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Message-ID: <CAKGDhHU8ecd=kYXrczceHkswC1MV8+jOnu-O8QPX9NengmFHXw@mail.gmail.com>
Date: Wed, 12 Aug 2015 18:45:02 +0200
From: Agnieszka Bielec <bielecagnieszka8@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: PHC: Argon2 on GPU

2015-08-12 18:32 GMT+02:00 Agnieszka Bielec <bielecagnieszka8@...il.com>:
> 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

the same results when using the same password everywhere

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