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. 27, 2024

Filed:

Jun. 06, 2022
Applicant:

Google Llc, Mountain View, CA (US);

Inventors:

Weiwei Jiang, Santa Clara, CA (US);

Srinivas Vaduvatha, San Jose, CA (US);

Prashant R. Chandra, San Jose, CA (US);

Jiazhen Zheng, Santa Clara, CA (US);

Hugh McEvoy Walsh, Los Gatos, CA (US);

Weihuang Wang, Los Gatos, CA (US);

Abhishek Agarwal, Santa Clara, CA (US);

Assignee:

Google LLC, Mountain View, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 16/901 (2019.01); G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 16/9014 (2019.01); G06F 3/0613 (2013.01); G06F 3/0659 (2013.01); G06F 3/0673 (2013.01); G06F 16/9017 (2019.01);
Abstract

A hash table system, including a plurality of hash tables, associated with respective hash functions, for storing key-value pairs; an overflow memory for storing key-value pairs moved from the hash tables due to collision; and an arbiter for arbitrating among commands including update commands, match commands, and rehash commands, wherein for each system clock cycle, the arbiter selects as a selected command one of an update command, a match command, or a rehash command, and wherein the hash table system completes execution of each selected command within a bounded number of system clock cycles.


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