Date: Thu, 16 Nov 2000 08:31:21 +0200 From: Mark Murray <mark@grondar.za> To: Sheldon Hearn <sheldonh@uunet.co.za> Cc: arch@FreeBSD.ORG Subject: Re: RANDOMDEV inspired realitycheck regarding i386/i486... Message-ID: <200011160631.eAG6VLD68299@grimreaper.grondar.za> In-Reply-To: <2533.974316644@axl.fw.uunet.co.za> ; from Sheldon Hearn <sheldonh@uunet.co.za> "Wed, 15 Nov 2000 21:30:44 %2B0200." References: <2533.974316644@axl.fw.uunet.co.za>
next in thread | previous in thread | raw e-mail | index | archive | help
> Unless there are other undisclosed issues, I think we may be putting
> the cart before the horse here. Mark Murray has at least two different
> avenues down which performance improvements for the random device lie:
"three".
> * counter jitter instead of getnanotime(2)
> * rijndael instead of blowfish
* Use a circular buffer instad if a TAILQ-fifo to store the entropy
harvesting; this removes expensive malloc(9)s from the harvesting
procedure.
> Perhaps it would be wise to hold off on reminiscing about the good old
> days, when FreeBSD's ancestors would operate with less memory than
> FreeBSD uses to wipe its bottom, until we're actually sure that the only
> issue raised is a real issue.
:-)
M
--
Mark Murray
Join the anti-SPAM movement: http://www.cauce.org
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-arch" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200011160631.eAG6VLD68299>