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:
May. 07, 2019

Filed:

Feb. 05, 2015
Applicant:

Barcelona Supercomputing Center—centro Nacional DE Supercomputación, Barcelona, ES;

Inventors:

Timothy Hayes, Barcelona, ES;

Oscar Palomar Pérez, Barcelona, ES;

Osman Unsal, Barcelona, ES;

Adrian Cristal Kestelman, Barcelona, ES;

Mateo Valero Cortés, Barcelona, ES;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/30 (2018.01); G06F 7/24 (2006.01);
U.S. Cl.
CPC ...
G06F 9/30021 (2013.01); G06F 7/24 (2013.01); G06F 9/30032 (2013.01); G06F 9/30036 (2013.01);
Abstract

Methods and devices for discovering multiple instances of recurring values within a vector are disclosed. A first method calculates the prior instances of the vector. A second method calculates the last unique instances of the vector. An implementation of these methods as SIMD instructions is proposed. Sequential and parallel CAM implementations are also disclosed. The proposed methods can be used to correct conflicting indexes in vector memory indexed operations. Furthermore, an application to a vectorized sorting algorithm is proposed.


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