Date: Wed, 28 Sep 2011 18:39:06 +0200 From: magnum <rawsmooth@...dband.net> To: john-dev@...ts.openwall.com Subject: j5c4 incremental vs MPI (was: Fork=n) Solar, On 2011-09-23 03:42, Solar Designer wrote: > On Wed, Sep 21, 2011 at 10:18:33PM +0200, magnum wrote: >> BTW I have seen an MPI problem with j5c4 (neither using -fork nor -node, >> just -inc mode under MPI) but I've had no time to look into it. I got >> "Unexpected count: x != y" error. > > Obviously, I re-worked the MPI code in inc.c while adding --node, and I > never tested the effect of my changes on MPI (we didn't intend to use > MPI in the contest, and I think we didn't use it). Someone reported > that MPI worked for him anyway (after the contest), but that might not > be reliable info. The problem I mentioned was most likely introduced by myself (I must have applied the recent MPI bugfix, which is not valid for that code) - everything seems to be OK. If you intend to base the future incremental code on this, I could do a little bit of systematic MPI testing for good measure. magnum
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