Date: Mon, 03 Feb 2003 14:20:44 +0100 From: Dag-Erling Smorgrav <des@ofug.org> To: Bakul Shah <bakul@bitblocks.com> Cc: Mark Murray <mark@grondar.org>, "Jeroen C. van Gelderen" <jeroen@vangelderen.org>, phk@FreeBSD.ORG, current@FreeBSD.ORG Subject: Re: rand() is broken Message-ID: <xzpptq9a4b7.fsf@flood.ping.uio.no> In-Reply-To: <200302021848.NAA19508@agamemnon.cnchost.com> (Bakul Shah's message of "Sun, 02 Feb 2003 10:48:00 -0800") References: <200302021848.NAA19508@agamemnon.cnchost.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Bakul Shah <bakul@bitblocks.com> writes: > Guys, please realize that random() is also used in generating > simulation inputs (or timing or whatever). If you go change > the underlying algorithm or its parameters one can't generate > the same sequence from the same seed when repeating a test. > Some chip bug symptoms show up after hours/days of simulation > time and only with specific inputs so repeatablity is a > requirement. Go to <URL:http://stat.fsu.edu/pub/diehard/cdrom/> for free download of up to 480,000,000 random bits, which ought to be enough for most simulations. DES -- Dag-Erling Smorgrav - des@ofug.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?xzpptq9a4b7.fsf>