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:
Aug. 31, 2004
Filed:
Mar. 19, 2002
Applicant:
Inventor:
Robert M. Malek, White Bear Township, MN (US);
Assignee:
Unisys Corporation, Blue Bell, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/200 ;
U.S. Cl.
CPC ...
G06F 1/200 ;
Abstract
A method of and apparatus for improving the scheduling efficiency of a data processing system using the facilities which maintain coherency of the system's level cache memories. These efficiencies result from monitoring the cache memory lines which indicate invalidation of a cache memory entry because of a storage operation within backing memory. This invalidity signal is utilized to generate a doorbell type interface indication of a new application entry within the work queue.