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Productivity, Portability, Performance: Data-Centric Python
Event Type
Cloud and Distributed Computing
Data Management
Parallel Programming Languages and Models
Reproducibility Badges
Registration Categories
TimeThursday, 18 November 20214:30pm - 5pm CST
DescriptionPython has become the de facto language for scientific computing. Programming in Python is highly productive, mainly due to its rich science-oriented software ecosystem built around the NumPy module. As a result, the demand for Python support in high-performance computing (HPC) has skyrocketed. The Python language itself, however, does not necessarily offer high performance. In this work, we present a workflow that retains Python's high productivity while achieving portable performance across different architectures. The workflow's key features are HPC-oriented language extensions and a set of automatic optimizations powered by a data-centric intermediate representation. We show performance results and scaling across CPU, GPU, FPGA and the Piz Daint supercomputer (up to 23,328 cores), with 2.47x and 3.75x speedups over previous-best solutions; first-ever Xilinx and Intel FPGA results of annotated Python; and up to 93.16% scaling efficiency on 512 nodes.
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