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  1. Proceedings of the 2014 Workshop on Programming models for SIMD/Vector processing (WPMVP '14)
  2. SIMDizing pairwise sums: a summation algorithm balancing accuracy with throughput
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Boost.SIMD: generic programming for portable SIMDization
Writing scalable SIMD programs with ISPC
High level transforms for SIMD and low-level computer vision algorithms
A SIMD programming model for dart, javascript,and other dynamically typed scripting languages
Simple, portable and fast SIMD intrinsic programming: generic simd library
OpenCL framework for ARM processors with NEON support
Comparing the performance of different x86 SIMD instruction sets for a medical imaging application on modern multi- and manycore chips
Exploring the vectorization of python constructs using pythran and boost SIMD
Sierra: a SIMD extension for C++
Vector seeker: a tool for finding vector potential
SIMDizing pairwise sums: a summation algorithm balancing accuracy with throughput

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SIMDizing pairwise sums: a summation algorithm balancing accuracy with throughput

Content Provider ACM Digital Library
Author Dalton, Barnaby Blainey, Bob Wang, Amy
Abstract Implementing summation when accuracy and throughput need to be balanced is a challenging endevour. We present experimental results that provide a sense when to start worrying and the expense of the various solutions that exist. We also present a new algorithm based on pairwise summation that achieves 89% of the throughput of the fastest summation algorithms when the data is not resident in L1 cache while eclipsing the accuracy of signifigantly slower compensated sums like Kahan summation and Kahan-Babuska that are typically used when accuracy is important.
Starting Page 65
Ending Page 70
Page Count 6
File Format PDF
ISBN 9781450326537
DOI 10.1145/2568058.2568070
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2014-02-16
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Pairwise summation Fast algorithms Accurate summation
Content Type Text
Resource Type Article
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