Precedence Constraint Task Scheduling for Multicore Multikernel Architecture
Journal Title: IOSR Journals (IOSR Journal of Computer Engineering) - Year 2014, Vol 16, Issue 4
Abstract
Abstract: In real-time systems tasks interact with each others to achieve common system goals, which develops precedence relation among tasks. Each task contributes to the output of system in some manner so contribution of each task should be taken into account. On the other hand processing platform market is booming with multi-core processors and various techniques are coming upfront to utilize processing power of each core efficiently. This paper presents the scheduling algorithm for real-time task set which respects precedence relationship among tasks as well as takes contribution of each task into account while scheduling the task set. Moreover paper targets the multi-core processing platform which has multikernel OS. Multikernel OS differs from single kernel OS in terms of number of kernels, communication among the tasks etc. Proposed scheduling algorithm is analyzed by simulating real-time task set on identical quad core processor and results are compared with PCD scheduling algorithm.
Authors and Affiliations
Hitesh P. Daulani , Dr. Radhakrishna Naik , Pavan S. Wankhade
Keywords
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- EP ID EP99773
- DOI 10.9790/0661-16424353
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