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Title:Modulo Scheduling for Control-Intensive General-Purpose Programs
Author(s):Lavery, Daniel Michael
Doctoral Committee Chair(s):Hwu, Wen-Mei W.
Department / Program:Electrical Engineering
Discipline:Electrical Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:Ph.D.
Genre:Dissertation
Subject(s):Engineering, Electronics and Electrical
Abstract:This dissertation also demonstrates that unrolling-based optimization prior to scheduling improves the performance of modulo scheduled loops and is, in fact, necessary to allow modulo scheduling to surpass the performance of acyclic scheduling for control-intensive general-purpose programs. Modulo scheduling has the following advantages over the acyclic scheduling approach for control-intensive general-purpose programs. First, modulo scheduling increases performance by maintaining the overlap of loop iterations throughout the execution of the loop. Second, modulo scheduling reduces register pressure by initiating iterations at a consistent rate that is sustainable for the given resources and dependence structure. Third, with the appropriate architectural support, modulo scheduling results in less code expansion because unrolling is required only for optimization, but not to amortize the loss of overlap across the back edge.
Issue Date:1997
Type:Text
Language:English
Description:115 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1997.
URI:http://hdl.handle.net/2142/81190
Other Identifier(s):(MiAaPQ)AAI9737173
Date Available in IDEALS:2015-09-25
Date Deposited:1997


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