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Date: Thu, 2 Feb 2017 22:19:57 +0100
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: to Single or not to Single
Patrick,
On Thu, Feb 02, 2017 at 09:42:52PM +0100, Patrick Proniewski wrote:
> After looking closely at the cracking session, I've determined that mode single attacks hashes in the same order that they appear in the file. So I have no explanation for the performance decrease. I made a graph for the first hour. It shows the very fast start, an impressive slowdown and a progressive slowdown during the full duration <https://www.patpro.net/~patpro/single-perf-decrease.png>.
You need to tell us what that graph shows. Right now, it's just
numbers. It could be g/s, p/s, c/s, C/s, or something entirely
different. Which is it? It would be of more help (for the community to
help you) if you copy-pasted a few status lines in here, e.g. at 1
minute vs. 10 minutes vs. 1 hour, along with their preceding Loaded and
Remaining lines.
Your use of single mode sounds appropriate for what you're doing.
To reduce its memory needs, try "--save-memory=2".
Alexander
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