From: Thierry Reding <thierry.reding@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2] arm: tegra: initial support for apalis t30
Date: Mon, 25 Aug 2014 11:24:26 +0200 [thread overview]
Message-ID: <20140825092343.GB12209@ulmo.nvidia.com> (raw)
In-Reply-To: <1408915084.3785.21.camel@localhost.localdomain>
On Sun, Aug 24, 2014 at 11:18:04PM +0200, Marcel Ziswiler wrote:
> On Fri, 2014-08-22 at 13:31 -0600, Stephen Warren wrote:
> > > +#define CONFIG_USE_ARCH_MEMCPY
> >
> > That last option isn't set on other Tegra boards; what's it for?
>
> This is my special gift to Thierry to leverage architecture specific
> memory copying routine which gives another few percent performance boost
> on image download curtsey Stefan initially experimenting with it on
> Vybrid (;-p).
Unfortunately enabling this doesn't seem to make much difference on
Jetson TK1. TFTP downloads are still around 2 MiB/s. But I suspect that
this might be a more general issue with the r8169 driver not being very
optimized for speed.
Thierry
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next prev parent reply other threads:[~2014-08-25 9:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4e5681daf84a08d160751c3da392f654e2b440ef.1408687805.git.marcel@ziswiler.com>
2014-08-22 7:35 ` [U-Boot] [PATCH v2] arm: tegra: initial support for apalis t30 Marcel Ziswiler
2014-08-22 19:31 ` Stephen Warren
2014-08-24 21:18 ` Marcel Ziswiler
2014-08-25 9:24 ` Thierry Reding [this message]
2014-08-25 16:09 ` Stephen Warren
2014-08-26 9:45 ` Marcel Ziswiler
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