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Small congestion embedding of graphs into hypercubes
1999
Networks
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We consider the problem of embedding graphs into hypercubes with minimal congestion. ...
The latter is the first result that shows a simple embedding of a binary tree into an optimal sized hypercube with explicit small congestion of 5. ...
The research is a part of CAD21 project at TIT. ...
doi:10.1002/(sici)1097-0037(199901)33:1<71::aid-net5>3.0.co;2-3
fatcat:p5cvuonwebcfpgggg37k7rc5ca
Efficient Embeddings into Hypercube-like Topologies
2003
Computer journal
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In this paper, we present a general method for one-to-one embeddings of irregularly structured graphs into their optimal hypercubes, based on extended edge bisectors of graphs. ...
Embeddings of various graph classes into hypercubes have been widely studied. Almost all these classes are regularly structured graphs such as meshes, complete trees or pyramids. ...
THE EMBEDDING In this section, we construct embeddings of arbitrary graphs into (k, h, o, λ)-trees provided the graphs have small bisectors. ...
doi:10.1093/comjnl/46.6.632
fatcat:ywukz3e7n5defl5b6fzf3s5ime
Page 6610 of Mathematical Reviews Vol. , Issue 99j
[page]
1999
Mathematical Reviews
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The latter is the first result that shows a simple embedding of a binary tree into an optimal-sized hypercube with an explicit small congestion of 5. ...
Summary: “We consider the problem of embedding graphs into hypercubes with minimal congestion. Y. M. Kim and T. H. Lai [J. ...
Optimal Dynamic Embeddings of Complete Binary Trees into Hypercubes
2001
Journal of Parallel and Distributed Computing
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Unfortunately, the usual construction of an embedding of a double-rooted complete binary tree into a hypercube does not provide any hint on how this embedding can be extended if each leaf spawns two new ...
In this paper, we present simple dynamic embeddings of double-rooted complete binary trees into hypercubes which do not suffer from this disadvantage. ...
The congestion of an embedding is the maximal congestion over all edges in H. The smallest hypercube into which a graph can be embedded one-to-one is called its optimal hypercube. ...
doi:10.1006/jpdc.2001.1734
fatcat:baaz4bl2q5betcondlgiglbvvy
One-to-One Embedding between Hyper Petersen and Petersen-Torus Networks
[chapter]
2009
Communications in Computer and Information Science
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Hyper Petersen ܲܪ మ మ ାଷ was embedded into Petersen-Torus PT(n,n) with expansion 1, dilation 1.5n+2, and congestion 5n. ...
The embedding algorithm was designed for expansion 1, and congestion and dilation are in proportion to O(n) owing to the aspect of Hyper Petersen that the degree increases. ...
In study [2] , 11-dimensional Hypercube was embedded into 32×64 mesh at dilation 32 and congestion 57, and smaller Hypercube and meshes were embedded. ...
doi:10.1007/978-3-642-10549-4_16
fatcat:7p66iobn4fcu7k6hzsrfckz3h4
Embedding hyperpyramids into hypercubes
1994
IBM Journal of Research and Development
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The dilation of the embedding is d + 1, with a congestion of O(2'). ...
We also present embeddings of a hyperpyramid &k, d ) together with 2d -2 hyperpyramids &k -1, d ) such that only one hypercube node is unused. ...
Acknowledgment We thank David Greenberg for his comments on an early draft of this paper, and Peter Corbett, who provided the ...
doi:10.1147/rd.381.0031
fatcat:apitirpaord7fhwghevfw4adpm
Efficient Embeddings of Trees in Hypercubes
1992
SIAM journal on computing (Print)
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In fact, the proof shows that every bounded-degree graph with an O(1)-separator can be embedded in a hypercube of the same size with dilation and congestion both O(1). ...
one of embedding the "data-dependency graph" underlying an algorithm within the processor interconnection graph. ...
Thnks to David Greenberg for helpful discussions and for his careful reading of the manuscript. Thanks also to Lennart Johnsson for early suggestions. ...
doi:10.1137/0221012
fatcat:kf2lk5vssfculcilr7saxvolcq
Lower bounds for dilation, wirelength, and edge congestion of embedding graphs into hypercubes
[article]
2018
arXiv
pre-print
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In this paper, lower bounds for the dilation, wirelength, and edge congestion of an embedding of a graph into a hypercube are proved. ...
