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:
Apr. 12, 2022

Filed:

Aug. 01, 2019
Applicant:

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

Inventors:

Mohit Karve, Austin, TX (US);

Vivek Britto, Austin, TX (US);

George W. Rohrbaugh, III, Charlotte, VT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/0862 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0862 (2013.01); G06F 2212/602 (2013.01);
Abstract

Disclosed is a computer implemented method and system to dynamically adjust prefetch depth, the method comprising, identifying a first prefetch stream, wherein the first prefetch stream is identified in a prefetch request queue (PRQ), and wherein the first prefetch stream includes a first prefetch depth. The method also comprises determining a number of inflight prefetches, and comparing, a number of prefetch machines against the number of inflight prefetches, wherein each of the prefetch machines is configured to monitor one prefetch request. The method further includes adjusting, in response to the comparing, the first prefetch depth of the first prefetch stream.


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