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Date: Wed, 16 Sep 2015 03:16:35 +0300
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: ldr_split_line() performance regression
magnum -
There's some ridiculous stuff in ldr_split_line() in jumbo now, such as
repeated uses of cfg_get_bool(). This (or/and something else) made JtR
unusably slow for me when not forcing a specific format. Just try
running it on pw-fake-unix from:
http://openwall.info/wiki/john/sample-hashes#Sample-password-hash-files
without requesting any format. It takes tens of seconds to load that
tiny file now, which was previously loaded instantly.
Please keep any non-trivial processing out of ldr_split_line(), or at
least limit it to only be done once (e.g., by using static variables).
Alexander
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