Applying these results, the dilation and wirelength of embedding of certain complete multipartite graphs, folded hypercubes, wheels, and specific Cartesian products are computed. ...
The hypercube embedding problem is the problem of mapping a communication graph into a hypercube multiprocessor. ...
arXiv:1807.06787v2
fatcat:mi3xjq66vjdx3cvryt6nhdozs4
Embeddings Between Hypercubes and Hypertrees
2015
Journal of Graph Algorithms and Applications
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Also, we compute the exact wirelength of the embedding of the r-dimensional hypercube Q r into the rooted hypertree RHT (r), r ≥ 2. ...
Graph embedding problems have gained importance in the field of interconnection networks for parallel computer architectures. ...
Arockiaraj, Department of Mathematics, Loyola College, Chennai, India for his fruitful suggestions. ...
doi:10.7155/jgaa.00363
fatcat:xfc2ndw2tnb3hpu2drx4pypqsq
Embedding Graphs with Bounded Treewidth into Their Optimal Hypercubes
2002
Journal of Algorithms
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In this paper, we present a one-to-one embedding of a graph with bounded treewidth into its optimal hypercube. ...
This is the first time that embeddings of graphs with a highly irregular structure into hypercubes are investigated. ...
Our method leads to an embedding of a graph G into the hypercube with dilation 2k + o + 2. The embedding of the graph G into the k h o -tree will be performed as follows. ...
doi:10.1006/jagm.2002.1217
fatcat:j2udl5lcufh3jekk54aax4upue
Embedding graphs with bounded treewidth into optimal hypercubes
[chapter]
1996
Lecture Notes in Computer Science
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In this paper, we present a one-to-one embedding of a graph with bounded treewidth into its optimal hypercube. ...
This is the first time that embeddings of graphs with a very irregular structure into hypercubes are investigated. ...
Thus, an embedding of a graph G into its optimal hypercube has expansion less than two. ...
doi:10.1007/3-540-60922-9_14
fatcat:olbl6l2tunatjb7nsecjzosdi4
Page 5137 of Mathematical Reviews Vol. , Issue 92i
[page]
1992
Mathematical Reviews
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Various ways of embedding trees into hypercubes have been explored in the litera- ture. ...
An embedding of a guest graph G into a host graph H is a one- to-one mapping of the vertices of G, V(G), into the vertices of H, V (A), together with a mapping of the edges of G into simple paths of H ...
Efficient Dynamic Embeddings of Binary Trees into Hypercubes
2002
Journal of Algorithms
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Because of a known lower bound, any such algorithm must use either randomization or migration, i.e., remapping of tree vertices, to obtain an embedding of trees into hypercubes with small dilation, load ...
From this construction, a dynamic embedding of large binary trees into hypercubes is derived which achieves dilation of at most 6 and nearly optimal load. ...
There exists a one-to-one embedding of F into its optimal hypercube with dilation at most 9 and constant node-congestion. ...
doi:10.1006/jagm.2002.1218
fatcat:aq7ibim4jzfl3e73n2auoxtx2i
Page 421 of Mathematical Reviews Vol. , Issue 95a
[page]
1995
Mathematical Reviews
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In this paper we obtain (1) unit expansion embeddings of a variety of multidimensional grids, (2) dilation 1,2,3 and 4 embeddings of hypercubes, and (3) hier- archical and greedy spanning trees to support ...
“In emulations of separable graphs by cell trees, the node as- signment that ensures small dilation is derived from the separator- based decomposition of guest graphs. ...
Supporting the hypercube programming model on mesh architectures
1992
Proceedings of the fourth annual ACM symposium on Parallel algorithms and architectures - SPAA '92
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We outline the criteria used to evaluate graph embeddings for mapping supercomputer communication networks. ...
During the design effort of these building blocks, we developed and analyzed a new technique to support a hypercube network embedded onto a two dimensional torus. ...
I am grateful to all of them particularly to Thomas Gross, H.T. Kung, Guy Blelloch and Dave O'Hallaron. ...
doi:10.1145/140901.140917
dblp:conf/spaa/Stricker92
fatcat:ty7dwp7qgbeafoz5cmxtrabbim
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