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Date: Mon, 6 Aug 2012 15:46:46 +0800
From: myrice <>
Subject: Re: Result of hard core password generation on 7970


On Fri, Aug 3, 2012 at 12:42 AM, Solar Designer <> wrote:
> Are you using the bitmap even with just 1 hash loaded?  In the real
> implementation, I guess you'll need to do direct comparisons when the
> number of loaded hashes (for the current salt if applicable) is below a
> threshold (like just 1 or 2).

Here is the result of using local memory for hashes < 2048 and direct
compare using register for hashes is 1 or 2:
I set global work size to 2048*8 with all test cases:

raw-md5-opencl with PG (Local memory)

guesses: 0  time: 0:00:01:28 0.00%  c/s: 826315K

guesses: 0  time: 0:00:01:45 0.00%  c/s: 828407M

guesses: 0  time: 0:00:00:52 0.00%  c/s: 437215G

The code is here:

The file I changed:


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