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Date: Wed, 12 Aug 2015 18:32:09 +0200
From: Agnieszka Bielec <bielecagnieszka8@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: PHC: Argon2 on GPU
I wanted to do tests on super but I discovered that final speed and
reported when computng gws differs, don't know which is good
[a@...er run]$ ./john --test --format=argon2d-opencl --v=4
Benchmarking: argon2d-opencl [Blake2 OpenCL]...
memory per hash : 1.46 MB
Device 0: Tahiti [AMD Radeon HD 7900 Series]
Calculating best global worksize (GWS); max. 1s single kernel invocation.
gws: 256 964 c/s 964 rounds/s 265.514ms per crypt_all()!
gws: 512 1878 c/s 1878 rounds/s 272.497ms per crypt_all()+
gws: 1024 3447 c/s 3447 rounds/s 297.022ms per crypt_all()+
Local worksize (LWS) 64, global worksize (GWS) 1024
using different password for benchmarking
DONE
Speed for cost 1 (t) of 1, cost 2 (m) of 1500, cost 3 (l) of 1
Many salts: 2925 c/s real, 307200 c/s virtual
Only one salt: 2898 c/s real, 307200 c/s virtual
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