Date: Thu, 29 Apr 2010 07:33:41 +0400 From: Solar Designer <solar@...nwall.com> To: john-users@...ts.openwall.com Subject: Re: gcc version, Core i7 Hi, I've updated the wiki page at: http://openwall.info/wiki/internal/gcc-local-build for gcc 4.5.0, optionally with Graphite (automatic parallelization). I was using a Core i7 machine for my tests, like before. The performance of John the Ripper when built with this new version of gcc is similar to a build with 4.4.3 (well, maybe MD5-based and Blowfish-based crypt(3) hashing becomes 1% faster or so, but this might differ from system to system). Thus, this is not a topic of the wiki page, which instead focuses on making those gcc builds (for any purpose) and on parallelization capabilities of gcc. The table of contents is: * How to create a user-local build of recent GCC * How to build GCC with the Graphite loop optimizations o Parallel processing with GCC + Automatic parallelization example + OpenMP example + Application to John the Ripper Alexander
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