Subject: Re: improving ssh performance on sun4m systems
To: Aaron J. Grier <agrier@poofygoof.com>
From: Charles Shannon Hendrix <shannon@widomaker.com>
List: port-sparc
Date: 03/14/2002 01:20:03
On Wed, Mar 13, 2002 at 06:25:43PM -0800, Aaron J. Grier wrote:
> compiler: cc -O2 -mcpu=supersparc -Werror
> sign verify sign/s verify/s
> dsa 512 bits 0.1029s 0.1273s 9.7 7.9
> dsa 1024 bits 0.3360s 0.4250s 3.0 2.4
Same thing, with 170MHz turboSPARC in an SS5:
compiler: cc -O2 -mcpu=supersparc -Werror
sign verify sign/s verify/s
dsa 512 bits 0.0379s 0.0465s 26.4 21.5
dsa 1024 bits 0.1180s 0.1482s 8.5 6.7
Not in line with the clock speed difference, so I guess this is due
mostly to the 512K of cache.
--
UNIX/Perl/C/Pizza__________________________________shannon@widomaker.com