Subject: Re: Damn slow RSA_generate_key
To: matthew green <mrg@eterna.com.au>
From: Bernd Walter <ticso@cicely8.cicely.de>
List: port-sparc
Date: 02/01/2003 03:49:56
On Fri, Jan 31, 2003 at 02:53:17AM +1100, matthew green wrote:
> 
>    On Thu, Jan 30, 2003 at 02:34:45PM +0100, Bernd Walter wrote:
>    
>    > [103]cicely21# ./blah 
>    > 69.732u 0.129s 1:11.98 97.0%    0+0k 1+1io 0pf+0w
>    
>    My 100 MHz Krups needs 26 seconds.
>    My 300 MHz ultra sparc needs 6.59 s.
>    My 400 MHz PII 0.89 s.
>    
>    So gcc sucks (for sparcs at least), sparcs are dog slow, old Intels get 7.5 x
>    the performance at the same clock frequency.
> 
> did you use "gcc -mv8"?

Now that I recompiled libcrypto with -O2 -mv8:
[126]cicely21# ./blah
4.373u 0.124s 0:07.66 58.6%     0+0k 17+1io 1pf+0w
[127]cicely21# ./blah
17.562u 0.060s 0:17.96 98.1%    0+0k 0+1io 0pf+0w

An impressive difference.

-- 
B.Walter              COSMO-Project         http://www.cosmo-project.de
ticso@cicely.de         Usergroup           info@cosmo-project.de