NDLI: Small virtual machines: A survey

Content Provider	ACM Digital Library
Author	Dickman, Lloyd I.
Abstract	It has been demonstrated that virtual machines can be successfully implemented on large computer systems. They can also be implemented on small computer systems (“mini-computers”). The paper will show this, and at the same time discuss the various architectural features by which virtual machine implementation is achieved. Examining features which make machines “small”, we find architectural limitations. These machines are usually byte or word addressable where the virtual address space bound is the word size. They usually rely on indexing and indirect addressing. Most instructions are one word long. The instruction repetoire is not particularly rich. There is a simple I/O structure with facilities for hardware interrupts and direct memory access (block I/O transfers). In summary, small virtual machines are effective for software development of systems having one or more of the following characteristics: • shared facilities • no common operating system • user I/O programming •communications control •process control •fictitious I/O devices.
Starting Page	191
Ending Page	202
Page Count	12
File Format	PDF
DOI	10.1145/800122.803958
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1973-03-26
Publisher Place	New York
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Small virtual machines: A survey