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Date: Mon, 13 Jul 2015 13:43:15 +0200
From: Agnieszka Bielec <bielecagnieszka8@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: PHC: Lyra2 on GPU

2015-07-12 16:39 GMT+02:00 Solar Designer <solar@...nwall.com>:
> Hi Agnieszka,
>
> On Mon, Jul 06, 2015 at 06:07:34PM +0200, Agnieszka Bielec wrote:
>> 2015-07-05 8:05 GMT+02:00 Solar Designer <solar@...nwall.com>:
>> > On Sun, Jul 05, 2015 at 12:52:48AM +0200, Agnieszka Bielec wrote:
>> >> [a@...er run]$ GOMP_CPU_AFFINITY=0-31 ./john --test --format=lyra2
>> >> Will run 32 OpenMP threads
>> >> Benchmarking: Lyra2, Generic Lyra2 [ ]... (32xOMP) DONE
>> >> Speed for cost 1 (t) of 8, cost 2 (m) of 8
>> >> Many salts:     49792 c/s real, 1556 c/s virtual
>> >> Only one salt:  49504 c/s real, 1546 c/s virtual
>> >>
>> >> [a@...er run]$ GOMP_CPU_AFFINITY=0-31 ./john --test --format=lyra2-lm
>> >> Will run 32 OpenMP threads
>> >> Benchmarking: Lyra2-lm, Generic Lyra2 [ ]... (32xOMP) DONE
>> >> Speed for cost 1 (t) of 8, cost 2 (m) of 8
>> >> Many salts:     38848 c/s real, 1263 c/s virtual
>> >> Only one salt:  42272 c/s real, 1376 c/s virtual
>> >
>> > What's the difference between Lyra2 and Lyra2-lm?
>>
>> lm - low memory. thread: Lyra2 on CPU
>
> Can you perhaps explain what "low memory" means here in a few sentences?
> Or refer me to specific postings in that thread?

http://www.openwall.com/lists/john-dev/2015/06/01/22

low memory - version b)

without '-lm' - version c)

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