| Roy Campbell, Vincent Russo, and Gary Johnston. A class hierarchical, object-oriented approach to virtual memory management in multiprocessor operating systems. Technical Report UIUCDCS--R--88--1459, Department of Computer Science, University of Illinois at Urbana-Champaign, 1988. Submitted to ECOOP '89. |
....architecture 1 . The former system has software components that are structured by class and subclass. The latter system provides an environment that supports the dynamic definition of class hierarchies and inheritance for system programs and applications. The Choices operating system [4, 5, 6, 28], built at the University of Illinois, is an objectoriented software system and provides an environment with an object oriented architecture for system and application programs. The construction of Choices has taken about two years and involved many revisions of the code. During this development, ....
....the empirical evidence gathered by building an object oriented operating system for the Encore Multimax multiprocessor system. For brevity, we describe only those features of the operating system that reflect the principles we propose. Further details of the Choices operating system have appeared [4, 5, 6, 7, 16, 20, 28] and will appear elsewhere. The source code is available for study under a free license from the University of Illinois. 2 Previous Work In this section we review the motivations for building new operating systems, the problems of building an operating system, and the benefits of using an ....
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Roy Campbell, Vincent Russo, and Gary Johnston. A class hierarchical, object-oriented approach to virtual memory management in multiprocessor operating systems. Technical Report UIUCDCS--R--88--1459, Department of Computer Science, University of Illinois at Urbana-Champaign, 1988. Submitted to ECOOP '89.
....Efficiency (length 64 dotted) length 4096 dashed) Saturation 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0. 9 1 Figure 7: Single Head: Packet Sizes (ATM Cell, Page) these simulations, a fixed packet size of 4104 (8 header 4096 data) bytes has been chosen to match Virtual Memory service with 4K pages [2]. For comparison, some simulations have been run with a fixed packet size of 64 bytes (8 header 56 data) bytes corresponding to encapsulated ATM cells 29 Packet destinations are uniformly distributed, and simple FCFS queueing is used. 7.1 Single Head: Saturated Simulation of the single head ....
Roy Campbell, Vincent Russo, and Gary Johnston. A Class Hierarchical, Object-Oriented Approach to Virtual Memory Management in Multiprocessor Operating Systems. Technical Report UIUCDCS--R--88--1459, Department of Computer Science, University of Illinois at UrbanaChampaign, 1988.
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