[U-Boot] [U-Boot, v6, 01/10] exynos: config: enable arch memcpy and arch memset

Tom Rini trini at konsulko.com
Mon Mar 9 17:46:02 CET 2015


On Wed, Mar 04, 2015 at 02:01:21PM +0100, Przemyslaw Marczak wrote:

> This commit enables the following configs:
> - CONFIG_USE_ARCH_MEMCPY
> - CONFIG_USE_ARCH_MEMSET
> This increases the performance of memcpy/memset
> and also reduces the boot time.
> 
> This was tested on Trats2.
> A quick test with trace. Boot time from start to main_loop() entry:
> - ~1527ms - before this change (arch memset enabled for .bss clear)
> - ~1384ms - after this change
> 
> Signed-off-by: Przemyslaw Marczak <p.marczak at samsung.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>
> Cc: Minkyu Kang <mk7.kang at samsung.com>
> Cc: Akshay Saraswat <akshay.s at samsung.com>
> Cc: Simon Glass <sjg at chromium.org>
> Cc: Sjoerd Simons <sjoerd.simons at collabora.co.uk>

Applied to u-boot/master, thanks!

-- 
Tom
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