1993
DOI: 10.1007/3-540-57273-2_66
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Mesh connected computers with fixed and reconfigurable buses: Packet routing, sorting, and selection

Abstract: Mesh connected computers have become attractive models of computing because of their varied special features. In this paper we consider two variations of the mesh model: 1) a mesh with fixed buses, and 2) a mesh with reconfigurable buses. Both these models have been the subject matter of extensive previous research. We solve numerous important problems related to packet routing and sorting on these models. In particular, we provide lower bounds and very nearly matching upper bounds for the following problems o… Show more

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Cited by 26 publications
(11 citation statements)
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“…In [8], Rajasekaran has presented randomized algorithms for selection on the hypercube (on both the sequential and parallel versions). In [10], Rajasekaran also presents optimal or very nearly optimal randomized algorithms for selection on the mesh with fixed as well as reconfigurable buses. Randomized selection algorithms for the star graph have been given by Rajasekaran and Wei [13].…”
Section: Previous Resultsmentioning
confidence: 98%
“…In [8], Rajasekaran has presented randomized algorithms for selection on the hypercube (on both the sequential and parallel versions). In [10], Rajasekaran also presents optimal or very nearly optimal randomized algorithms for selection on the mesh with fixed as well as reconfigurable buses. Randomized selection algorithms for the star graph have been given by Rajasekaran and Wei [13].…”
Section: Previous Resultsmentioning
confidence: 98%
“…Upper and lower bounds for unrestricted distance routing on meshes with fixed and reconfigurable buses can be found in [7,17,21,26,28]. For instance, for meshes with multiple buses, Leung and Shende [17] proved that 2n/3 is a tight worst-case time bound for permutation routing on an n-processor one-dimensional mesh.…”
Section: Routing On One-dimensional Short-bus Meshesmentioning
confidence: 99%
“…This variant of the mesh has been extremely popular, because of the absence of diameter considerations and commerical implementations. 18 S. RAMNATH An excellent survey of algorithms for routing, sorting and selection on the mesh with fixed buses can be found in [7].…”
Section: Introductionmentioning
confidence: 99%
“…This is within a factor of log n of the optimal. Rajasekaran [7] has an algorithm for sorting n items on an n2 x n2 mesh or an n x n x n mesh in O(1og n) time. Our result yields on O(1og n) time algorithm for a mesh of size n xn, which is within a factor of log log n of the optimal.…”
Section: Introductionmentioning
confidence: 99%