Lzma Java

CRangeDecoder. exe (command line version of 7zip, see www. For Java EE the primary use case should be an assumed future modular WAR standard in which a WAR file contains one or more Java modules. lzma > LZMACompressorOutputStream. In times of trouble, source code is your best friend. Documentation for the Java SDDS libarary can be found here. lzma natives folder They are in the bin folder. Java Code Examples for lzma. Nowadays the Tukaani distribution no longer exists, but the distro work gave birth to a few subprojects. The two stream classes use the good practices of constructor dependency injection, and you will need to pass them the decorated streams and LZMA encoder / decoders from the SDK. Check your internet connection/proxy settings. What are the files: jinput. exe and 7za. Sie können alle Versionen von 7-Zip (auch die aktuellsten Beta-Versionen) von SourceForge herunterladen:. 7-zip compression settings guide 1. 7zファイル作業用のツール (7-Zipにある7z. p7zip プロジェクト の java_lzma_0090. LZMAFile (filename=None, mode="r", *, format=None, check=-1, preset=None, filters=None) Open an LZMA-compressed file in binary mode. Programming assistant and application server issue solver Cobra HTML parser and renderer library; Rendering libraries. Probably, it is a number in the header of the first one to tell how many files were splitted, isn't it? If so, is it lzma standard (a byte always there) or is it a custom header used by the 7zip app? Does LZMA SDK use some kind of checksum so that it can see if the file is corrupted?. + + + + +Memory requirements for. Compatible with Window XP, Vista, 7, 8, 8. In some tests, the launcher would stay like this indefinitely. Now I have to add support for compressing using LZMA compression. jar, which holds the code and resources of the game such as textures, and LWJGL. O LZMA provê uma alta taxa de compressão, e descompactação muito rápida, de modo que é muito util para aplicações embutidas. lzma files: lzma -d *. The following is the list of Directories of. This article on the Oracle Java site may be useful: How to Write Doc Comments for the Javadoc Tool From the @param part of that article: The @param tag is followed by the. exe (command line version of 7zip, see www. But there's also an archive format called RAR,. Java Code Examples for lzma. Create 7z File - Java Example - LZMA Compression In this tutorial, we will discuss how to create a 7z archive file in Java with an example program. LZMA is default and general compression method of 7z format in 7-Zip compression program (www. LZMA allows dictionaries up to one byte less than 4 GiB. The 7zip sdk is old and unmaintained and it's just a JNI wrapper around the C++ library. lzma; untar the. (and this is a built pc not a bought one). I have downloaded 7zip SDK, changed to onedrive. streams package. Probably, it is a number in the header of the first one to tell how many files were splitted, isn't it? If so, is it lzma standard (a byte always there) or is it a custom header used by the 7zip app? Does LZMA SDK use some kind of checksum so that it can see if the file is corrupted?. I have a software that compresses files using free vbzip as found on vbaccelerator. Forge isnt working for 1. You can click to vote up the examples that are useful to you. exe de 7-Zip) Módulos SFX para crear paquetes e instaladores autoextraibles El código fuente ANSI-C y C++ en LZMA SDK es parte del código fuente de 7-Zip. What are the files: jinput. ReadableFile) cannot be. uncompress) format by updating the header. You will probably only be interested in using the lzma. Name Email Dev Id Roles Organization; Julien Ponge: julien. CRangeDecoder. Summary: Java Development Kit for java-1. Most of the java classes in this release have date modified either in 2005 or 2006 which is well before 9. I want to unsquash an lzma image. CompressorStreamFactory. See screenshots, read the latest customer reviews, and compare ratings for Cool File Viewer: Rar, Word, PDF, PPT, Video & Image Opener. Sie können alle Versionen von 7-Zip (auch die aktuellsten Beta-Versionen) von SourceForge herunterladen:. For example, hadoop client (hadoop fs -du) shows some numbers like 100GB. LzmaException. LZMA Class Encoder java. 1 and 10 Detailed information for file extension LZMA :. A customer journey map is a diagram or several diagrams that depict the stages customers go through when interacting with a company, from buying products online to accessing customer service on the phone to airing grievances on social media. jponge » lzma-java LZMA Java. LZMA(Lempel-Ziv-Markov chain-Algorithm的縮寫)是2001年以來得到發展的一個資料壓縮演算法,它用於7-Zip歸檔工具中的7z格式和 Unix-like 下的 xz 格式。 