Date: Wed, 10 Mar 2010 03:05:07 +0100 From: "Magnum, P.I." <rawsmooth@...dband.net> To: john-users@...ts.openwall.com Subject: Re: Is JTR MPIrun can be optimized for more cores ? > I tested JTR MPI 10 with -incremental mode (compiled SSE2). > > I ran JTR with a 2 millions hashes list, with my own .chr (can crack > up to 10 letters/digits/some symbols) > > Here it is 3 tests (same hashes list, all identical except cores > numbers, duration for each test 5 minutes): This would be a more relevant test: 1. Run your first test (2 cores) for 20 minutes. 2. Run your second test (4 cores) for 10 minutes. 3. Run your third test (8 cores) for 5 minutes. and you could also throw in: 4. Run a non-mpi john for 40 minutes. Now compare the results (as in number of passwords cracked). This will be a better indicator of how john-mpi scales.
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