NDLI: Buffer allocation in regular dataflow networks: an approach based on coloring circular-arc graphs

Content Provider	IEEE Xplore Digital Library
Author	Govindarajan, R. Rengarajan, S.
Copyright Year	1996
Description	Author affiliation: Dept. of Comput. Sci. & Autom., Indian Inst. of Sci., Bangalore, India (Govindarajan, R.)
Abstract	In this paper we discuss a method to perform compile-time buffer allocation, allowing efficient buffer sharing among the arcs of a special form of dataflow graphs-known as regular stream flow graphs-commonly used in Digital Signal Processing applications. We relate the buffer sharing problem to that of finding independent sets in weighted circular arc graph. An important difference between the traditional graph coloring/register allocation problem and our buffer sharing problem is that in our problem the aim is to minimize the sum of the weights of the independent sets, rather than the number of independent sets. We present a heuristic algorithm and experiment it on a large number of randomly generated regular dataflow graphs as well as a few DSP applications. It is observed that the heuristic algorithm performs well, reducing the buffer requirement by 14.3% on the average. Also, we observe that buffer requirement achieved by the heuristic algorithm is within 2.1% from the lower bound.
Starting Page	419
Ending Page	424
File Size	580873
Page Count	6
File Format	PDF
ISBN	0818675578
DOI	10.1109/HIPC.1996.565857
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-12-19
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Intelligent networks Digital signal processing Heuristic algorithms Signal processing algorithms Flow graphs Registers Supercomputers Computer science education Computer science Automation
Content Type	Text
Resource Type	Article

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