它使用類似於 LZ77 的 字典編碼 機制,在一般的情況下壓縮率比 bzip2 為高,用於壓縮的字典檔案大小可達4GB。. The Real-Time Specification for Java (RTSJ) is a set of interfaces and behavioral refinements that enable real-time computer programming in the Java programming language. LZMA is default and general compression method of 7z format in 7-Zip compression program (www. Using bzip2 is not a great idea because it's old, you can always beat it using newer methods. TCP and UDP traffic tunneling. We have collection of more than 1 Million open source products ranging from Enterprise product to small libraries in all platforms. LZMACompressor (format=FORMAT_XZ, check=-1, preset=None, filters=None) ¶. InstallAware creates Windows Installer MSI setups with easy MSIcode scripting. LZMA-JS was originally based on gwt-lzma, which is a port of the LZMA SDK from Java into JavaScript. svn/entries LZMA. Finally, by leveraging FileAccess we provide a way to allow the browser to prompt the user to save the compressed result. You will probably only be interested in using the lzma. p7zip bei SourceForge. 7zip Download - 7Zip is a documents compression and archiver software program for several systems. 1,745 downloads; LZMA Utils 4. minecraft folder in Data, without moving files around. Provides stream classes using the "stand-alone" LZMA algorithm. See screenshots, read the latest customer reviews, and compare ratings for Cool File Viewer: Rar, Word, PDF, PPT, Video & Image Opener. If you want to use LZMA code, you can ask consultations, custom code programming and required developer licenses from page for support: Send message to LZMA developer. We say "Zip the file" or "Make a 7z of the folder". WAR files have a number of basic files and directories that are expected to be present. Mobiles are used everywhere by different users for pleasure, seeking information, to enhance productivity, etc…. an LZMA implementation that is asynchronous and very slow - but hey, it's LZMA, not the implementation that is slow. Dependencies. VszLib - 7-zip VB6 Helper #opensource. I went through QTNetworking code in the phantomjs repo until I figured out where the cache was. No random seeking will be done on the file. 0 is being developed under JSR 282. If you use a command line parser don't try jq even with gnu. Future revisions of Java SE 1. Lzma Sdk Tutorial Java I need to uncompress in java a gzip file that is compressed with LZMA. destroystokyo. lzma file and it ope. Self-extracting capability for 7z format. LZMA Utils are no longer developed, although critical bugs may be fixed as long as fixing them doesn't require huge changes to the code. This is about a. But I don't want to use Web Workers If you'd prefer not to bother with Web Workers, you can just include lzma_worker. For example, hadoop client (hadoop fs -du) shows some numbers like 100GB. OK, I Understand. 7z decoding +----- + +Memory usage for Archive opening: + - Temporary pool: + - Memory for. Like any adaptive/dynamic compression method, the idea is to (1) start with an initial model, (2) read data piece by piece,. specs: Intel i7-6700K 4GHz Quad-Core Processor. Tool to apply LZW compression. # 14 Sep 2014, 15:47. Starting with Java 5, a new packing tool for JAR files was made available. lzmaファイルの圧縮・展開ツール; 7zr. com | © Demo Source and Support. Oficjalna polska strona 7-Zip. LZMA SDK został opublikowany pod domeną publiczną. LZMA and related apps. If you want POSIX application deployment on this platform, please consider Cygwin instead. exe 程式的精簡版) 製作自解壓縮軟體套件及安裝程式的自解壓縮模組; LZMA 軟體開發套件中的 ANSI-C 和 C++ 原始碼是由 7-Zip 原始碼中抽取出來的。 LZMA. This article on the Oracle Java site may be useful: How to Write Doc Comments for the Javadoc Tool From the @param part of that article: The @param tag is followed by the. c -- Test application for LZMA compression 2008-11-23 : Igor Pavlov : Public domain */ #define _CRT_SECURE_NO_WARNINGS #include #include com. Threading is planned but it is unknown when it will be implemented. WAR (Web Application aRchive) usually refers to the Sun format that is a JAR used to distribute Java webapps. CompressorStreamFactory. It brings many improvements, including Java conventions and a Java I/O streaming API. LZMA2Options. LZMA is default and general compression method of 7z format in 7-Zip compression program (www. LZMA-JS is a JavaScript implementation of the Lempel-Ziv-Markov (LZMA) chain compression algorithm. exe is part of Java update. Java Code Examples for lzma. LZMA Links. Java-jre downloads using information inside Minecraft. You can convert the SWF file in the LZMA format into the 7z LZMA format by updating the header. exe from 7-Zip) l ANSI-C and C++ source code in LZMA SDK is subset of source code of 7-Zip. I want to implement LZMA (Lempel-Ziv-Markov chain algorithm) alogrithm. streams package. 