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arXiv · 1207.1852

Optimal Deterministic Routing and Sorting on the Congested Clique

Christoph Lenzen
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Abstract

Consider a clique of n nodes, where in each synchronous round each pair of nodes can exchange O(log n) bits. We provide deterministic constant-time solutions for two problems in this model. The first is a routing problem where each node is source and destination of n messages of size O(log n). The second is a sorting problem where each node i is given n keys of size O(log n) and needs to receive the ith batch of n keys according to the global order of the keys. The latter result also implies deterministic constant-round solutions for related problems such as selection or determining modes.

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Christoph Lenzen. 2013-05-10. Optimal Deterministic Routing and Sorting on the Congested Clique. https://arxiv.org/abs/1207.1852

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