Cap: Communication-Aware Allocation Algorithm For Real-Time Parallel Applications On Many-Cores

2015 Euromicro Conference on Digital System Design(2015)

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摘要
Critical Real-Time Embedded Systems (CRTES) require additional computing power to match the performance requirements of increasingly complex critical functions. Many-core processors are a key solution to reach the required performance. They allow simultaneous execution of multiple critical functions comprising a number of (parallel) applications.These applications, each implementing some functionality of the system, need to communicate among them in order to make the system work. In many-cores the impact of this communication on the timing behavior of applications depends on the allocation of applications across the chip. In this paper we propose CAP: an allocation algorithm that takes into account communication among applications and tries to reduce its impact on Worst Case Execution Time estimates of applications. We show that using CAP increases the number of applications that can be scheduled on the many-core platform thus facilitating system integration.
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关键词
real-time embedded systems,many-core processors,scheduling,compositional timing analysis
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