Achieved IPC Performance (Still the Foundation for Efficiency)

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Abstract
Extensibility can be based on cross-address-space communication or on grafting application-specific modules into the operating system. For comparing both approaches, we need to explore the best achievalbe performance for both models. This paper reports the achieved performance of cross-address-space communication for the L4 microkernel on Intel Pentium, MIPS R4600 and DEC Alpha. The direct cost ranges from 81 cycles (Alpha) to 115 cycles (Pentium). Since only 2.5% of the L1 cache are required (Pentium) the average indirect costs are not expected to be much higher.
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Liedtke, Jochen
Elphinstone, Kevin
Schonberg, Sebastian
Hartig, Hermann
Heiser, Gernot
Islam, Nayeem
Jaeger, Trent
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Publication Year
1997
Resource Type
Conference Paper
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UNSW Faculty
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download Liedtke_ESHHIJ_97.pdf 211.85 KB Adobe Portable Document Format
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