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Date: Sat, 4 Jul 2015 19:26:01 +0200
From: Agnieszka Bielec <bielecagnieszka8@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: PHC: Lyra2 on GPU
2015-07-04 19:19 GMT+02:00 Solar Designer <solar@...nwall.com>:
> On Sat, Jul 04, 2015 at 07:13:26PM +0200, Agnieszka Bielec wrote:
>> 2015-07-04 19:06 GMT+02:00 Solar Designer <solar@...nwall.com>:
>> > On Sat, Jul 04, 2015 at 06:51:14PM +0200, Agnieszka Bielec wrote:
>> >> 2015-07-04 18:11 GMT+02:00 Solar Designer <solar@...nwall.com>:
>> >> > On Sat, Jul 04, 2015 at 05:55:16PM +0200, Agnieszka Bielec wrote:
>> >> >> [a@...er run]$ ./john --incremental=digits --min-length=8
>> >> >> --max-length=8 hash --format=lyra2-opencl
>> >> >> Loaded 1 password hash (Lyra2-opencl, Lyra2 [Lyra2 Sponge OpenCL
>> >> >> (inefficient, development use only)])
>> >> >> Device 0: Tahiti [AMD Radeon HD 7900 Series]
>> >> >> Local worksize (LWS) 64, global worksize (GWS) 1024
>> >> >> Device 0: Tahiti [AMD Radeon HD 7900 Series]
>> >> >> Local worksize (LWS) 64, global worksize (GWS) 1024
>> >> >
>> >> > Why are these two lines repeated?
>> >>
>> >> because I'm using reset(), not init()
>> >
>> > Why are you doing that?
>>
>> I know how much memory i need basing on costs settings, and I autotune
>> once again because optimal number of GWS may change for various costs
>
> Maybe the auto-tuning could be done only once, only in reset()?
it's only in reset but first reset is called for correctness tests and
after that is called before real password cracking
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