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Date: Sun, 26 Jul 2015 16:24:22 +0200
From: Agnieszka Bielec <>
Subject: Re: PHC: Lyra2 vs yescrypt benchmarks 2

2015-07-26 16:14 GMT+02:00 Solar Designer <>:
> On Sun, Jul 26, 2015 at 04:07:59PM +0200, Agnieszka Bielec wrote:
>> 2015-07-26 15:40 GMT+02:00 Solar Designer <>:
>> > On Sun, Jul 26, 2015 at 03:15:43PM +0200, Agnieszka Bielec wrote:
>> >> the opposite, seems that Lyra2 is faster with different passwords,
>> >> when I was testing Lyra I forgot to upload bench.c to server,
>> and yescrypt
> Oh, so you need to re-do all of these GPU benchmarks with your
> randomizing bench.c?

on super. I had proper bench.c when testing on 960m and now also have
proper bench.c however still I see the difference in this case

none@...e ~/Desktop/rrr/run $ ./john --test --format=lyra2-opencl --v=4
Benchmarking: Lyra2-opencl [Lyra2 OpenCL (inefficient, development use
only)]... Device 0: GeForce GTX 960M
Options used: -I ./kernels -cl-mad-enable -cl-nv-verbose -D__GPU__
memory per hash : 1.50 MB
Calculating best global worksize (GWS); max. 1s single kernel invocation.
gws:       256         491 c/s         491 rounds/s 521.035ms per crypt_all()!
Local worksize (LWS) 64, global worksize (GWS) 256
Speed for cost 1 (t) of 1, cost 2 (m) of 64, cost 3 (c) of 256, cost 4 (p) of 1
Raw:    506 c/s real, 506 c/s virtual

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