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Date: Sat, 4 Jul 2015 17:55:16 +0200
From: Agnieszka Bielec <bielecagnieszka8@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: PHC: Lyra2 on GPU

2015-07-04 11:54 GMT+02:00 Solar Designer <solar@...nwall.com>:
> On Sat, Jul 04, 2015 at 02:04:26AM +0200, Agnieszka Bielec wrote:
>> I received results:
>>
>> [a@...er run]$ ./john --test --format=lyra2-opencl --dev=5
>> Benchmarking: Lyra2-opencl, Lyra2 [Lyra2 Sponge OpenCL (inefficient,
>> development use only)]... Device 5: GeForce GTX TITAN
>> Local worksize (LWS) 64, global worksize (GWS) 2048
>> DONE
>> Speed for cost 1 (t) of 8, cost 2 (m) of 8, cost 3 (c) of 256, cost 4 (p) of 2
>> Raw:    6023 c/s real, 5965 c/s virtual
>>
>> [a@...er run]$ ./john --test --format=lyra2-opencl
>> Benchmarking: Lyra2-opencl, Lyra2 [Lyra2 Sponge OpenCL (inefficient,
>> development use only)]... Device 0: Tahiti [AMD Radeon HD 7900 Series]
>> Local worksize (LWS) 64, global worksize (GWS) 2048
>> DONE
>> Speed for cost 1 (t) of 8, cost 2 (m) of 8, cost 3 (c) of 256, cost 4 (p) of 2
>> Raw:    7447 c/s real, 51200 c/s virtual
>>
>> before optimizations speed was equal to 1k
>
> Are these higher speeds reproducible on actual cracking runs?  Please test.

[a@...er run]$ ./john --incremental=digits --min-length=8
--max-length=8 hash --format=lyra2-opencl
Loaded 1 password hash (Lyra2-opencl, Lyra2 [Lyra2 Sponge OpenCL
(inefficient, development use only)])
Device 0: Tahiti [AMD Radeon HD 7900 Series]
Local worksize (LWS) 64, global worksize (GWS) 1024
Device 0: Tahiti [AMD Radeon HD 7900 Series]
Local worksize (LWS) 64, global worksize (GWS) 1024
Press 'q' or Ctrl-C to abort, almost any other key for status
0g 0:00:00:03 0.03% (ETA: 21:57:45) 0g/s 8268p/s 8268c/s 8268C/s
GPU:48°C util:64% fan:20% 12302145..10052501

[a@...er run]$ ./john --incremental=digits --min-length=8
--max-length=8 hash --format=lyra2-opencl --dev=5
Loaded 1 password hash (Lyra2-opencl, Lyra2 [Lyra2 Sponge OpenCL
(inefficient, development use only)])
Device 5: GeForce GTX TITAN
Local worksize (LWS) 64, global worksize (GWS) 2048
Device 5: GeForce GTX TITAN
Local worksize (LWS) 64, global worksize (GWS) 2048
Press 'q' or Ctrl-C to abort, almost any other key for status
0g 0:00:00:08 0.05% (ETA: 23:14:10) 0g/s 5905p/s 5905c/s 5905C/s
GPU:60°C util:99% fan:38% 19777123..11312252

and CUDA

[a@...er run]$ ./john --incremental=digits --min-length=8
--max-length=8 hash --format=lyra2-cuda
Loaded 1 password hash (Lyra2-cuda, Lyra2 [Lyra2 CUDA])
/
Press 'q' or Ctrl-C to abort, almost any other key for status
0g 0:00:00:02 0.00% (ETA: 08:26:18) 0g/s 1432p/s 1432c/s 1432C/s
GPU:49°C util:88% fan:34% 02082424..01223312

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