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:
Jan. 05, 2021

Filed:

Mar. 26, 2019
Applicant:

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

Inventors:

Satish Kumar Sadasivam, Erode, IN;

Puneeth A. H. Bhat, Bangalore, IN;

Shruti Saxena, Kanpur, IN;

Sangram Alapati, Austin, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/38 (2018.01); G06F 12/0875 (2016.01); G06F 9/30 (2018.01);
U.S. Cl.
CPC ...
G06F 9/3806 (2013.01); G06F 9/30043 (2013.01); G06F 12/0875 (2013.01); G06F 9/3804 (2013.01); G06F 2212/452 (2013.01);
Abstract

Aspects of the present disclosure relate to control of speculative demand loads. In some embodiments, the method includes receiving instructions for a branch in a program, detecting the branch load is in the cache, monitoring a number of completed loads for the program, determining a cache pollution ratio of executed loads to completed loads, providing the cache pollution ratio to a branch prediction unit, and altering load instructions for the branch based on the cache pollution ratio.


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