RE: Fast random generator was: Re: Ideas for v2.1

Ray_Van_Tassle-CRV004@email.mot.com
2 Jul 96 11:12:31 -0500

I have a collection of very good, and fast, random number gererators. I
would be happy to make such a device, if it would be useful. But I don't
want to go do the work only to have it ignored because the current RNG's are
"good enough".

Responses??

Regards,
Ray Van Tassle
rayvt@comm.mot.com

________________________________________________________
To: linux-kernel@vger.rutgers.edu@INTERNET
From: bon@elektron.ikp.physik.th-darmstadt.de(RFC-822)@INTERNET on Tue, Jul
2, 1996 9:25 AM
Subject: z-Fast random generator was: Re: Ideas for v2.1

Old-Subject: Fast random generator was: Re: Ideas for v2.1
Precedence: bulk

Hallo,

as I have problems with bad blocks on a harddisk, I find it usefull to write
random data to the disk to probe that. However the speed of /dev/urandom
doesn't match the write speed of modern harddisks at all:
elektron:/mnt1/home> time dd if=/dev/urandom of=/dev/null bs=1k count=1k
1024+0 records in
1024+0 records out
0.000u 4.040s 0:04.08 99.0% 0+0k 0+0io 42pf+0w
That's about 250 kByte/sec. This is with a Pentium 100

So I would like to see a fast (possibly much mor predictable) random
generator device (/dev/fandom), running with perhaps 5 MBytes/sec or better
above. Is that feasable? 

-- 
Uwe Bonnes                bon@elektron.ikp.physik.th-darmstadt.de


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