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Message-ID: <CAKGDhHWD4tG1=31fZzG+tpggVB5BRYE7nPSQH7B2z-zXSUFAyQ@mail.gmail.com>
Date: Fri, 14 Aug 2015 17:22:05 +0200
From: Agnieszka Bielec <bielecagnieszka8@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: PHC: Argon2 on GPU
2015-08-14 16:44 GMT+02:00 Agnieszka Bielec <bielecagnieszka8@...il.com>:
> this can have something common with MEM_SIZE/4 (now I have removed /4)
> http://www.openwall.com/lists/john-dev/2015/08/06/22
> sorry, couldn't find my original e-mail
removed /4 because I had problems on super on Tahiti with this
(this is my previous version from commit
ada77dbb6a8a967271590d7879c39214df92e434 and with nother costs)
[a@...er run]$ ./john --test --format=argon2i-opencl --v=4
Benchmarking: argon2i-opencl [Blake2 OpenCL]...
memory per hash : 1000.00 kB
Device 0: Tahiti [AMD Radeon HD 7900 Series]
Calculating best global worksize (GWS); max. 1s single kernel invocation.
gws: 256 580 c/s 580 rounds/s 441.045ms per crypt_all()!
gws: 512 1077 c/s 1077 rounds/s 475.273ms per crypt_all()+
gws: 1024 1953 c/s 1953 rounds/s 524.191ms per crypt_all()+
OpenCL error (CL_MEM_OBJECT_ALLOCATION_FAILURE) in file
(opencl_argon2i_fmt_plug.c) at line (524) - (failed in
clEnqueueNDRangeKernel)
[a@...er run]$ GWS=1024 ./john --test --format=argon2i-opencl --v=4
Benchmarking: argon2i-opencl [Blake2 OpenCL]...
memory per hash : 1000.00 kB
Device 0: Tahiti [AMD Radeon HD 7900 Series]
Local worksize (LWS) 64, global worksize (GWS) 1024
using different password for benchmarking
DONE
Speed for cost 1 (t) of 3, cost 2 (m) of 1000, cost 3 (l) of 1
Many salts: 1969 c/s real, 204800 c/s virtual
Only one salt: 1950 c/s real, 204800 c/s virtual
[a@...er run]$ GWS=2048 ./john --test --format=argon2i-opencl --v=4
Benchmarking: argon2i-opencl [Blake2 OpenCL]...
memory per hash : 1000.00 kB
Device 0: Tahiti [AMD Radeon HD 7900 Series]
Local worksize (LWS) 64, global worksize (GWS) 2048
using different password for benchmarking
DONE
Speed for cost 1 (t) of 3, cost 2 (m) of 1000, cost 3 (l) of 1
Many salts: 3471 c/s real, 409600 c/s virtual
Only one salt: 3471 c/s real, 409600 c/s virtual
I checked if I forgot about deallocating some memory but I don't think so
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