PL371971A1 - Sposób i układ do kompresji danych - Google Patents

Sposób i układ do kompresji danych

Info

Publication number
PL371971A1
PL371971A1 PL03371971A PL37197103A PL371971A1 PL 371971 A1 PL371971 A1 PL 371971A1 PL 03371971 A PL03371971 A PL 03371971A PL 37197103 A PL37197103 A PL 37197103A PL 371971 A1 PL371971 A1 PL 371971A1
Authority
PL
Poland
Prior art keywords
bytes
buffer
history buffer
sequence
data string
Prior art date
Application number
PL03371971A
Other languages
English (en)
Inventor
Gordon Cockburn
Adrian John Hawes
Original Assignee
International Business Machines Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corporation filed Critical International Business Machines Corporation
Publication of PL371971A1 publication Critical patent/PL371971A1/pl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3084—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method
    • H03M7/3086—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method employing a sliding window, e.g. LZ77

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL03371971A 2002-05-09 2003-01-30 Sposób i układ do kompresji danych PL371971A1 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0210604.5A GB0210604D0 (en) 2002-05-09 2002-05-09 Method and arrangement for data compression

Publications (1)

Publication Number Publication Date
PL371971A1 true PL371971A1 (pl) 2005-07-11

Family

ID=9936342

Family Applications (1)

Application Number Title Priority Date Filing Date
PL03371971A PL371971A1 (pl) 2002-05-09 2003-01-30 Sposób i układ do kompresji danych

Country Status (12)

Country Link
US (1) US7233265B2 (pl)
EP (1) EP1506619B1 (pl)
JP (1) JP3989933B2 (pl)
KR (1) KR100702428B1 (pl)
CN (1) CN1309174C (pl)
AT (1) ATE518308T1 (pl)
AU (1) AU2003205839A1 (pl)
CA (1) CA2485566C (pl)
GB (1) GB0210604D0 (pl)
IL (1) IL164722A0 (pl)
PL (1) PL371971A1 (pl)
WO (1) WO2003096543A1 (pl)

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GB0102572D0 (en) * 2001-02-01 2001-03-21 Btg Int Ltd Apparatus to provide fast data compression
GB0315152D0 (en) 2003-06-28 2003-08-06 Ibm Data parsing and tokenizing apparatus,method and program
CA2609863C (en) 2005-06-03 2014-02-18 The Commonwealth Of Australia Messaging method
US7180433B1 (en) * 2005-09-22 2007-02-20 Tandberg Storage Asa Fast data compression and decompression system and method
EP2541431A1 (en) 2005-10-07 2013-01-02 Altera Corporation Data input for systolic array processors
CN100385437C (zh) * 2005-11-10 2008-04-30 浙江中控技术股份有限公司 实时数据压缩方法
US8085171B2 (en) * 2006-03-24 2011-12-27 University Of Mississippi High-speed data compression based on set associative cache mapping techniques
CN101449462A (zh) * 2006-03-24 2009-06-03 密西西比大学 基于集合关联高速缓存映射技术的高速数据压缩
WO2009105332A1 (en) * 2008-02-18 2009-08-27 Sandbridge Technologies, Inc. Method to accelerate null-terminated string operations
US8667046B2 (en) * 2008-02-21 2014-03-04 Ecole Polytechnique Federale De Lausanne/Service Des Relations Industrielles Generalized programmable counter arrays
US8013762B2 (en) * 2009-11-03 2011-09-06 Seagate Technology Llc Evaluating alternative encoding solutions during data compression
US8248279B2 (en) * 2010-10-26 2012-08-21 Hewlett-Packard Development Company, L.P. History buffer apparatus and method for adaptive lossless data compression
US8824569B2 (en) 2011-12-07 2014-09-02 International Business Machines Corporation High bandwidth decompression of variable length encoded data streams
US8918408B2 (en) * 2012-08-24 2014-12-23 Microsoft Corporation Candidate generation for predictive input using input history
US8766827B1 (en) * 2013-03-15 2014-07-01 Intel Corporation Parallel apparatus for high-speed, highly compressed LZ77 tokenization and Huffman encoding for deflate compression
CN104113344B (zh) * 2013-04-16 2017-04-12 晨星半导体股份有限公司 解压缩电路与相关的压缩方法与解压缩方法
US9374106B2 (en) 2013-08-28 2016-06-21 International Business Machines Corporation Efficient context save/restore during hardware decompression of DEFLATE encoded data
US8933824B1 (en) 2013-08-28 2015-01-13 International Business Machines Corporation Hardware decompression of deflate encoded data with multiple blocks
US9800640B2 (en) 2013-10-02 2017-10-24 International Business Machines Corporation Differential encoder with look-ahead synchronization
US9634689B2 (en) * 2014-08-20 2017-04-25 Sunedison Semiconductor Limited (Uen201334164H) Method and system for arranging numeric data for compression
US9524169B2 (en) * 2014-09-24 2016-12-20 Intel Corporation Technologies for efficient LZ77-based data decompression
US9537504B1 (en) * 2015-09-25 2017-01-03 Intel Corporation Heterogeneous compression architecture for optimized compression ratio
US9450606B1 (en) 2015-10-01 2016-09-20 Seagate Technology Llc Data matching for hardware data compression
CN105610447B (zh) * 2015-10-29 2018-06-19 吴均 基于lz77算法的分区编码压缩方法
US9864549B2 (en) 2016-02-29 2018-01-09 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for high throughput multi-input compression
CN108809320B (zh) * 2017-04-28 2021-05-18 华为技术有限公司 一种基于lz77的数据压缩方法、设备及终端
US10678506B2 (en) * 2017-08-01 2020-06-09 Arm Limited Matching consecutive values in a data processing apparatus
US11042375B2 (en) 2017-08-01 2021-06-22 Arm Limited Counting elements in data items in a data processing apparatus
JP7562440B2 (ja) 2021-02-09 2024-10-07 キオクシア株式会社 文字列検索装置及びメモリシステム
CN114956290B (zh) * 2022-07-27 2022-11-01 江苏赛沐思环保科技有限公司 一种基于lz77编码的工业废水的智能处理方法
US12197419B2 (en) * 2022-09-14 2025-01-14 Sap Se Consistency checks for compressed data

