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Date: Fri, 14 Dec 2012 20:19:10 -0200
From: Claudio André <claudioandre.br@...il.com>
To: john-dev@...ts.openwall.com
Subject: Benchmark versus incremental mode (speed)
Magnum, all
Why benchmark shows a speed so different from real cracking (even now)?
Is there anything i missed? Should i do something in a different way?
If possible, could you please give me any hint or advice?
First point, which one is the real number? Please take a look in [1] and
[2].
My test vector is not that bad comparing to --incremental mode. Or is it?
I need some advice since auto-tunning code have to show "the" speed.
[1]:
claudio@...l:~/unstable/src$ ../run/john -fo:sha256crypt-opencl ~/sha256
-inc --max-run-time=600
OpenCL platform 0: NVIDIA CUDA, 1 device(s).
Using device 0: GeForce GTX 570
Building the kernel, this could take a while
Local work size (LWS) 128, global work size (GWS) 23040
guesses: 0 time: 0:00:11:40 0.00% c/s: 19753 trying: tui1194 - sidgsb
Session stopped (max run-time reached)
[2]:
claudio@...l:~/claudio/src$ ../run/john -fo:sha256crypt-opencl -t
OpenCL platform 0: NVIDIA CUDA, 1 device(s).
Using device 0: GeForce GTX 570
Building the kernel, this could take a while
Local work size (LWS) 128, global work size (GWS) 23040
Benchmarking: sha256crypt (rounds=5000) [OpenCL]... DONE
Raw: 13552 c/s real, 13592 c/s virtual
Claudio
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