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:
Mar. 02, 2021

Filed:

Mar. 25, 2020
Applicant:

Arm Limited, Cambridge, GB;

Inventors:

Derek David Whiteman, Lund, SE;

Erik Persson, Lund, SE;

Tomas Fredrik Edsö, Lund, SE;

Assignee:

Arm Limited, Cambridge, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 7/40 (2006.01); H03M 7/30 (2006.01); G06N 3/02 (2006.01);
U.S. Cl.
CPC ...
H03M 7/4075 (2013.01); G06N 3/02 (2013.01); H03M 7/3071 (2013.01); H03M 7/6011 (2013.01); H03M 7/70 (2013.01);
Abstract

A method for compressing activation data of a neural network to be written to a storage is provided. The activation data is formed into a plurality of groups and a state indicator indicates whether there are any data elements within each group that have a non-zero value. A second state indicator indicates, for groups having a non-zero value, whether sub-groups within the group contain a data element having a non-zero value. A sub-group state indicator indicates, for each sub-group having a non-zero value, which data elements within that sub-group have a non-zero value. Non-zero values of data elements in the activation data are encoded and a compressed data set is formed comprising the first state indicators, any second state indicators, any sub-group state indicators and the encoded non-zero values.


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