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Date: Tue, 01 Oct 2013 16:20:24 -0300
From: Claudio André <claudioandre.br@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: --fork using different OpenCL devices

> On 16 sep 2013, at 17:27, magnum<john.magnum@...hmail.com>  wrote:
> This is somewhat experimental because I have to postpone format init and self-test until after forking. It seems to work just fine though.

Seems to be perfect to me.

BTW: it is good for fast and for slow hashes. Of course, for slow hashes 
if someone uses only ONE GPU it will be useless (on AMD, even worse than 
useless).

Claudio

------
$ ../run/john test -form:raw-sha256-opencl -dev=0 -fork=2 -max-run-time=60
Loaded 1 password hash (Raw-SHA256-opencl [SHA256 OpenCL (inefficient, 
development use mostly)])
Node numbers 1-2 of 2 (fork)
Device 0: GeForce GTX 570
Device 0: GeForce GTX 570
Local worksize (LWS) 64, global worksize (GWS) 4423680
Local worksize (LWS) 64, global worksize (GWS) 4423680
Press 'q' or Ctrl-C to abort, almost any other key for status
Each node loaded 1/2 of wordfile to memory (about 12 KB/node)
2 0g 0:00:01:00 3/3 0g/s 30466Kp/s 30466Kc/s 30466KC/s trumton..162c&c4
1 0g 0:00:01:01 3/3 0g/s 30569Kp/s 30569Kc/s 30569KC/s clynno1128..sodia0g$
Waiting for 1 child to terminate
Session stopped (max run-time reached)


$ ../run/john test -form:raw-sha256-opencl -dev=0 -max-run-time=60
Device 0: GeForce GTX 570
Local worksize (LWS) 64, global worksize (GWS) 4423680
Loaded 1 password hash (Raw-SHA256-opencl [SHA256 OpenCL (inefficient, 
development use mostly)])
Press 'q' or Ctrl-C to abort, almost any other key for status
0g 0:00:01:00 3/3 0g/s 30255Kp/s 30255Kc/s 30255KC/s myhl3247..pp0pse22
Session stopped (max run-time reached)


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