Re: [RFC][PATCH 2/2] Twofish cipher x86_64-asm optimized

[Joachim Fritschi]

On Sunday 07 May 2006 14:33, Herbert Xu wrote:
> On Sun, May 07, 2006 at 12:38:30PM +0200, Andi Kleen wrote:
> > It would be good if you could run some random input encrypt/decrypt tests
> > comparing the C reference version with yours. We have had bad luck
> > with assembler functions not quite implementing the same cipher
> > in the past.
>
> That's a very good point.  The tcrypt module provides both correctness
> tests as well as speed tests for twofish.  Please run it with your
> version versus the existing implementation.

All tcrypt tests pass successfully on both architectures.

Here are the outputs from the tcrypt speedtests:

http://homepages.tu-darmstadt.de/~fritschi/twofish/tcrypt-speed-c-i586.txt
http://homepages.tu-darmstadt.de/~fritschi/twofish/tcrypt-speed-asm-i586.txt
http://homepages.tu-darmstadt.de/~fritschi/twofish/tcrypt-speed-c-x86_64.txt
http://homepages.tu-darmstadt.de/~fritschi/twofish/tcrypt-speed-asm-x86_64.txt

Regards,
Joachim


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/