Patent · US Expired

Arbitration circuit capable of changing the priority and arrival time of nonselected requests

US5617545A · kind A · utility

17Cited by
5References
8Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJun 9, 1993
Grant dateApr 1, 1997
Priority date
Expiry dateJun 9, 2013

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F13/36
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A parallel computer network wherein an arbitration circuit for performing arbitrating operation over a plurality of processing requests at the same time at high speed is provided in a crossbar network control circuit to thereby prevent the processing requests not selected from being kept awaited for a long time. The arbitration circuit includes a priority bit change circuit which has a plurality of adders for adding a preset value to the priority information of the each awaited processing request and also has a plurality of comparators for detecting the requests being awaited.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.