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Haskell High Performance Programming

Haskell High Performance Programming

By : Thomasson
3 (2)
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Haskell High Performance Programming

Haskell High Performance Programming

3 (2)
By: Thomasson

Overview of this book

Haskell, with its power to optimize the code and its high performance, is a natural candidate for high performance programming. It is especially well suited to stacking abstractions high with a relatively low performance cost. This book addresses the challenges of writing efficient code with lazy evaluation and techniques often used to optimize the performance of Haskell programs. We open with an in-depth look at the evaluation of Haskell expressions and discuss optimization and benchmarking. You will learn to use parallelism and we'll explore the concept of streaming. We’ll demonstrate the benefits of running multithreaded and concurrent applications. Next we’ll guide you through various profiling tools that will help you identify performance issues in your program. We’ll end our journey by looking at GPGPU, Cloud and Functional Reactive Programming in Haskell. At the very end there is a catalogue of robust library recommendations with code samples. By the end of the book, you will be able to boost the performance of any app and prepare it to stand up to real-world punishment.
Table of Contents (16 chapters)
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15
Index

Summary


In this chapter we have imported C functions as Haskell functions, exported Haskell functions as C functions, passed pointers (both foreign and stable) and data through the FFI, built a shared library with Haskell, and used hsc2hsto to write a Storable instance for a custom datatype. You have learned to invoke the FFI from both the C and the Haskell side and to manage memory in both the Haskell heap and the lower-level memory area also used by C.

The next chapter will be about another implementation-level concept like the FFI: GPU-programming using Haskell. Graphics processors are much better suited for highly parallel number-crunching applications, which is the reason for the GPU's popularity in high-performance numeric computing. An excellent Haskell library, Accelerate, defines a language that greatly simplifies usually mundane and hard GPU programming. In addition, Accelerate is backend-agnostic: the same code could run on any hardware solution (CPU/LLVM, CUDA, OpenCL, and others...

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