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Instruction merging and specializing in the SICStus Prolog virtual machine
Number of Authors: 3
2001 (English)Conference paper (Refereed)
Abstract [en]

Wanting to improve execution speed and reduce code size of SICStus Prolog programs, we embarked on a project whose aim was to systematically investigate combination and specialisation of WAM instructions. Various variants of the SICStus Prolog virtual machine instruction set were designed, implemented, and their performance was evaluated against standard benchmarks and on big Prolog programs. In this paper, we describe our methodology in finding appropriate candidates for instruction merging and specialisation, discuss related trade-offs, present detailed statistics and performance measurements that we gathered, and report on our experiences from our involvement in this feat. In short, our experience is positive: the speedup of performing instruction merging and specialisation in the context of the SICStus emulator is approximately~10%, while the bytecode size reduction is about~15%.

Place, publisher, year, edition, pages
2001, 1.
National Category
Computer and Information Science
URN: urn:nbn:se:ri:diva-22611OAI: diva2:1042176
Proceedings PPDP'01, Principles and Practice of Declarative Programming
3rd ACM SIGPLAN international conference.Available from: 2016-10-31 Created: 2016-10-31

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