[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: [RFD] optimized versions of openssl

Goswin Brederlow <goswin.brederlow@student.uni-tuebingen.de> writes:

> Christoph Martin <martin@verwaltung.uni-mainz.de> writes:
> > The idea is to have a standard libssl0.9.6 package with no
> > optimisation and some optional packages like libssl0.9.6-i686 or
> > libssl0.9.6-k7 which can replace libssl0.9.6. 
> In general don't do that. On a case by case basis, if the package in
> question uses a lot of cpu time, as cryptography does, and is greatly
> speed up go ahead and make such packages. The speedup should be weigth
> against the extra work and space needed to achieve it.

The speedup between 386 and 486 code is a factor of 2 !!

See: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=139783&repeatmerged=yes

On sparc compilation with optimisation for sparcv8 gives a speed up of
factor 8 !!

See: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=139996&repeatmerged=yes


Christoph Martin, EDV der Verwaltung, Uni-Mainz, Germany
 Internet-Mail:  Christoph.Martin@Uni-Mainz.DE
  Telefon: +49-6131-3926337

Reply to: