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Message-ID: <OFF6AD0859.4077A7BE-ONC12578E9.004B9F2C-C12578E9.004BB62C@transmode.se> Date: Thu, 11 Aug 2011 15:46:58 +0200 From: Joakim Tjernlund <joakim.tjernlund@...nsmode.se> To: Bob Pearson <rpearson@...temfabricworks.com> Cc: akpm@...ux-foundation.org, fzago@...temfabricworks.com, linux@...izon.com, linux-kernel@...r.kernel.org Subject: Re: [patch v5 7/8] crc32-add-slicing-by-8.diff Bob Pearson <rpearson@...temfabricworks.com> wrote on 2011/08/11 00:44:52: > > extend add slicing-by-8 algorithm to the existing > slicing-by-4 algorithm. This consists of: > > - extend largest BITS size from 32 to 64 > - extend table from tab[4][256] to tab[8][256] > - change algorithm to align on 8 byte boundary > (it was noted that all that is really required > is that the inner loop must comsume 8 bytes. > As written it can start on even or odd 4 byte > boundary.) > - Add code for inner loop. > > Signed-off-by: Bob Pearson <rpearson@...temfabricworks.com> > > --- > lib/crc32.c | 60 ++++++++++++++++++++++++++++++++++++++++++--------- > lib/crc32defs.h | 14 +++++------ > lib/gen_crc32table.c | 40 ++++++++++++++++++++-------------- While looking at gen_crc32table.c I see that much of my remarks still stands -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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