Latency lags bandwith

Author:

Patterson David A.1

Affiliation:

1. University of California at Berkeley

Abstract

As I review performance trends, I am struck by a consistent theme across many technologies: bandwidth improves much more quickly than latency. Here, I list a half-dozen performance milestones to document this observation, many reasons why it happens, a few ways to cope with it, a rule of thumb to quantify it, plus an example of how to design systems differently based on this observation.

Publisher

Association for Computing Machinery (ACM)

Subject

General Computer Science

Reference6 articles.

1. Gries M. A survey of synchronous RAM architectures. Computer Engineering and Networks Laboratory (TIK). Zurich Germany (Apr. 1999). Gries M. A survey of synchronous RAM architectures. Computer Engineering and Networks Laboratory (TIK). Zurich Germany (Apr. 1999).

2. Technological impact of magnetic hard disk drives on storage systems

3. IC Knowledge. History of the Integrated Circuit; www.icknowledge.com/history/history.html (2003) IC Knowledge. History of the Integrated Circuit; www.icknowledge.com/history/history.html (2003)

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