Date: Thu, 6 Aug 2015 15:14:46 +0300 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: PHC: Argon2 on GPU Agnieszka, magnum - On Tue, Aug 04, 2015 at 12:10:33AM +0200, Agnieszka Bielec wrote: > none@...e ~/Desktop/rr_coal_2/run $ ./john --test --format=argon2i-opencl > Benchmarking: argon2i-opencl [Blake2 OpenCL]... > memory per hash : 1000.00 kB > Device 0: GeForce GTX 960M > 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: 2133 c/s real, 2118 c/s virtual > Only one salt: 2118 c/s real, 2133 c/s virtual Agnieszka - why are you testing this on your small GPU, and at 1 MB? Why not tune it (both 2d and 2i) the same as we did for the yescrypt vs. Lyra2 test, so likely 1.5 MB? I am interested in results that would be directly comparable to those you had for yescrypt and Lyra2. > again the same problem as with yescrypt, it's auotuned properly after > I divided MEM_SIZE / 4 here: > > opencl_init_auto_setup(SEED, 0, NULL, > warn, 4, self, create_clobj, release_clobj, MEM_SIZE/4, 0); magnum - please comment on this, or have you commented on the issue in another john-dev thread already? Thanks, Alexander
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