Computer Systems (TOCS)


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ACM Transactions on Computer Systems (TOCS) - Special issue on computer architecture, Volume 12 Issue 4, Nov. 1994

Sharing and protection in a single-address-space operating system
Henry M. Levy, Edward D. Lazowska, Michael J. Feeley, Jeffrey S. Chase
Pages: 271-307
DOI: 10.1145/195792.195795
This article explores memory sharing and protection support in Opal, a single-address-space operating system designed for wide-address (64-bit) architectures. Opal threads execute within protection domains in a single shared virtual address...

A new approach to I/O performance evaluation: self-scaling I/O benchmarks, predicted I/O performance
David A. Patterson, Peter M. Chen
Pages: 308-339
DOI: 10.1145/195792.195812
Current I/O benchmarks suffer from several chronic problems: they quickly become obsolete; they do not stress the I/O system; and they do not help much in understanding I/O system performance. We propose a new approach to I/O performance...

A security architecture for fault-tolerant systems
Kenneth P. Birman, Robbert van Renesse, Michael K. Reiter
Pages: 340-371
DOI: 10.1145/195792.195823
Process groups are a common abstraction for fault-tolerant computing in distributed systems. We present a security architecture that extends the process group into a security abstraction. Integral parts of this architecture are services that...