Operating Systems Theory
The logical structure of the memory resource in the SYMBOL-2R computer
HLLCA '73 Proceedings of the ACM-IEEE symposium on High-level-language computer architecture
High-level language translation in SYMBOL 2R
HLLCA '73 Proceedings of the ACM-IEEE symposium on High-level-language computer architecture
Program execution in the SYMBOL 2R computer
HLLCA '73 Proceedings of the ACM-IEEE symposium on High-level-language computer architecture
Introduction to the SYMBOL 2R programming language
HLLCA '73 Proceedings of the ACM-IEEE symposium on High-level-language computer architecture
Implementation aspects of the symbol hardware compiler
ISCA '73 Proceedings of the 1st annual symposium on Computer architecture
Applications of fuzzy languages and pictorial databases to decision support systems design
AFIPS '83 Proceedings of the May 16-19, 1983, national computer conference
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This paper describes the chief attributes of the Virtual Processor placed at the disposal of each user of the SYMBOL-2R time-shared multiprocessor system, and the mechanisms by which SYMBOL's hardwired operating system manages processing-mode transitions for individual Virtual Processors and allocates hardware resources -- processors and memory space -- among competing Virtual Processors. It describes the provisions by which the unusually high-level capabilities of the hardware are augmented by software, and contrasts the structure of the software component of the operating system with that of the hardware component. Finally, it describes the hardware/software partition of resource-allocation functions, in which allocation policies are controlled by software and executed by hardware.