Path: utzoo!attcan!uunet!tank!uwvax!astroatc!ttl
From: ttl@astroatc.UUCP (Tony Laundrie)
Newsgroups: comp.arch
Subject: Re: Cycle Counter
Message-ID: <2564@astroatc.UUCP>
Date: 10 Aug 89 13:27:49 GMT
References: <GRUNWALD.89Aug9162836@flute.cs.uiuc.edu>
Reply-To: ttl@astroatc.UUCP (Tony Laundrie)
Distribution: comp
Organization: Astronautics Technology Cntr, Madison, WI
Lines: 10

In article <GRUNWALD.89Aug9162836@flute.cs.uiuc.edu> grunwald@flute.cs.uiuc.edu writes:
>
>I know something like this exists on the Cray X-MP; do other machines
>have cycle counters as well?
>

The famous Astronautics ZS-1 has a 64-bit register that increments every
clock period of 45 nS, making it good for 263 centuries.

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