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Date: Fri, 18 May 2012 21:34:17 +0200
From: magnum <>
Subject: Re: Performance Considerations of stdin

On 05/18/2012 09:29 PM, magnum wrote:
> On 05/18/2012 08:31 PM, jfoug wrote:
>> I would love to hear any speed comparisons between 
>> john -rules:xxx -memory=9999999 -w=input.dat
>> and 
>> word_gen input.dat | john --stdin
>> where the --rules:xxx (or externs, etc) and word_gen were 'comparable', when
>> run on other OS's.
> Just for the record, you could as well use the (poorly documented)
> -memory=0 for this. It will buffer the whole file no matter how large it is.

Correction: Both Jim and I meant the --mem-file-size option. So you've
better use -mem and not -memory.

Also, it turns out this zero shortcut is actually documented in doc/OPTIONS.


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