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john:parallelization [2014/02/12 17:54]
kunaguers old revision restored (2014/02/11 23:40)
john:parallelization [2014/02/12 23:51] (current)
ukasz old revision restored (2012/07/02 18:31)
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 John the Ripper 1.7.6+ includes built-in parallelization for multi-CPU and/or multi-core systems by means of OpenMP directives. ​ In 1.7.6, this was limited to [[http://​www.openwall.com/​crypt/​|bcrypt]] hashes (with JtR's own optimized code) and SHA-crypt and SunMD5 hashes [[http://​www.openwall.com/​lists/​john-users/​2010/​06/​20/​3|on recent Linux]] and [[http://​www.openwall.com/​lists/​john-users/​2010/​06/​20/​2|Solaris]] systems (with system-provided thread-safe crypto code). ​ All of this requires [[:​internal/​gcc-local-build|GCC 4.2 or newer]], or another OpenMP-capable C compiler (also tested with Sun Studio 12).  To enable the OpenMP parallelization,​ the proper ''​OMPFLAGS''​ line in the ''​Makefile''​ needs to be uncommented. John the Ripper 1.7.6+ includes built-in parallelization for multi-CPU and/or multi-core systems by means of OpenMP directives. ​ In 1.7.6, this was limited to [[http://​www.openwall.com/​crypt/​|bcrypt]] hashes (with JtR's own optimized code) and SHA-crypt and SunMD5 hashes [[http://​www.openwall.com/​lists/​john-users/​2010/​06/​20/​3|on recent Linux]] and [[http://​www.openwall.com/​lists/​john-users/​2010/​06/​20/​2|Solaris]] systems (with system-provided thread-safe crypto code). ​ All of this requires [[:​internal/​gcc-local-build|GCC 4.2 or newer]], or another OpenMP-capable C compiler (also tested with Sun Studio 12).  To enable the OpenMP parallelization,​ the proper ''​OMPFLAGS''​ line in the ''​Makefile''​ needs to be uncommented.
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 John the Ripper 1.7.9+ adds built-in OpenMP parallelization for traditional DES-based crypt(3), BSDI-style DES-based crypt(3), FreeBSD-style MD5-based crypt(3), and for LM hashes. ​ (For 1.7.6 through 1.7.8, similar parallelization of the DES-based hashes was available with patches.) John the Ripper 1.7.9+ adds built-in OpenMP parallelization for traditional DES-based crypt(3), BSDI-style DES-based crypt(3), FreeBSD-style MD5-based crypt(3), and for LM hashes. ​ (For 1.7.6 through 1.7.8, similar parallelization of the DES-based hashes was available with patches.)
john/parallelization.txt ยท Last modified: 2014/02/12 23:51 by ukasz
 
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