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Date: Sat, 8 Dec 2012 18:05:03 +0100
From: magnum <john.magnum@...hmail.com>
To: john-users@...ts.openwall.com
Subject: Re: New format: krb5ng-opencl - cracking speed?
On 8 Dec, 2012, at 14:50 , Dhiru Kholia <dhiru.kholia@...il.com> wrote:
> On Sat, Dec 8, 2012 at 7:12 PM, buawig <buawig@...il.com> wrote:
>> thanks for adding krb5ng-opencl! What speeds do you reach with it?
>> Anyone tried yet?
>
> ATI 6970 (non-OMP build)
>
> ✗ ../run/john -fo:krb5ng-opencl -t
> OpenCL platform 0: AMD Accelerated Parallel Processing, 2 device(s).
> Using device 0: Cayman
> Local worksize (LWS) 64, Global worksize (GWS) 32768
> Benchmarking: Kerberos 5 AS-REQ Pre-Auth aes256-cts-hmac-sha1-96
> [OpenCL 4x]... DONE
> Raw: 54274 c/s real, 364088 c/s virtual
>
> ✗ ../run/john -fo:krb5ng-opencl -t --request-scalar
> OpenCL platform 0: AMD Accelerated Parallel Processing, 2 device(s).
> Using device 0: Cayman
> Local worksize (LWS) 64, Global worksize (GWS) 131072
> Benchmarking: Kerberos 5 AS-REQ Pre-Auth aes256-cts-hmac-sha1-96
> [OpenCL]... DONE
> Raw: 55894 c/s real, 369216 c/s virtual
So maybe I should make Cayman default to scalar for this format. Here's a couple more:
A Macbook Pro laptop (not OMP here but it's got AES-NI):
OpenCL platform 0: Apple, 2 device(s).
Using device 1: GeForce GT 650M
Local worksize (LWS) 768, Global worksize (GWS) 1536
Benchmarking: Kerberos 5 AS-REQ Pre-Auth aes256-cts-hmac-sha1-96 [OpenCL]... DONE
Raw: 6193 c/s real, 128000 c/s virtual
Openwall's test rig:
OpenCL platform 0: NVIDIA CUDA, 1 device(s).
Using device 0: GeForce GTX 570
Local worksize (LWS) 128, Global worksize (GWS) 65536
Benchmarking: Kerberos 5 AS-REQ Pre-Auth aes256-cts-hmac-sha1-96 [OpenCL]... DONE
Raw: 35617 c/s real, 35520 c/s virtual
OpenCL platform 1: AMD Accelerated Parallel Processing, 2 device(s).
Using device 0: Tahiti
Local worksize (LWS) 64, Global worksize (GWS) 262144
Benchmarking: Kerberos 5 AS-REQ Pre-Auth aes256-cts-hmac-sha1-96 [OpenCL]... DONE
Raw: 102001 c/s real, 429744 c/s virtual
OMP and/or AES-NI capabilities currently make a difference but I'll probably move the post processing to GPU at some point in time:
OpenCL platform 0: NVIDIA CUDA, 1 device(s).
Using device 0: GeForce GTX 570
Local worksize (LWS) 128, Global worksize (GWS) 65536
Benchmarking: Kerberos 5 AS-REQ Pre-Auth aes256-cts-hmac-sha1-96 [OpenCL]... (8xOMP) DONE
Raw: 37991 c/s real, 32932 c/s virtual
OpenCL platform 1: AMD Accelerated Parallel Processing, 2 device(s).
Using device 0: Tahiti
Local worksize (LWS) 256, Global worksize (GWS) 262144
Benchmarking: Kerberos 5 AS-REQ Pre-Auth aes256-cts-hmac-sha1-96 [OpenCL]... (8xOMP) DONE
Raw: 125427 c/s real, 262144 c/s virtual
magnum
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