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- W2041503325 abstract "A highly parallel graph mapping technique that enables one to efficiently solve unstructured grid problems on massively parallel computers is presented. Many implicit and explicit methods for solving discretized partial differential equations require each point in the discretization to exchange data with its neighboring points every time step or iteration. The cost of this communication can negate the high performance promised by massively parallel computing. To eliminate this bottleneck, the graph of the irregular problem is mapped into the graph representing the interconnection topology of the computer such that the sum of the distances that the messages travel is minimized. It is shown that using the heuristic mapping algorithm significantly reduces the communication time compared to a naive assignment of processes to processors." @default.
- W2041503325 created "2016-06-24" @default.
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- W2041503325 date "1990-11-01" @default.
- W2041503325 modified "2023-09-26" @default.
- W2041503325 title "<title>Solving unstructured grid problems on massively parallel computers</title>" @default.
- W2041503325 doi "https://doi.org/10.1117/12.23496" @default.
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