[patch] - random(6)

Victor Loureiro Lima victorloureirolima at gmail.com
Tue Jan 9 16:27:19 UTC 2007


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)
>
>
>


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