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Stream Processing for Embedded Domain Specific Languages

MARKUS ARONSSON (Institutionen för data- och informationsteknik, Programvaruteknik (Chalmers)) ; Emil Axelsson (Institutionen för data- och informationsteknik, Programvaruteknik (Chalmers)) ; Mary Sheeran (Institutionen för data- och informationsteknik, Programvaruteknik (Chalmers))
Proceedings of the 26th 2014 International Symposium on Implementation and Application of Functional Languages Vol. 26th (2014), p. 8:1-8:12.
[Konferensbidrag, refereegranskat]

We present a library for expressing digital signal processing (DSP) algorithms using a deeply embedded domain-specific language (EDSL) in Haskell. The library supports definitions in functional programming style, reducing the gap between the mathematical description of streaming algorithms and their implementation. The deep embedding makes it possible to generate efficient C code. The signal processing library is intended to be an extension of the Feldspar EDSL which, until now, has had a rather low-level interface for dealing with synchronous streams. However, the presented library is independent of the underlying expression language, and can be used to extend any pure EDSL for which a C code generator exists with efficient stream processing capabilities. The library is evaluated using example implementations of common DSP algorithms and the generated code is compared to its handwritten counterpart.

Nyckelord: Digital Signal Processing, Stream processing, Embedded domain specific language, data ow, synchronous programming, observable sharing, code generation



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Denna post skapades 2015-12-18. Senast ändrad 2016-08-29.
CPL Pubid: 228736