Fast implementation of decoding function for variable length encoding

a variable length encoding and decoding function technology, applied in the direction of code conversion, electrical equipment, etc., can solve the problems of reducing the processing time of decoding, data is encoded, and no consideration is given to efficiently encoding data, so as to speed up the decoding of encoded data
US20080165038A1Active Publication Date: 2008-07-10SAP AG
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
SAP AG
Publication Date
2008-07-10

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Abstract

An embodiment of the present inventions is a method for encoding / decoding data of variable length format and is used to omit unnecessary pieces of data for the purpose of improving processing performance, reducing the size of data on communication paths and efficiently using limited physical memory. As examples of such variable length encoding, BER compression and UTF-8 encoding of UNICODE text, etc., are cited. While the amount of data can be reduced through encoding, before the data is actually used, it is necessary to restore (decode) it to the original data, which requires a great deal of processing time. One aspect of the present invention is improving decoding by reducing the processing time required to decode the encoded data.
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Description

TRADEMARKS

[0001] IBM® is a registered trademark of International Business Machines Corporation, Armonk, N.Y., U.S.A. Other names used herein may be registered trademarks, trademarks or product names of International Business Machines Corporation or other companies.BACKGROUND OF THE INVENTION

[0002] 1. Field of the Invention

[0003] This invention relates to a method for encoding / decoding data of a variable length format and in particular to using the method to omit unnecessary pieces of data for the purpose of improved processing performance, reducing the size of data on communication paths, and efficiently using limited physical memory.

[0004] 2. Description of Background

[0005] Before our invention encoding data is commonly utilized as a way in which to compress and reduce the physical size of the data while maintaining the data integrity. As such, a variety of encoding and decoding algorithms are available and many have been optimized for particular types and or kinds of data.

[0006] A probl...

Claims

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