7-Zip is a file archiver with highest…. Minimizing remote storage usage and synchronization time using deduplication and multichunking: Syncany as an example - Page 5 of 15 - Philipp's Tech Blog. LZMA, the Lempel-Ziv-Markov chain-Algorithm, is a compression algorithm that has been under development since 1998. LZMACompressor (format=FORMAT_XZ, check=-1, preset=None, filters=None) ¶. i know that the pc wouldn't have anything to do with this but i just wanted to make sure it wasn't ;). This doesnt work with 32bit java. I have tried deleting Minecraft and reinstalling and downloading the latest version of Java. sdk is the (reworked) Java LZMA SDK code, and lzma. com | © Demo Source and Support. You can only upload files of type PNG, JPG, or JPEG. classPath: build/classes lib/lzma-java/*. exe from 7-Zip) l ANSI-C and C++ source code in LZMA SDK is subset of source code of 7-Zip. I realize there are dozens of "apt-get update: failure to fetch" questions (I read through all I could find), but my present circumstance is unique to 12. rpm: 2018-05-09 22:45. 有朋友告诉我Unity的Assetbundle是LZMA压缩的,刚好今天有时间那么就研究研究LZMA。它是一个开源的类库,有C、C++、C#、JAVA的类库,那么在我大Unity里面我们当然要 博文 来自: lalate的专栏. WAR files have a number of basic files and directories that are expected to be present. So I need to find. Download this app from Microsoft Store for Windows 10. uncompress) format by updating the header. jar Java Archive File A. L'implementazione utilizzata per 7-Zip usa molte varianti dei metodi delle catene di hash, alberi binari e alberi di Patricia come base per l'algoritmo di compressione a. What are they, and why are they not modded (And why do all of the. l Java source code for LZMA compression and decompression. L (in module re) LabelEntry (class in tkinter. Fontkodon C# por densigi kaj maldensigi LZMA; Fontkodon Java por densigi kaj maldensigi LZMA; lzma. Users of LZMA Utils should move to XZ Utils. 维基百科上的 lzma 页面(英文) 面向 java 独立开发者的 lzma sdk 文档. pack » lzma-sdk-4j » 9. lzma compression and decompression. LZMA library for Java License: Apache 2. The 7zip sdk is old and unmaintained and it's just a JNI wrapper around the C++ library. pbf is the file containing the osm data that you want to split in smaller regions' files in order to process them afterwards with the mkgmap program (other acceptable file formats. dll as soon as its use is done. Tool to apply LZW compression. Gzip vs Bzip2 vs XZ Performance Comparison Posted by Jarrod on September 17, 2015 Leave a comment (23) Go to comments Gzip, Bzip2 and XZ are all popular compression tools used in UNIX based operating systems, but which should you use?. destroystokyo. 2006 : Now Igor Pavlov gives JAVA LZMA SDK with its LZMA SDK (C, C++, C# and JAVA). MST (Microsoft Transform File). See logs below. The Tukaani Project. รองรับ LZMA ใน Java LZMA ผลเกณฑ์มาตรฐานสำหรับซีพียูที่แตกต่างกัน ลิขสิทธิ์ (C) 2014 อิกอร์พาฟโลฟ Inet. papergradle » PaperGradle2. Contrary to other browsers, updates on Chrome are installed silently and automatically, without asking for the user’s consent. 0 LZMA SDK For Java » 9. lzma from the. java lzma sdkには、lzma圧縮を使用するソフトウェアを開発するために必要な、ドキュメント、ソースコード、サンプルコードが含まれています。lzmaは、圧縮プログラム7-zipで、7z書庫ファイルを作成する際のデフォルト圧縮メソッドとして使用されています. LZMA-JS is a JavaScript implementation of the Lempel-Ziv-Markov (LZMA) chain compression algorithm. Unix time (also known as POSIX time or erroneously as Epoch time) is a system for describing instants in time, defined as the number of secondsthat have elapsed since 00:00:00 Coordinated Universal Time (UTC), Thursday, 1 January 1970, not counting leap seconds. So I need to find. Future revisions of Java SE 1. For example, you can use Tar on previously created archives to extract files, to store additional files, or to update or list files which were already stored. For more details on different archivers see our article on Common Compression Formats. Personal Information Exchange Format (PKCS#12) Certificate (. 