November 2014
Intermediate to advanced
600 pages
17h 20m
English
Content preview from High Performance Parallelism Pearls Volume One
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Chapter 13
Heterogeneous Computing with MPI
Jerome Vienne; Carlos Rosales; Kent Milfeld TACC, USA
Abstract
The message passing interface (MPI) Standard has proven to be a valuable tool for sending messages (data) between processes over the last two decades. But, as high-performance computing clusters have evolved, the hardware complexity of nodes and interconnects now requires users to pay more attention to communication options to attain high performance as they scale-up applications using parallelism.
In this chapter, we will first discuss the hardware heterogeneity found in modern clusters. We then follow with an analysis of a typical Intel® Xeon Phi™ coprocessor accelerated node on the Stampede cluster at TACC, with a categorization ...
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