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Operating Systems: Concurrent and Distributed Software Design
book

Operating Systems: Concurrent and Distributed Software Design

by Jean Bacon, Tim Harris
March 2003
Intermediate to advanced content levelIntermediate to advanced
912 pages
27h 17m
English
Pearson Business
Content preview from Operating Systems: Concurrent and Distributed Software Design

25.6. Multiprocessor scheduling

There are two major considerations which affect CPU scheduling when moving from a uniprocessor environment to one with multiple CPUs:

  • how the presence of multiple CPUs should influence the scheduling algorithm;

  • how to expose the availability of genuine parallelism to application programmers.

Section 11.8 introduced the pthread API for creating and synchronizing multiple threads operating within a single virtual address space. This now enjoys near-universal deployment across UNIX systems as the primary mechanism for writing multi-threaded applications. Early implementations were provided entirely as library code, operating in user space without explicit support from the kernel. Such a design leads most naturally ...

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Publisher Resources

ISBN: 0321117891Purchase book