7-Zip-JBinding is a java wrapper for 7-Zip C++ library KeyOnZip - 7-Zip based code + smart key management service KeyOnDemand Online archive converter using p7zip (7-Zip). lzma file and it ope. FREE Version*****- View over 150 file formats for free. ReadableFile) cannot be. exe and 7za. lzma files and raw LZMA streams. LZMA Utils are no longer developed, although critical bugs may be fixed as long as fixing them doesn't require huge changes to the code. minecraft directory 2. Hi All, I have an ASA runing asdm 6. It supports files created by the lzma or any compatible compression utility. Sat 08 May 2010. 有朋友告诉我Unity的Assetbundle是LZMA压缩的,刚好今天有时间那么就研究研究LZMA。它是一个开源的类库,有C、C++、C#、JAVA的类库,那么在我大Unity里面我们当然要 博文 来自: lalate的专栏. I have a file containing ordered binary numbers from $0$ to $2^n - 1$: 0000000000 0000000001 0000000010 0000000011 0000000100 1111111111 7z did not compress this file very efficiently (for n. The file has been signed with this OpenPGP key. I know it is possible because I've uncompressed a. x now minifies to smaller than one fourth of 1. Anyway around this? I have issues when I do mass deploymentsand if a machine has J6u20 already installed, it will first remove the files, then just report back a successful install. ReadableFile) cannot be. It’s very very slow. Threading is planned but it is unknown when it will be implemented. Maps the given name of a lzma-compressed file to the name that the file should have after uncompression. 0 is being developed under JSR 282. With the compression technique it can reduce the image size without losing the image quality. As a matter of fact, 7-Zip is the official recommendation execution for the 7z layout, as well as considering that is open source, the layout specification is actually arranged straight within the source code. VszLib - 7-zip VB6 Helper #opensource. Steps to Reproduce: 1. Regardless of the permutation the ASDM IDM Luncher will not install in my environment. Az ugrásokat és hívásokat (jump and call), valamint a. The ZIP is one of the most popular file formats used for archiving and compression. See the Wikipedia article on LZMA. On the other hand this source tree of lzma has the lzma framework for C/C++/C sharp/Java. If you have files compressed with WinZip 11 (or later) WavPack compression and attempt to unzip the files with versions before WinZip 11 and WinZip Command Line Add-On 2. "Delete temporary Internet files". exe and it incorporates functionality, while providing better Operating System integration and a more user-friendly operation. Download p7zip for free. lzma format used by LZMA Utils, and can also emulate the command line tools of LZMA Utils. It is stated in the answer that the file name and all other metadata is lost. an LZMA implementation that is asynchronous and very slow - but hey, it's LZMA, not the implementation that is slow. Any filenames with the generic ". 20 on the command line? I know this is normally done with the -t option like so: "-tzip". OPERA VAN JAVA, 19 Maret 2018. List of functions include repair command for damaged ZIP and RAR files, benchmark function compatible with RARLAB's WinRAR benchmark, recovery record, usual and recovery volumes, encryption, solid archives, utilizing multiple CPU cores to compress data. 2) If you are thinking of lzma'ing the whole jar, you'll probably need a bootstrap jar to extract the thing and then either dynamically add it to the classpath or launch a new jvm, again eating away the savings. Watch Queue Queue. The examples are extracted from open source Java projects. encode function, and for the reverse call lzma. There may be other good algorithms, but these were the ones that had well known implementations and wide spread use. The Apache Commons Math project is a library of lightweight, self-contained mathematics and statistics components addressing the most common practical problems not immediately available in the Java programming language or commons-lang. LzmaInputStream. Unzipper is a fully-compatible, compact file archiver that opens and compresses documents, images, videos, source code &lets you share large files easily. You can only upload files of type PNG, JPG, or JPEG. Native (JNI) cross-platform library to extract (password protected, multi-part) 7z Zip Rar Tar Split Lzma Iso HFS GZip Cpio BZip2 Z Arj Chm Lhz Cab Nsis Deb Rpm Wim Udf archives and create 7z, Zip, Tar, GZip & BZip2 from Java. BZip2 yields similar results for objects that do not contain images, but requires longer runtime with such objects. A workaround provides the LZMA compression which yields very good compression rates for text files (in a current case, it reduces the file size to about 25% of the original size). exe to work with 7z archives (reduced version of 7z. Java-jre downloads using information inside Minecraft. 