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:
Nov. 29, 2016

Filed:

Jul. 31, 2013
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Andrew M. Havlir, Austin, TX (US);

James S. Blomgren, Austin, TX (US);

Terence M. Potter, Austin, TX (US);

Assignee:

Apple Inc., Cupertino, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 1/20 (2006.01); G06T 1/60 (2006.01); G06F 9/30 (2006.01); G06F 9/38 (2006.01);
U.S. Cl.
CPC ...
G06T 1/20 (2013.01); G06F 9/3012 (2013.01); G06F 9/30138 (2013.01); G06F 9/3826 (2013.01); G06F 9/3851 (2013.01); G06F 9/3867 (2013.01); G06F 9/3873 (2013.01); G06T 1/60 (2013.01);
Abstract

Techniques are disclosed relating to a multithreaded execution pipeline. In some embodiments, an apparatus is configured to assign a number of threads to an execution pipeline that is an integer multiple of a minimum number of cycles that an execution unit is configured to use to generate an execution result from a given set of input operands. In one embodiment, the apparatus is configured to require strict ordering of the threads. In one embodiment, the apparatus is configured so that the same thread access (e.g., reads and writes) a register file in a given cycle. In one embodiment, the apparatus is configured so that the same thread does not write back an operand and a result to an operand cache in a given cycle.


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