Abstract
A new approach for dynamic processor allo cation in hypercube multiprocessors which sup ports a multi-user environment is proposed. A dynamic binary tree is used for processor allo cation along with an array of free lists. Two al gorithms are proposed based on this approach that are capable of handling cubic as well as non-cubic allocation efficiently. The time com plexities for both allocation and deallocation are shown to be polynomial; orders of mag nitude improvement over the existing expo nential and even super-exponential algorithms. Unlike the existing strategies, the proposed strategies are best-fit strategies and do not ex cessively fragment the hypercube. Simulation results indicate that the proposed strategies outperform the existing ones in terms of pa rameters such as average delay in honoring a request, average allocation time and average deallocation time.
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