Two presents from AMD...

[Tom Sylla]

Should this tree, built with the tools called out in the instructions,
create a binary matching the one currently cat'ed with LB? Has that been
checked? i.e., has this tree been verified to be the one used by SteveG to
make the last VSA binary in use?



On 9/28/06, Jim Gettys <jg at laptop.org> wrote:
>
> 1) the VSA source code is now in Git: thanks to Jordan for bird-dogging
> this. http://dev.laptop.org/git?p=geode-vsa;a=summary Many of you know
> this, but for those that don't: the VSA code can only be built currently
> using very obsolete and no longer commercially available versions of
> various Windows compilers and other tools.  But it does mean you can see
> how it works, and we know that if we really had to, we could fix
> problems.
>
> 2) A test framework and some specific implementations of high use
> routines (e.g. strcmp, memcopy, and the like), implemented by John
> Zulauf.  These need to be rerun on our boards to see if John's initial
> results are correct, and where appropriate, integrated into glibc or
> other appropriate places; I believe John did most of this work on an LX,
> but the GX and LX are similar in most areas.  I feel the test framework
> is as valuable as the specific routines that John worked on optimizing.
>
> Current work includes:
>
>       * Memcmp performance test -- improved 1.47x
>       * Memcpy performance test -- improved 1.24x
>       * Memset performance test -- improved 1.1x
>       * Strcmp performance test -- improved 2.32x
>       * strcpy performance test -- improved 1.65x
>       * Strlen performance test -- improved 1.2x
>
> Note that I checked the whole kit and caboodle into git, including
> doxygen generated html files; it would be good if someone got this
> properly set up on a web server on laptop.org and took it as a personal
> crusade.
>                                   - Jim
>
> --
> Jim Gettys
> One Laptop Per Child
>
>
> _______________________________________________
> Devel mailing list
> Devel at laptop.org
> http://mailman.laptop.org/mailman/listinfo/devel
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.laptop.org/pipermail/devel/attachments/20060928/0eb0cd86/attachment.html>