Path: utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!uflorida!gatech!hubcap!halldors
From: halldors@paul.rutgers.edu (Magnus M Halldorsson)
Newsgroups: comp.parallel
Subject: Re: Hmm!  ( CM info / also req. dataflow info )
Message-ID: <3516@hubcap.UUCP>
Date: 11 Nov 88 21:18:20 GMT
Sender: fpst@hubcap.UUCP
Lines: 13
Approved: parallel@hubcap.clemson.edu

In article <3507@hubcap.UUCP> bjornl@tds.kth.se (Bj|rn Lisper) writes:

> If I recall this correctly (I hope I'm not on thin ice here), the
> NEWS routing in the CM-2 is reconfigurable so it can be a multidimensional
> grid. The original NEWS grid was two-dimensional only (with possible
> wraparound, to make a torus). (This, if correct, supports my belief that the
> NEWS routing is embedded within the hypercube.)

You're right. The CM-1 had actual NEWS grid wires, hence fixed 2-dim.
In the CM-2, however, the 'NEWS grid' is embedded into the hypercube,
by playing with the node addresses.

Magnus