7-Zip is a file archiver with highest compression ratio. XZ for Java. I also tried not passing -t at all, and it just runs single threaded with "lzma" mode. for both compression and decompression. My needs were: Working on mobile I needed something fast. Using bzip2 is not a great idea because it's old, you can always beat it using newer methods. This format is a Java archive and is presented as a typical ZIP file, in which part of the program is written in Java language. LZMA SDK provides the documentation, samples, header files, libraries, and tools you need to develop applications that use LZMA compression. 0_10-b33 (where "b" means "build"). zip( 5 k) The download jar file contains the following class files or Java source files. dll file as long as there is a. But you may use it for better portability. pbf is the file containing the osm data that you want to split in smaller regions' files in order to process them afterwards with the mkgmap program (other acceptable file formats. The native part of 7-Zip-JBinding communicates with the java part through the java jni interface and uses the corresponding native 7-Zip interface to perform operations. static MatchFinderAlgorithm[] values() Returns an array containing the constants of this enum type, in the order they. Source Forge 上的 p7zip 页面. The Tukaani project began as a Slackware based distribution. I know this might sound absurd, try changing your time and date of your computer to the correct one, as it says April of 2013, this you might think has no value, but I have had a friend that had the same problem. Integration with Windows Shell. BindException: Cannot assign requested. c:115:18:致命错误:lzma. jar lwjgl_util. lzma file and it ope. Here is the note on how to convert a swf-lzma to a 7z-lzma so it works with ByteArray. What are the files: jinput. An example is 1848 Morse Code. CompressorStreamFactory. com/Minecraft. Underneath the hood we use 7-Zip-JBinding library (based on 7-zip) to extract files. You will need a program that can extract. 04 and OpenJDK 7, trying to run Minecraft. There may be other good algorithms, but these were the ones that had well known implementations and wide spread use. LZMA SDK содержит также алгоритм BCJ/BCJ2, реализованный для процессоров архитектуры x86, ARM, PowerPC, IA-64 и ARM Thumb. NVIDIA GTX 950. An LZMAFile can wrap an already-open file object, or operate directly on a named file. 7z extension in java. Release Notes # This document provides guidance and an overview to high level general features and updates for SUSE Linux Enterprise Server 12. 1 rendering library. TCP and UDP traffic tunneling. 0_04/bin/java -jar editrocket. CS Learning 101 cslearning101 has temporarily disbanded due to conflicting work schedules and will be unable to post new videos or answer any questions. When overwriting the original, a rollback journal or write-ahead log WAL file is used just as it would be for any other database transaction. Compression Dramatically reduce the size of your install packages using the powerful LZMA algorithm and optional Pack200 packing for your JAR files. The 7zip sdk is old and unmaintained and it's just a JNI wrapper around the C++ library. Compressing directory structure using lzma sdk (7z) lzma sdk is written in java and can be used in java applications. Check your internet connection/proxy settings. LZMA compression algorithm source code package, including the C language code, Java LZMA code, C++ version and C# version of the source code, code detailed. x and in some cases is 1,000x faster (particularly with high compression). The Content-Encoding entity header is used to compress the media-type. 5M : 389-ds-base-devel-1. js directly. Coupled with LZMA compression, this can reduce their size to less than 20% of the original size. The 7-Zip-JBinding consists of two parts: the java part and the native part. l Java source code for LZMA compression and decompression. It effectively replaces java. Free) to free allocated items in "db". LZMA compression is supported through 7-Zip's Java classes. If you want to use LZMA code, you can ask consultations, custom code programming and required developer licenses from page for support: Send message to LZMA developer. lzma 压缩及解压缩算法的 c 源代码,包括了编码器及解码器的 c 源码 ansi-c lzma 解压缩代码是从原始的 c 源代码转换到 c。