An Introduction to Array Programming in Petalisp
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Petalisp is a purely functional array programming language embedded into Common Lisp. It provides simple yet powerful mechanisms for reordering, broadcasting, and combining arrays, as well as an operator for element-wise mapping of arbitrary Common Lisp functions over any number of arrays.
This introduction covers the process of writing high-performance array programs in Petalisp and showcases its main concepts and interfaces. It continues with a simple example of an iterative method and some benchmarks, and concludes with a tour of the Petalisp implementation and a discussion how it achieves high performance and a low memory footprint.
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