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Date: Sat, 5 Sep 2015 21:17:47 +0200
From: Agnieszka Bielec <bielecagnieszka8@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: PHC: Argon2 on GPU

2015-08-31 9:26 GMT+02:00 Solar Designer <solar@...nwall.com>:
> [solar@...er run]$ LWS=48 GWS=2304 ./john -test -format=argon2d-opencl -v=4 -dev=5
> Benchmarking: argon2d-opencl [Blake2 OpenCL]...
> memory per hash : 1.50 MB
> Device 5: GeForce GTX TITAN
> Options used: -I ./kernels -cl-mad-enable -cl-nv-verbose -D__GPU__ -DDEVICE_INFO=65554 -DDEV_VER_MAJOR=352 -DDEV_VER_MINOR=21 -D_OPENCL_COMPILER -DBINARY_SIZE=256 -DSALT_SIZE=64 -DPLAINTEXT_LENGTH=125
> Local worksize (LWS) 48, global worksize (GWS) 2304
> using different password for benchmarking
> DONE
> Speed for cost 1 (t) of 1, cost 2 (m) of 1536, cost 3 (l) of 1
> Many salts:     9680 c/s real, 9600 c/s virtual
> Only one salt:  9600 c/s real, 9600 c/s virtual

argon2d using ulong4 vectors when accessing global memory

[a@...er run]$ LWS=48 GWS=2304 ./john -test -format=argon2d-opencl -v=4 -dev=7
Benchmarking: argon2d-opencl [Blake2 OpenCL]...
memory per hash : 1.50 MB
Device 7: GeForce GTX TITAN
Options used: -I ./kernels -cl-mad-enable -cl-nv-verbose -D__GPU__
-DDEVICE_INFO=65554 -DDEV_VER_MAJOR=352 -DDEV_VER_MINOR=21
-D_OPENCL_COMPILER -DBINARY_SIZE=256 -DSALT_SIZE=64
-DPLAINTEXT_LENGTH=125
Local worksize (LWS) 48, global worksize (GWS) 2304
using different password for benchmarking
DONE
Speed for cost 1 (t) of 1, cost 2 (m) of 1536, cost 3 (l) of 1
Many salts:     11076 c/s real, 11184 c/s virtual
Only one salt:  11076 c/s real, 11076 c/s virtual

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