NDLI: Automatic generation of streaming datapaths for arbitrary fixed permutations

Content Provider	IEEE Xplore Digital Library
Author	Milder, P.A. Hoe, J.C. Puschel, M.
Copyright Year	2009
Description	Author affiliation: Carnegie Mellon University, Electrical and Computer Engineering Department, Pittsburgh, PA, U.S.A. (Milder, P.A.; Hoe, J.C.; Puschel, M.)
Abstract	This paper presents a technique to perform arbitrary fixed permutations on streaming data. We describe a parameterized architecture that takes as input n data points streamed at a rate of w per cycle, performs a permutation over all n points, and outputs the result in the same streaming format. We describe the system and its requirements mathematically and use this mathematical description to show that the datapaths resulting from our technique can sustain a full throughput of w words per cycle without stalling. Additionally, we provide an algorithm to configure the datapath for a given permutation and streaming width. Using this technique, we have constructed a full synthesis system that takes as input a permutation and a streaming width and outputs a register-transfer level Verilog description of the datapath. We present an evaluation of our generated designs over varying problem sizes and streaming widths, synthesized for a Xilinx Virtex-5 FPGA.
Starting Page	1118
Ending Page	1123
File Size	200683
Page Count	6
File Format	PDF
ISBN	9781424437818
ISSN	15301591
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-04-20
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	European Design Automation Association (EDAA)
Subject Keyword	Throughput Random access memory Data engineering Computer architecture Hardware design languages Field programmable gate arrays Wires Information retrieval Design methodology
Content Type	Text
Resource Type	Article

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