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:
Oct. 25, 2005
Filed:
Oct. 22, 2002
Applicants:
Trefor Southwell, Bristol, GB;
Peter Hedinger, Bristol, GB;
Inventors:
Trefor Southwell, Bristol, GB;
Peter Hedinger, Bristol, GB;
Assignee:
STMicroelectronics Limited, Bristol, GB;
Primary Examiner:
Int. Cl.
CPC ...
G06F012/00 ;
U.S. Cl.
CPC ...
Abstract
A cache memory comprises a fetch engine arranged to issue fetch requests for accessing data items from locations in a main memory identified by access addresses in a program being executed, a pre-fetch engine controlled to issue pre-fetch requests for speculatively accessing pre-fetch data items from locations in said main memory identified by addresses which are determined as being a number of locations from respective ones of said access addresses, and a calibrator arranged to selectively vary said number of locations.