Subject: Re: Damn slow RSA_generate_key
To: matthew green <email@example.com>
From: Bernd Walter <firstname.lastname@example.org>
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:
> > 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:
4.373u 0.124s 0:07.66 58.6% 0+0k 17+1io 1pf+0w
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
email@example.com Usergroup firstname.lastname@example.org