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Permanent link (DOI): https://doi.org/10.7939/R3901ZJ37

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Efficient Sleep/Wake-up Protocols for User-Level IPC Open Access

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Author or creator
Unrau, Ronald
Krieger, Orran
Additional contributors
Subject/Keyword
Linux
sleep/wake-up protocols
cross-address space IPC
Type of item
Computing Science Technical Report
Computing science technical report ID
TR97-08
Language
English
Place
Time
Description
Technical report TR97-08. We present a new facility for cross-address space IPC that exploits queues in memory shared between the client and server address space. The facility employs only widely available operating system mechanisms, and is hence easily portable to different commercial operating systems. It incorporates blocking semantics to avoid wasting processor cycles, and still achieves almost twice the throughput of the native kernel-mediated IPC facilities on SGI and IBM uniprocessors. In addition, we demonstrate significantly higher performance gains on an SGI multiprocessor. We argue that co-operating tasks will be better served if the operating system is aware of the co-operation, and propose an interface for a hand-off scheduling mechanism. Finally, we report initial performance results from a Linux implementation of our proposal.
Date created
1997
DOI
doi:10.7939/R3901ZJ37
License information
Creative Commons Attribution 3.0 Unported
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