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.

Date of Patent:
Mar. 17, 2020

Filed:

Jul. 14, 2017
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Simon H. Friedmann, Boeblingen, DE;

Girish G. Kurup, Bangalore, IN;

Markus Kaltenbach, Holzgerlingen, DE;

Ulrich Mayer, Schoenbuch, DE;

Martin Recktenwald, Schoenaich, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/0855 (2016.01); G06F 12/0831 (2016.01); G06F 12/0817 (2016.01); G06F 12/084 (2016.01); G06F 12/0888 (2016.01); G06F 12/0897 (2016.01); G06F 12/0811 (2016.01); G06F 12/0842 (2016.01); G06F 12/1027 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0857 (2013.01); G06F 12/084 (2013.01); G06F 12/0817 (2013.01); G06F 12/0831 (2013.01); G06F 12/0888 (2013.01); G06F 12/0897 (2013.01); G06F 12/0811 (2013.01); G06F 12/0842 (2013.01); G06F 12/1027 (2013.01); G06F 2212/1016 (2013.01); G06F 2212/60 (2013.01); G06F 2212/62 (2013.01); G06F 2212/621 (2013.01); G06F 2212/655 (2013.01);
Abstract

Improving access to a cache by a processing unit. One or more previous requests to access data from a cache are stored. A current request to access data from the cache is retrieved. A determination is made whether the current request is seeking the same data from the cache as at least one of the one or more previous requests. A further determination is made whether the at least one of the one or more previous requests seeking the same data was successful in arbitrating access to a processing unit when seeking access. A next cache write access is suppressed if the at least one of previous requests seeking the same data was successful in arbitrating access to the processing unit.


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