspberrypi recipe builds an arm6 toolchain with only soft floating point. As an experiment, I enabled hard floating point by setting my DEFAULTTUNE to “armv6hf”. My code still ran correctly. Is there a reason why the meta-raspberrypi layer does not enable hard floating point?
>

Well we played a little with this in the past. And we realised that, at that
time at least, switching to hf didn't add any performace improvements. Did you
test anything that proves the contrary?

Thanks,

--
Andrei Gherzan


  reply	other threads:[~2015-01-14 20:36 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-10 15:38 [meta-raspberrypi] Why not enable hard floating point? J. Tang
2015-01-14 20:36 ` Andrei Gherzan [this message]
2015-01-15  0:11   ` J. Tang
2015-01-15  9:06     ` Mike Looijmans
2015-01-16  2:05       ` J. Tang
2015-01-18  0:29         ` Andrei Gherzan
2015-01-25 22:27           ` Andrei Gherzan

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