Extended Split-Issue Mechanism in VLIW DSPs to Support SMT and Hardware-ISA Decoupling

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" Extended Split-Issue Mechanism in VLIW DSPs to Support SMT and Hardware-ISA Decoupling "

Document Type	:	Latin Dissertation
Language of Document	:	English
Record Number	:	151845
Doc. No	:	ET23637
Main Entry	:	Bharath Iyer
Title Proper	:	Extended Split-Issue Mechanism in VLIW DSPs to Support SMT and Hardware-ISA Decoupling
Note	:	This document is digital این مدرک بصورت الکترونیکی می باشد
Abstract	:	The use of VLIW architecture has become widespread in the DSP arena due tothe combined benets of simple hardware and instruction level parallelismextracted by the compiler. In an attempt to extract higher processingthroughput we investigate simultaneous multithreading (SMT) to exploitthread-level parallelism in a VLIW DSP. We propose an extended split-issuemechanism that allows us to break the instruction packet syntax of a VLIWcompiler without violating the dataow dependences. The capability to breakVLIW instruction packets gives us greater freedom in scheduling instructionsfrom dierent threads based on functional unit availability. We nd that theSMT VLIW DSP provides signicant processing throughput gains, which couldalso be traded-o for rich energy savings. The extended split-issue mechanism...........-....,....-...,..tested for theQ1 PC1 bus cardBoth these projects mere sofixare des elopment efforts tonards contributing to dlfferentaspects of Roboucs and lZ1echatronics projects m the Controls and Roboucs Group..
Subject	:	Electericl tess
	:	برق
electronic file name	:	TL46881.pdf
Title and statement of responsibility and	:	Extended Split-Issue Mechanism in VLIW DSPs to Support SMT and Hardware-ISA Decoupling [Thesis]