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Date: Sat, 4 Jul 2015 02:04:26 +0200
From: Agnieszka Bielec <bielecagnieszka8@...il.com>
To: john-dev@...ts.openwall.com
Subject: PHC: Lyra2 on GPU
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
my optimizations are based on transfer one table to local memory and
copying small portions of global memory into local buffers, I didn't
saw any sense i coalescing and I didn't tried it
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