The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 02, 1998
Filed:
Jun. 14, 1995
Greggory D Donley, Sunnyvale, CA (US);
Manoj Gujral, Santa Clara, CA (US);
Unisys Corp, Blue Bell, PA (US);
Abstract
In a multiprocessor computer system where a number of 'agents' can compete for access to a 'resource', a method of ameliorating 'Livelock' and preventing any such agent from being unduly frustrated from such access, this method comprising: arranging the system to include an arbitrating unit and a common system bus connecting a number of processors, plus an Avoidance unit included in each processor and including a Random-Number generator and automatic 'Random Backoff' that causes an agent that fails to secure access to wait for one or more given random time periods T.sup.B before reattempting such access, with each said time period T.sup.B being provided by the random number generator so as to likely differentiate from competing agents.