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- W1480563495 abstract "A parallel algorithm for the reactive-transport simulator PHAST was developed for a Beowulf cluster of Linux PCs. The Local Area Multicomputer implementation of the Message Passing Interface standard was used for communication among processors. PHAST simulates reactive transport by operator splitting the calculation into a flow and transport step and a chemical reaction step. A load-balancing algorithm was developed using random mapping of cells to the processors for the reaction task and rebalancing after each time step. Testing with a demonstration field-scale example showed that the parallel algorithm was scalable over a range of processors and problem sizes. Load balancing is an important element of the parallel algorithm. Super-linear speedup indicated that the sequential program is not optimal in cache usage. Relative speedups on 16.8 effective processors ranged from 10 to 24 which can bring field-scale reactive-transport simulations into a reasonable timeframe." @default.
- W1480563495 created "2016-06-24" @default.
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- W1480563495 date "2002-01-01" @default.
- W1480563495 modified "2023-09-27" @default.
- W1480563495 title "Parallel processing for PHAST: a three-dimensional reactive-transport simulator" @default.
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- W1480563495 doi "https://doi.org/10.1016/s0167-5648(02)80128-9" @default.
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