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Message-ID: <20111108221613.GB10693@openwall.com>
Date: Wed, 9 Nov 2011 02:16:13 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: CRC-32 faster than dummy at "many salts"
Jim -
This is curious:
Benchmarking: CRC-32 [32/64]... (8xOMP) DONE
Many salts: 250216K c/s real, 31238K c/s virtual
Only one salt: 26411K c/s real, 3297K c/s virtual
Benchmarking: dummy [N/A]... DONE
Raw: 90828K c/s real, 90828K c/s virtual
(same build, same machine).
I guess this is due to moving the set_key() overhead out of the loop
(even though for dummy it was merely saving passwords to an array).
I guess we'll get a similar "many salts" speed for "dummy" if we
implement support for dummies with salts. ;-)
Alexander
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