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.

Patent No.:

US 10114642 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 30, 2018

Filed:

Dec. 20, 2015
Applicant:

Intel Corporation, Santa Clara, CA (US);

Inventors:

Elmoustapha Ould-Ahmed-Vall, Chandler, AZ (US);

Nikita Astafev, Portland, OR (US);

Assignee:

Intel Corporation, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/30 (2018.01); G06F 7/485 (2006.01);
U.S. Cl.
CPC ...
G06F 9/30029 (2013.01); G06F 7/485 (2013.01); G06F 9/30014 (2013.01); G06F 9/3016 (2013.01); G06F 9/30021 (2013.01);
Abstract

A processor includes a front end to decode an instruction and an allocator to assign the instruction to an execution unit to execute the instruction to compute a floating point result subject to a cancellation effect. The execution unit includes a threshold to control notification the cancellation effect, a logic to compute the maximum exponent from a source value, a logic to compute the floating point exponent, a logic to compute the detected cancellation value, and a logic to compare the detected cancellation value to the threshold.


Find Patent Forward Citations

Ould-Ahmed-Vall, Elmoustapha. (2018). Instruction and logic for detecting the floating point cancellation effect (U.S. Patent No. 10114642). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10114642

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