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US4965569A (en) * 1987-06-30 1990-10-23 Motorola, Inc. Digitized stored voice paging receiver
JPH0813635B2 (ja) * 1987-12-03 1996-02-14 安全自動車株式会社 車両の制動性能測定方法
US5146221A (en) * 1989-01-13 1992-09-08 Stac, Inc. Data compression apparatus and method
US5179378A (en) * 1991-07-30 1993-01-12 University Of South Florida Method and apparatus for the compression and decompression of data using Lempel-Ziv based techniques
JP2819906B2 (ja) * 1991-12-27 1998-11-05 住友金属工業株式会社 室温および高温強度に優れた工具用Ｎｉ基合金
CN1099766C (zh) * 1994-06-16 2003-01-22 精工爱普生株式会社 数据压缩方法、数据复原方法及信息处理装置
US5608396A (en) * 1995-02-28 1997-03-04 International Business Machines Corporation Efficient Ziv-Lempel LZI data compression system using variable code fields
US5771010A (en) * 1995-03-22 1998-06-23 Ibm Corporation Apparatus for compressing data using a Lempel-Ziv-type algorithm
US5805086A (en) * 1995-10-10 1998-09-08 International Business Machines Corporation Method and system for compressing data that facilitates high-speed data decompression
US5771011A (en) * 1996-07-15 1998-06-23 International Business Machines Corporation Match detect logic for multi-byte per cycle hardware data compression
JP3540109B2 (ja) * 1996-12-24 2004-07-07 富士通株式会社 データ圧縮方法及び装置
US5874908A (en) * 1997-09-19 1999-02-23 International Business Machines Corporation Method and apparatus for encoding Lempel-Ziv 1 variants
US6885319B2 (en) * 1999-01-29 2005-04-26 Quickshift, Inc. System and method for generating optimally compressed data from a plurality of data compression/decompression engines implementing different data compression algorithms
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US6657565B2 (en) * 2002-03-21 2003-12-02 International Business Machines Corporation Method and system for improving lossless compression efficiency
GB0210602D0 (en) 2002-05-09 2002-06-19 Ibm Circuit and method for use in data compression
GB0213687D0 (en) * 2002-06-14 2002-07-24 Ibm Multi-byte lempel-ziv 1 (LZ1) decompression

Also Published As

Publication number Publication date
WO2003096543A1 (en) 2003-11-20
KR100702428B1 (ko) 2007-04-04
US7233265B2 (en) 2007-06-19
US20050179569A1 (en) 2005-08-18
CA2485566A1 (en) 2003-11-20
ATE518308T1 (de) 2011-08-15
IL164722A0 (en) 2005-12-18
CN1552127A (zh) 2004-12-01
AU2003205839A1 (en) 2003-11-11
KR20040104675A (ko) 2004-12-10
EP1506619B1 (en) 2011-07-27
GB0210604D0 (en) 2002-06-19
JP2005525039A (ja) 2005-08-18
EP1506619A1 (en) 2005-02-16
JP3989933B2 (ja) 2007-10-10
CN1309174C (zh) 2007-04-04
CA2485566C (en) 2008-05-13

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Legal Events

Date Code Title Description
DISC Decisions on discontinuance of the proceedings (taken after the publication of the particulars of the applications)