Abstract
An operating system has become essential to simplify the design of software for embedded systems, and this in turn requires accurate analyses of OS performance to help with more power-aware and efficient computing. For this purpose, we attempt to evaluate the major Linux subsystems: process management, memory management, inter-process communication (IPC), and networking, while changing the organization of the core components of the CPU such as cache size, clock frequency, memory management unit (MMU), and floating-point unit (FPU). We run a set of benchmark applications which separately assess the OS services provided by each subsystem. The experimental results are then analyzed as regards the CPU design parameters. As a consequence, we observe that changes in the design parameters exert a varying degree of influence over the system performance depending on OS services: In the best case, performance improvement reaches 100% while ranging from 34% to 36% on average.
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Park, S., Lee, Y., Shin, H. (2004). Experimental Performance Evaluation of Embedded Linux Using Alternative CPU Core Organizations. In: Yang, L.T., Guo, M., Gao, G.R., Jha, N.K. (eds) Embedded and Ubiquitous Computing. EUC 2004. Lecture Notes in Computer Science, vol 3207. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-30121-9_12
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DOI: https://doi.org/10.1007/978-3-540-30121-9_12
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