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Efficient Parallel Python for High-Performance Computing


This tutorial is targeted at the intermediate-to-advanced Python user who wants to extend Python into High-Performance Computing. The tutorial will provide hands-on examples and essential performance tips every developer should know for writing effective parallel Python. The result will be a clear sense of possibilities and best practices using Python in HPC environments.

Many of the examples you often find on parallel Python focus on the mechanics of getting the parallel infrastructure working with your code, and not on actually building good portable parallel Python. This tutorial is intended to be a broad introduction to writing high-performance parallel Python that is well suited to both the beginner and the veteran developer.

We will discuss best practices for building efficient high-performance Python through good software engineering. Parallel efficiency starts with the speed of the target code itself, so we will first look at how to evolve code from for-loops to list comprehensions and generator comprehensions to using Cython with NumPy. We will also discuss how to optimize your code for speed and memory performance by using profilers.

The tutorial will cover some of the common parallel communication technologies (multiprocessing, MPI, and cloud computing) and introduce the use of parallel map and map-reduce.

At the end of the tutorial, participants should be able to write simple parallel Python scripts, make use of effective parallel programming techniques, and have a framework in place to leverage the power of Python in High- Performance Computing.


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