Bulk core in a 360/67 time-sharing system

  • Authors:
  • Hugh C. Lauer

  • Affiliations:
  • Carnegie-Mellon University, Pittsburgh, Pennsylvania

  • Venue:
  • AFIPS '67 (Fall) Proceedings of the November 14-16, 1967, fall joint computer conference
  • Year:
  • 1967

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Abstract

In the fall of 1965, Carnegie Institute of Technology decided to install Large Capacity Core Storage (LCS) as the auxiliary storage device on its IBM 360/67 Time-Sharing computer system. The bulk core will be used as a swapping device, replacing the drums of conventional configurations, and as an extension of main core memory. The decision was motivated by an analysis which yielded the following results: • The effective rate at which the system can deliver pages to user tasks is increased to its theoretical limit with LCS, representing a significant improvement over drum performance. • The potential response time to users is decreased because LCS has no rotational delay. • Less main core is needed for effective system operation.