[patch] - random(6)

[Victor Loureiro Lima]

Bummer... here is the patch:

http://setuid.promisc.org/random_faster.tar.gz

att,
victor loureiro lima


2007/1/9, Victor Loureiro Lima <victorloureirolima at gmail.com>:
> Probly got stripped of the email somehow, somewhere ;)
> The patch is attached above...
>
> att,
> victor loureiro lima
>
> 2007/1/9, Lucas Holt <luke at foolishgames.com>:
> > Your patch appeared to get stripped from the mailing list.  I would
> > like to try your patch in MidnightBSD which is based on FreeBSD 6 if
> > you'd be willing to email it to me. :)
> >
> > Luke
> >
> >
> > On Jan 8, 2007, at 2:52 PM, Victor Loureiro Lima wrote:
> >
> > > I am forwarding this to -hackers, since I havent got any response from
> > > the author (seanc at freebsd.org) in months ;/ Maybe someone in here
> > > could take a few minutes and check this patch out and maybe commit it
> > > to the source tree
> > >
> > > att,
> > > victor loureiro lima
> > >
> > > ---------- Forwarded message ----------
> > > From: Victor Loureiro Lima <victorloureirolima at gmail.com>
> > > Date: 27/11/2006 15:19
> > > Subject: [patch] - random(6)
> > > To: seanc at freebsd.org
> > >
> > >
> > > Hello Sean,
> > >
> > > My name is Victor, I've sent you a patch which solved the "bug" in
> > > which random(6) would
> > > be way to slow to handle files that are greater than 10MB+, well, I am
> > > re-sending you that
> > > same patch with little modifications, do you think you could include
> > > it in the src tree?
> > > This patch also increases random(6) performance dramatically even
> > > when working with small-to-medium file sizes, it should be a good
> > > addition to the random(6) source tree, and
> > > its also been extensivelly tested against all features of random(6)
> > > and it scale really well with big files, for example:
> > >
> > > --
> > > setuid at zion$ yes | head -200000 > test
> > > setuid at zion$ time ./random -f test > /dev/null
> > > 0.257u 0.015s 0:00.27 96.2%     11+14460k 0+0io 0pf+0w
> > > setuid at zion$ time random -f test > /dev/null
> > > 187.366u 0.007s 3:07.39 99.9%   10+12945k 0+0io 0pf+0w
> > > --
> > >
> > > And this was on a Intel Core Duo 2 1.8ghz with 1GB of RAM, with one
> > > process taking
> > > less than a second to randomize it all, and the other taking 3
> > > minutes, I think its a good
> > > patch to be applied on the source tree.
> > > I also took the time to change the man page of random(6) to better
> > > describe the changes,
> > > basically removed the BUGS sections (since that bug is solved by the
> > > patch) and included a new line on the HISTORY section describing my
> > > contribution to the program :).
> > >
> > > Attached are the patches for randomize_fd.c and random.6, also a
> > > little description of the changes made in randomize_fd.c is in the
> > > readme file.
> > > Hope you find that this is patch is commitable, I would appreciate to
> > > have contributed to FreeBSD even if its just this little contribution
> > > :)
> > >
> > > ciao,
> > > victor loureiro lima
> > > _______________________________________________
> > > freebsd-hackers at freebsd.org mailing list
> > > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
> > > To unsubscribe, send any mail to "freebsd-hackers-
> > > unsubscribe at freebsd.org"
> >
> >
> > Lucas Holt
> > Luke at FoolishGames.com
> > ________________________________________________________
> > FoolishGames.com  (Jewel Fan Site)
> > JustJournal.com (Free blogging)
> > FoolishGames.net (Enemy Territory site)
> >
> >
> >
>
>
>