A Rule-Based Approach for Improving Allocation of Filter Structures in HLS

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9th International Conference on VLSI Design: VLSI in Mobile Communication

Bangalore, INDIA

January 03-January 06

ISBN: 0-8186-7228-5

	ASCII Text	x
	Johnny OEberg, Jouni Isoaho, Peeter Ellervee, Axel Jantsch, Ahmed Hemani, "A Rule-Based Approach for Improving Allocation of Filter Structures in HLS," VLSI Design, International Conference on, pp. 133, 9th International Conference on VLSI Design: VLSI in Mobile Communication, 1996.

	BibTex	x
	@article{ 10.1109/ICVD.1996.489472, author = {Johnny OEberg and Jouni Isoaho and Peeter Ellervee and Axel Jantsch and Ahmed Hemani}, title = {A Rule-Based Approach for Improving Allocation of Filter Structures in HLS}, journal ={VLSI Design, International Conference on}, volume = {0}, year = {1996}, issn = {1063-9667}, pages = {133}, doi = {http://doi.ieeecomputersociety.org/10.1109/ICVD.1996.489472}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - VLSI Design, International Conference on TI - A Rule-Based Approach for Improving Allocation of Filter Structures in HLS SN - 1063-9667 SP EP A1 - Johnny OEberg, A1 - Jouni Isoaho, A1 - Peeter Ellervee, A1 - Axel Jantsch, A1 - Ahmed Hemani, PY - 1996 KW - High-Level Synthesis KW - CDFG KW - CDFG Transformations KW - Optimisations KW - Allocation KW - Filter structures KW - Rule-Based VL - 0 JA - VLSI Design, International Conference on ER -

DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ICVD.1996.489472

A rule based allocator for improving synthesis of filter systems is presented. The principles of the Enhanced Allocation Rule Language Interpreter (EARLI) are presented. Possible transformations, optimisations and how to express them in EARLI are discussed. Experiments show that relative area gains ranging from 5 to 44%, depending on the chosen target technology, can be achieved using the designers knowledge about the design class. Experiments also indicate that employing direct mapping of CDFG subgraphs onto preoptimised RTL-level macroblocks would have resulted in a relative area gain of 500%. The macroblock had only 16% of the area produced by the HLS-tool.

Index Terms:

High-Level Synthesis, CDFG, CDFG Transformations, Optimisations, Allocation, Filter structures, Rule-Based

Citation:

Johnny OEberg, Jouni Isoaho, Peeter Ellervee, Axel Jantsch, Ahmed Hemani, "A Rule-Based Approach for Improving Allocation of Filter Structures in HLS," vlsid, pp.133, 9th International Conference on VLSI Design: VLSI in Mobile Communication, 1996

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