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Message-ID: <20120501051046.GA10416@openwall.com>
Date: Tue, 1 May 2012 09:10:46 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: Lukas - status report #2
Lukas -
On Tue, May 01, 2012 at 09:04:20AM +0400, Solar Designer wrote:
> I tested and looked at the code in magnum-jumbo from a few hours ago.
> It turns out that you made an important commit in those hours. I'll
> re-test and re-review.
Here are the new results (still no tuning):
user@...l:~/john/magnum-jumbo/run$ ./john -te -fo=wpapsk-cuda
Benchmarking: wpapsk-cuda [GPU]... DONE
Raw: 27015 c/s real, 27151 c/s virtual
user@...l:~/john/magnum-jumbo/run$ ./john -te -fo=wpapsk-opencl
OpenCL platform 0: NVIDIA CUDA, 1 device(s).
Using device 0: GeForce GTX 570
OpenCL error (CL_OUT_OF_RESOURCES) in file (opencl_wpapsk_fmt.c) at line (125) - (Run kernel)
user@...l:~/john/magnum-jumbo/run$ ./john -te -fo=wpapsk-opencl -pla=1
OpenCL platform 1: AMD Accelerated Parallel Processing, 2 device(s).
Using device 0: Tahiti
Optimal Group work Size = 64
Benchmarking: wpapsk-opencl [GPU - OpenCL]... DONE
Raw: 40069 c/s real, 100800 c/s virtual
For comparison, this used to be "64000 c/s real, 531692 c/s virtual".
So the real speed has decreased, and the CPU usage has increased.
Did you say that the old speeds were somehow not real? Was there some
kind of bug (incomplete implementation?) that you fixed?
user@...l:~/john/magnum-jumbo/run$ ./john -te -fo=wpapsk-opencl -pla=1 -dev=1
OpenCL platform 1: AMD Accelerated Parallel Processing, 2 device(s).
Using device 1: AMD FX(tm)-8120 Eight-Core Processor
Optimal Group work Size = 2
Benchmarking: wpapsk-opencl [GPU - OpenCL]... DONE
Raw: 2094 c/s real, 266 c/s virtual
Alexander
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