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- Newsgroups: comp.parallel
- Path: sparky!uunet!gatech!hubcap!fpst
- From: vwulpen@cs.kuleuven.ac.be (Henk Van Wulpen)
- Subject: Re: Torus vs. Hypercube
- Message-ID: <1992Dec29.210624.18400@hubcap.clemson.edu>
- Apparently-To: comp-parallel@belgium.eu.net
- Sender: news@cs.kuleuven.ac.be
- Nntp-Posting-Host: pluto.cs.kuleuven.ac.be
- Organization: Dept. Computerwetenschappen
- References: <1992Dec27.201910.28352@ee.eng.ohio-state.edu>
- Date: Tue, 29 Dec 1992 18:58:21 GMT
- Approved: parallel@hubcap.clemson.edu
- Lines: 96
-
- In article <1992Dec27.201910.28352@ee.eng.ohio-state.edu>, bai@rainier.eng.ohio-state.edu (Baback A. Izadi) writes:
- |> Couple of weeks ago, I think heard a speaker claiming that
- |> 2-dimensional Torus and hypercube have basically the same
- |> topology. How could this be true? If it is, can someone
- |> point me to some references?
- |>
- |> Thank you
- |>
- |> Baback
-
-
- In my opinion, this is only true for hypercube dimensions up to
- four. It is fairly easy to construct tori that are completely
- equivalent to a hypercube. Simply use the binary naming for the
- nodes and take into account that each node should be directly
- connected with all nodes at Hamming distance 1. What you get is :
-
-
-
- 0 D
-
- *
- 0 (smart, heh ? :))
-
-
- 1 D
-
- - - *-------* - -
- 0 1
-
-
-
- 2 D | |
-
- - - *-------* - -
- |10 |11
- | |
- | |
- | |
- - - *-------* - -
- 00 01
- | |
-
-
-
- 3 D | | | |
-
- - - *-------*-------*-------* - -
- |110 |010 |011 |111
- | | | |
- | | | |
- | | | |
- - - *-------*-------*-------* - -
- 100 000 001 101
- | | | |
-
-
-
- 4 D
-
- | | | |
-
- - - *-------*-------*-------* - -
- |1110 |1010 |1011 |1111
- | | | |
- | | | |
- | | | |
- - - *-------*-------*-------* - -
- |0110 |0010 |0011 |0111
- | | | |
- | | | |
- | | | |
- - - *-------*-------*-------* - -
- |0100 |0000 |0001 |0101
- | | | |
- | | | |
- | | | |
- - - *-------*-------*-------* - -
- 1100 1000 1001 1101
- | | | |
-
-
-
-
- Hope this was what you were looking for...
-
- -Henk.
-
-
- ----------------------------------------------------------------------------
- Henk Van Wulpen | Money won't buy happiness,
- Engineering and Computer Science | But at least I'll wear nice cloths
- senior at the K.U.Leuven, Belgium | When I'm depressed...
- vwulpen@cs.kuleuven.ac.be | (T.M. Miller)
- ----------------------------------------------------------------------------
-
-