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:
Aug. 08, 2017

Filed:

Feb. 15, 2013
Applicant:

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

Inventors:

Robert H. Bell, Jr., Austin, TX (US);

Men-Chow Chiang, Austin, TX (US);

Hong L. Hua, Austin, TX (US);

Mysore S. Srinivas, Austin, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/08 (2016.01); G06F 12/084 (2016.01); G06F 12/0855 (2016.01); G06F 12/0886 (2016.01); G06F 12/0897 (2016.01);
U.S. Cl.
CPC ...
G06F 12/084 (2013.01); G06F 12/0855 (2013.01); G06F 12/0886 (2013.01); G06F 12/0897 (2013.01);
Abstract

According to one aspect of the present disclosure, a method and technique for performance-driven cache line memory access is disclosed. The method includes: receiving, by a memory controller of a data processing system, a request for a cache line; dividing the request into a plurality of cache subline requests, wherein at least one of the cache subline requests comprises a high priority data request and at least one of the cache subline requests comprises a low priority data request; servicing the high priority data request; and delaying servicing of the low priority data request until a low priority condition has been satisfied.


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