Distributed Sensor Networks, 2nd Edition

31

Compiler-Directed Communication Energy Optimizations for Microsensor Networks

I. Kadayif

The Pennsylvania State University

M. Kandemir

The Pennsylvania State University

A. Choudhary

Northwestern University

M. Karakoy

Imperial College London

N. Vijaykrishnan

The Pennsylvania State University

M.J. Irwin

The Pennsylvania State University

31.1    Introduction and Motivation

31.2    High-Level Architecture

Language Support

31.3    Communication Optimizations

Data Decomposition and Parallelization • Naive Communication • Message Vectorization • Message Coalescing • Message Aggregation • Inter-Nest Optimization

31.4    Experimental Setup

Benchmark Codes • Modeling Energy Consumption

31.5    Results

Energy Breakdown • Sensitivity Analysis •