[U-Boot] [PATCH] arm: Use optimized memcpy and memset from linux
Wolfgang Denk
wd at denx.de
Mon Jan 24 17:13:38 CET 2011
Dear Matthias Weisser,
In message <1295884607-9044-1-git-send-email-weisserm at arcor.de> you wrote:
> Using optimized versions of memset and memcpy from linux brings a quite
> noticeable speed (x2 or better) improvement for these two functions.
>
> Size impact:
>
> C version:
> text data bss dec hex filename
> 202862 18912 266456 488230 77326 u-boot
>
> ASM version:
> text data bss dec hex filename
> 203798 18912 266288 488998 77626 u-boot
How exactly did you measure the speed improvement?
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Real programmers can write assembly code in any language. :-)
- Larry Wall in <8571 at jpl-devvax.JPL.NASA.GOV>
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