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  62 \r
  63           \r
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  65 <TD valign="top">\r
  66 \r
  67 <H1>LZMA SDK (Software Development Kit)</H1>\r
  68 \r
  69 <P>The <B>LZMA SDK</B> provides the documentation, samples, header files, libraries, \r
  70 and tools you need to develop applications that use <B>LZMA</B> compression.</P>\r
  71 \r
  72 \r
  73 <TABLE cellspacing ="1" cellpadding ="6" border = "0">\r
  74   <TR>\r
  75     <TH class="Title" align="center" width=80>Link</TH>\r
  76     <TH class="Title" align="center" width=60>Size</TH>\r
  77     <TH class="Title" align="center" width=90>Date</TH>\r
  78     <TH class="Title" align="center" width=60>Version</TH>\r
  79     <TH class="Title" align="center">Description</TH>\r
  80   </TR>\r
  81   <TR>\r
  82     <TD class="Item" align="center"><A href="http://downloads.sourceforge.net/sevenzip/lzma920.tar.bz2">Download</A></TD>\r
  83     <TD class="Item" align="center">500 KB</TD>\r
  84     <TD class="Item" align="center">2010-11-18</TD>\r
  85     <TD class="Item" align="center">9.20</TD>\r
  86     <TD class="Item">LZMA SDK (C, C++, C#, Java)</TD>\r
  87   </TR>\r
  88   <TR>\r
  89     <TD class="Item" align="center"><A href="http://downloads.sourceforge.net/sevenzip/lzma922.tar.bz2">Download</A></TD>\r
  90     <TD class="Item" align="center">500 KB</TD>\r
  91     <TD class="Item" align="center">2011-04-19</TD>\r
  92     <TD class="Item" align="center">9.22 Beta</TD>\r
  93     <TD class="Item">LZMA SDK (C, C++, C#, Java)</TD>\r
  94   </TR>\r
  95   <TR>\r
  96     <TD class="Item" align="center"><A href="http://dl.7-zip.org/lzma-specification.zip">Download</A></TD>\r
  97     <TD class="Item" align="center">18 KB</TD>\r
  98     <TD class="Item" align="center">2013-07-28</TD>\r
  99     <TD class="Item" align="center"></TD>\r
 100     <TD class="Item">LZMA Specification (Draft)</TD>\r
 101   </TR>\r
 102 </TABLE>\r
 103 \r
 104 <P><B>What's new:</B>\r
 105 <UL>\r
 106   <LI><B>9.20:</B> New small SFX module for installers.</LI>\r
 107   <LI><B>9.11:</B> PPMd support.</LI>\r
 108   <LI><B>9.04:</B> LZMA2 and XZ support.</LI>\r
 109   <LI><B>4.62:</B> Some fixes. LZMA SDK is placed in the public domain.</LI>\r
 110   <LI><B>4.58:</B> Speed optimizations. New ANSI-C code for LZMA compression.</LI>\r
 111   <LI><B>4.57:</B> Speed optimizations. Some fixes.</LI>\r
 112   <LI><B>4.49:</B> .7z ANSI-C decoder was improved. C++ code for .7z archive handling was \r
 113    included.</LI>\r
 114 </UL>\r
 115 \r
 116 \r
 117 <P><B>LZMA</B> is the default and general compression method of <A href ="7z.html"><B>7z format</B></A>\r
 118 in the <B>7-Zip</B> program. <B>LZMA</B> provides a high compression ratio and \r
 119 very fast decompression, so it is very suitable for embedded applications.\r
 120 For example, it can be used for ROM (firmware) compressing.</P>\r
 121 \r
 122 <P><B>LZMA SDK</B> includes:</P>\r
 123 <UL>\r
 124   <LI><B>C++</B> source code of <B>LZMA</B> Encoder and Decoder</LI>\r
 125   <LI><B>C++</B> source code for <B>.7z</B> compression and decompression (reduced version)</LI>\r
 126   <LI><B>ANSI-C</B> compatible source code for <B>LZMA / LZMA2 / XZ</B> compression and decompression</LI>\r
 127   <LI><B>ANSI-C</B> compatible source code for <B>7z</B> decompression with example</LI>\r
 128   <LI><B>C#</B> source code for <B>LZMA</B> compression and decompression</LI>\r
 129   <LI><B>Java</B> source code for <B>LZMA</B> compression and decompression</LI>\r
 130   <LI><B>lzma.exe</B> for .lzma compression and decompression</LI>\r
 131   <LI><B>7zr.exe</B> to work with 7z archives (reduced version of 7z.exe from 7-Zip)</LI>\r
 132 </UL>\r
 133 \r
 134 <P><B>ANSI-C</B> and <B>C++</B> source code in LZMA SDK is subset of source code of 7-Zip.</P>\r
 135 \r
 136 <P><B>LZMA</B> features:</P>\r
 137 <UL>\r
 138   <LI>Compression speed: 2 MB/s on 2 GHz dual-core CPU.\r
 139   <LI>Decompression speed: \r
 140     <UL>\r
 141       <LI>20-30 MB/s on 2 GHz Intel Core2 or AMD Athlon 64.\r
 142       <LI>1-2 MB/s on 200 MHz ARM, MIPS, PowerPC or other simple RISC CPU.\r
 143     </UL>\r
 144   <LI>Small memory requirements for decompression: 8-32 KB + DictionarySize\r
 145   <LI>Small code size for decompression: 2-8 KB (depending on speed optimizations)\r
 146 </UL>\r
 147 \r
 148 <P>The <B>LZMA</B> decoder uses only CPU integer instructions and can be \r
 149 implemented for any modern 32-bit CPU (or, on a 16-bit CPU with some conditions).</P>\r
 150 \r
 151 <H2>License</H2>\r
 152 \r
 153 <P><B>LZMA SDK</B> is placed in the <B>public domain.</B></P>\r
 154 \r
 155 <H2>LZMA Links</H2>\r
 156 <ul>\r
 157 <li><A href="http://en.wikipedia.org/wiki/LZMA">LZMA at Wikipedia</A></li>\r
 158 <li><A href="http://sourceforge.net/projects/p7zip/">Port of LZMA SDK for JAVA from independent developer</A></li>\r
 159 <li><A href="http://www.birtles.org.uk/programming/">Port of LZMA SDK to Pascal (Delphi, Kylix and Freepascal)</A></li>\r
 160 <li><a href="http://www.joachim-bauch.de/projects/python/pylzma/">PyLZMA: Python bindings for LZMA</a></li>\r
 161 <li><a href="http://tukaani.org/xz/">XZ Utils / LZMA utils</a></li>\r
 162 <li><a href="http://contrapunctus.net/league/haques/lzmajio/">LZMA Streams in Java</a></li>\r
 163 <li><a href="http://www.7-cpu.com/">LZMA Benchmark results for different CPUs</a></li>\r
 164 \r
 165 </ul>\r
 166 \r
 167 \r
 168 <HR>\r
 169 <P><SMALL>Copyright (C) 2014 Igor Pavlov.</SMALL></P>\r
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