From: Paul Eggert <eggert@cs.ucla.edu>
To: Achim Gratz <Stromeko@nexgo.de>
Cc: emacs-devel@gnu.org
Subject: Re: random doesn't feel very random
Date: Sat, 01 Sep 2012 06:19:15 -0700 [thread overview]
Message-ID: <50420B53.4030006@cs.ucla.edu> (raw)
In-Reply-To: <87harirz13.fsf@Rainer.invalid>
On 09/01/2012 12:19 AM, Achim Gratz wrote:
> On systems having a better source of entropy (like
> /dev/urandom), the init value should be taken from that source rather
> than the "mix PID with current time" hack.
This is on my list of things to do, as a gnulib project.
Among other things, I plan to use the RDRAND instruction
available on current Intel processors, as that's much
faster and better than /dev/urandom.
> allow packages to have a
> private PRNG state bound to a variable and then each call to (random)
> will advance the private state rather than the global one.
That would make sense.
Care to propose an exact API for that? Now's a good time
to implement something like that, if we're going to do it.
next prev parent reply other threads:[~2012-09-01 13:19 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-24 5:47 random doesn't feel very random Ivan Kanis
2012-08-24 6:22 ` Tassilo Horn
2012-08-24 17:19 ` random doesn't feel very random, random doesn't feel very random, " Ivan Kanis
2012-08-24 18:50 ` Stephen J. Turnbull
2012-08-25 7:46 ` Ivan Kanis
2012-08-24 6:30 ` Leo
2012-08-24 22:48 ` Richard Stallman
2012-08-24 22:57 ` Andreas Schwab
2012-08-25 20:55 ` Richard Stallman
2012-08-25 23:25 ` Leo
2012-08-26 13:12 ` Richard Stallman
2012-08-26 14:24 ` Achim Gratz
2012-08-26 23:22 ` Leo
2012-08-27 0:50 ` Stefan Monnier
2012-08-27 6:31 ` Simon Leinen
2012-08-27 3:41 ` Richard Stallman
2012-08-27 4:48 ` Stefan Monnier
2012-08-31 9:41 ` Eli Zaretskii
2012-08-31 15:06 ` Stefan Monnier
2012-08-31 15:23 ` chad
2012-08-31 17:50 ` Eli Zaretskii
2012-08-31 19:43 ` Stefan Monnier
2012-09-01 1:18 ` Paul Eggert
2012-09-01 7:19 ` Achim Gratz
2012-09-01 13:19 ` Paul Eggert [this message]
2012-09-04 19:19 ` Nix
2012-09-04 20:07 ` Paul Eggert
2012-09-04 20:11 ` Nix
2012-09-02 12:27 ` Jason Rumney
2012-09-02 13:08 ` Stefan Monnier
2012-09-01 7:22 ` Ivan Kanis
2012-09-01 11:13 ` joakim
2012-08-31 23:04 ` Leo
2012-08-27 5:17 ` Achim Gratz
2012-08-31 9:42 ` Eli Zaretskii
2012-08-31 15:07 ` Stefan Monnier
2012-08-31 17:50 ` Eli Zaretskii
2012-08-26 9:06 ` Ivan Kanis
2012-08-24 7:03 ` Stephen J. Turnbull
2012-08-24 9:10 ` Paul Eggert
2012-08-24 17:45 ` Stephen J. Turnbull
2012-08-24 12:45 ` OT: appropriateness of "random" for playlist generation (was: random doesn't feel very random) Jeremiah Dodds
2012-08-24 14:37 ` random doesn't feel very random Drew Adams
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