并简化和优化了代码的大校但它依然和 7-zip 的 lzma 完全兼容。lzma 的压缩速度:在 1 ghz 的处理器上能达到 500 kb/秒。 立即下载. All rights reserved. getProperty('os. You can click to vote up the examples that are useful to you. We have seen about 67 different instances of LZMA_EXE in different location. An LZMAFile can wrap an already-open file object, or operate directly on a named file. LZMA library for Java License: Apache 2. exe em sites de download do "EXE". compress once, decompress many times), because although compression time/CPU is high (LZMA > BZIP2 > GZIP), compression ratio is very good (LZMA > BZIP2 > GZIP) and decompression not too bad (BZIP2 > LZMA > GZIP) [2]. The packages are available for both x86 (32 bit) and x64 (64 bit) processor architectures. If you manage only one device you may not notice the pain. pack:lzma-sdk-4j:jar:9. List of functions include repair command for damaged ZIP and RAR files, benchmark function compatible with RARLAB's WinRAR benchmark, recovery record, usual and recovery volumes, encryption, solid archives, utilizing multiple CPU cores to compress data. LZMA é o método geral e padrão de compactação do formato 7z no 7-Zip. Check your internet connection/proxy settings. It is built around a standalone encoder and a standalone decoder. This is what I get. Didn’t bother using VC2015 anymore, since VC2017 are mostly backward compatiable. Compression. A workaround provides the LZMA compression which yields very good compression rates for text files (in a current case, it reduces the file size to about 25% of the original size). lzma sdk обеспечивает документацию, образцы, заглавные файлы, библиотеки, инструменты и все, что вам нужно для разработки приложений использующих сжатие lzma. LzmaInputStream. I was particularly interested in jar, tar, iso and rpm files extraction. XZ Utils support the legacy. jar Java Archive File A. getProperty('os. 1 ships - AJP, WebSocket, LZMA and more Guest Author Over on his blog, Ryan Lubke announces the release of Grizzly 2. For projects that support PackageReference, copy this XML node into the project file to reference the package. LZW is a data compression method that takes advantage of this repetition. В нём точки перехода перед сжатием нормализуются — то есть, например, для x86 это означает. We have collection of more than 1 Million open source products ranging from Enterprise product to small libraries in all platforms. Oglejte si najboljše, kar smo ustvarili, v peskovniku preizkušajte urejanje strani ali debatirajte pod lipo. live Total Commander - Plugins B1 File Manager and Archiver 1. 0 is a companion product to WinZip and is separately licensed. Didn’t bother using VC2015 anymore, since VC2017 are mostly backward compatiable. Si vous avez un site web et que vous voulez soutenir le projet 7-Zip, vous pouvez afficher le bouton 7-Zip sur votre site. 1 Build 53900 Together with. There are no best compressor with fast time like LZMA! But LZMA SDK has stacked class that I can't understand. Lzip Lzip is a lossless data compressor based on the LZMA VeriEye Algorithm Demo (For Windows) Eye iris identification algorithm demo application for MS Eclat Eclat is a small, simple application specially designed to Lzip for Windows Lzip is a lossless data compressor based on the LZMA Jarsync - a Java rsync implementation. I am running Win 7 x64 Pro, Cisco ASDM 7. What is LZMA_EXE ? LZMA_EXE doesn't have a product name yet and it is developed by unknown, it is also developed by Igor Pavlov. What's New in 2. (and this is a built pc not a bought one). uncompress) format by updating the header. CompressorStreamFactory. If your archive is solid, + it will increase decompression speed. Lempel-Ziv-Welch (LZW) is a lossless data compression algorithm created by Abraham Lempel, Jacob Ziv, et Terry Welch. getProperty('os. Back again for more modded skyblock fun! SkyFactory 4 offers a brand-new experience never before seen in the series. h The file is not actually installed via the installer for which we use RemoveFile table so it does not make sense to add it there. cpp and jinstall. java -jar editrocket. Source Forge 上的 7-Zip 页面. jar file (please make sure this file is in the current folder or can be found by your system), and us-northeast-latest. Check also information about LZMA SDK. This video is unavailable. For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip.