A rate regulating scheme for scheduling multimedia tasks

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This paper presents a proportional-share CPU scheduler which can support multimedia applications in a general-purpose workstation environment, For this purpose, we have extended the stride scheduler which is designed originally for conventional tasks. New scheduling parameters are introduced to specify timing requirements of multimedia applications. Through the use of the rate regulator, the accuracy error of the scheduling is reduced to O(1). Separate task groups are proposed to represent both relative shares and absolute shares. The proposed scheduler is evaluated using a simulation study. The results show that the proposed scheduler achieves improved accuracy and adaptability as well as flexibility.
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Issue Date
1997-12
Language
English
Article Type
Article
Citation

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, v.E80D, no.12, pp.1166 - 1175

ISSN
0916-8532
URI
http://hdl.handle.net/10203/69433
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