NDLI: Achieving the best performance on superscalar processors

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Achieving the best performance on superscalar processors

Content Provider	ACM Digital Library
Author	Nemati, S. Naderi, M. Shahhoseini, H. S.
Abstract	In this paper the operation of a superscalar processor is studied. An analytical model is developed for computing the throughput and the speedup of the superscalar processors. The throughput is computed as a function of the reoccurrence period of the instructions in the program. It is shown that, when the number of the instructions is sufficiently large, the probability of referring to the different pipes and the number of pipes are more important than the length of the pipes.Also the results show that maximum throughput of a p-issues superscalar processor is equal to p instructions per cycle. This upper bound is reachable if and only if some conditions for reoccurrence period of the instructions in the program are fulfilled. At the end of the paper some remarks related to the structural designing and the number of pipes are offered.
Starting Page	6
Ending Page	11
Page Count	6
File Format	PDF
ISSN	01635964
DOI	10.1145/333554.333556
Journal	ACM SIGARCH Computer Architecture News (CARN)
Volume Number	27
Issue Number	4
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1981-04-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Analytic modeling Performance evaluation Speedup Superscalar Throughput
Content Type	Text
Resource Type	Article

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