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:
Feb. 04, 2020

Filed:

Jan. 22, 2018
Applicant:

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

Inventors:

Glenn O. Kincaid, Austin, TX (US);

David S. Levitan, Austin, TX (US);

Albert J. Van Norstrand, Jr., Round Rock, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/38 (2018.01); G06F 9/30 (2018.01);
U.S. Cl.
CPC ...
G06F 9/3855 (2013.01); G06F 9/3016 (2013.01);
Abstract

Variable latency flush filtering including receiving a first flush instruction tag (ITAG) and a second flush ITAG, wherein the first flush ITAG and the second flush ITAG are instructions to invalidate internal operation results after an internal operation identified by the first flush ITAG and the second flush ITAG; determining that the second flush ITAG is before the first flush ITAG by comparing the first flush ITAG and the second flush ITAG; determining that the first flush ITAG requires adjustment; and delaying the flush to a subsequent cycle in response to determining that the second flush ITAG is before the first flush ITAG and determining that the first flush ITAG requires adjustment.


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