[RC5] Speed

Richard Farmbrough Richard.Farmbrough at imminus.co.uk
Wed Jan 3 07:46:00 EST 2001


The most likely answer is the size of the blocks.

These are between 2^28 and 2^32 keys per block - a factor of 2^4=16.
You're seeing a factor of 12ish so this makes sense.

The reason that different size blocks are given out is to allow for faster
and slower computers.
Sometimes you get given smaller blocks than you ask for to avoid keyspace
fragmentation. 
(Personally I think this is a bit sloppy - the key server never has to
maintain more than 31 "partial blocks".)

	Rgds,

		Richard.

-----Original Message-----
From: Arne Hofmann [mailto:fe8x048 at public.uni-hamburg.de]
Sent: 23 December 2000 07:29
To: rc5 at lists.distributed.net
Subject: [RC5] Speed


Hi!

How come is the client sometimes faster (5 minutes per key) and sometimes
slower (2 hours). It is not the load of the computer, since the load was
alway
about the same.

Arne

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