Automatic Simd Vectorization of Ssa-Based Control Flow Graphs Ralf Karrenberg

ISBN: 9783658101121

Published: June 29th 2015

Paperback

187 pages


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Automatic Simd Vectorization of Ssa-Based Control Flow Graphs  by  Ralf Karrenberg

Automatic Simd Vectorization of Ssa-Based Control Flow Graphs by Ralf Karrenberg
June 29th 2015 | Paperback | PDF, EPUB, FB2, DjVu, AUDIO, mp3, RTF | 187 pages | ISBN: 9783658101121 | 10.76 Mb

Ralf Karrenberg presents Whole-Function Vectorization (WFV), an approach that allows a compiler to automatically create code that exploits data-parallelism using SIMD instructions. Data-parallel applications such as particle simulations, stock optionMoreRalf Karrenberg presents Whole-Function Vectorization (WFV), an approach that allows a compiler to automatically create code that exploits data-parallelism using SIMD instructions. Data-parallel applications such as particle simulations, stock option price estimation or video decoding require the same computations to be performed on huge amounts of data.

Without WFV, one processor core executes a single instance of a data-parallel function. WFV transforms the function to execute multiple instances at once using SIMD instructions. The author describes an advanced WFV algorithm that includes a variety of analyses and code generation techniques. He shows that this approach improves the performance of the generated code in a variety of use cases.



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