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49 <H1>LZMA SDK (Software Development Kit)</H1>
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51 <P>The <B>LZMA SDK</B> provides the documentation, samples, header files, libraries,
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52 and tools you need to develop applications that use <B>LZMA</B> compression.</P>
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55 <TABLE cellspacing ="1" cellpadding ="6" border = "0">
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57 <TH class="Title" align="center" width=80>Link</TH>
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58 <TH class="Title" align="center" width=60>Size</TH>
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59 <TH class="Title" align="center" width=90>Date</TH>
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60 <TH class="Title" align="center" width=60>Version</TH>
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61 <TH class="Title" align="center">Description</TH>
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64 <TD class="Item" align="center"><A href="http://downloads.sourceforge.net/sevenzip/lzma465.tar.bz2">Download</A></TD>
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65 <TD class="Item" align="center">300 KB</TD>
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66 <TD class="Item" align="center">2009-02-03</TD>
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67 <TD class="Item" align="center">4.65</TD>
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68 <TD class="Item" rowspan=2>LZMA SDK (C, C++, C#, Java)</TD>
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71 <TD class="Item" align="center"><A href="http://downloads.sourceforge.net/sevenzip/lzma457.tar.bz2">Download</A></TD>
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72 <TD class="Item" align="center">300 KB</TD>
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73 <TD class="Item" align="center">2007-12-12</TD>
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74 <TD class="Item" align="center">4.57</TD>
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78 <P><B>What's new:</B>
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80 <LI><B>4.65:</B> Some fixes.</LI>
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81 <LI><B>4.62:</B> Some fixes. LZMA SDK is placed in the public domain.</LI>
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82 <LI><B>4.58:</B> Speed optimizations. New ANSI-C code for LZMA compression.</LI>
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83 <LI><B>4.57:</B> Speed optimizations. Some fixes.</LI>
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84 <LI><B>4.49:</B> .7z ANSI-C decoder was improved. C++ code for .7z archive handling was
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89 <P><B>LZMA</B> is the default and general compression method of <A href ="7z.html"><B>7z format</B></A>
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90 in the <B>7-Zip</B> program. <B>LZMA</B> provides a high compression ratio and
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91 very fast decompression, so it is very suitable for embedded applications.
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92 For example, it can be used for ROM (firmware) compressing.</P>
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94 <P><B>LZMA SDK</B> includes:</P>
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96 <LI><B>C++</B> source code of <B>LZMA</B> Encoder and Decoder</LI>
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97 <LI><B>ANSI-C</B> compatible source code for <B>LZMA</B> decompression with example</LI>
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98 <LI><B>C#</B> source code for <B>LZMA</B> compression and decompression</LI>
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99 <LI><B>Java</B> source code for <B>LZMA</B> compression and decompression</LI>
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100 <LI>Compiled file->file <B>LZMA</B> compression/decompression program for the Windows operating system</LI>
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103 <P><B>ANSI-C LZMA</B> decompression code is ported from the original C++ sources to C.
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104 Also, it has been simplified and optimized for code size. But it is fully compatible
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105 with <B>LZMA</B> from <B>7-Zip</B>.</P>
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107 <P><B>LZMA</B> features:</P>
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109 <LI>Compression speed: 2 MB/s on 2 GHz dual-core CPU.
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110 <LI>Decompression speed:
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112 <LI>20-30 MB/s on 2 GHz Intel Core2 or AMD Athlon 64.
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113 <LI>1-2 MB/s on 200 MHz ARM, MIPS, PowerPC or other simple RISC CPU.
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115 <LI>Small memory requirements for decompression: 8-32 KB + DictionarySize
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116 <LI>Small code size for decompression: 2-8 KB (depending on speed optimizations)
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119 <P>The <B>LZMA</B> decoder uses only CPU integer instructions and can be
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120 implemented for any modern 32-bit CPU (or, on a 16-bit CPU with some conditions).</P>
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124 <P><B>LZMA SDK</B> is placed in the <B>public domain.</B></P>
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126 <H2>LZMA Links</H2>
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128 <li><A href="http://en.wikipedia.org/wiki/LZMA">LZMA at Wikipedia</A></li>
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129 <li><A href="http://sourceforge.net/projects/p7zip/">Port of LZMA SDK for JAVA from independent developer</A></li>
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130 <li><A href="http://www.birtles.org.uk/programming/">Port of LZMA SDK to Pascal (Delphi, Kylix and Freepascal)</A></li>
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131 <li><a href="http://www.joachim-bauch.de/projects/python/pylzma/">PyLZMA: Python bindings for LZMA</a></li>
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132 <li><a href="http://tukaani.org/lzma/">LZMA utils</a></li>
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133 <li><a href="http://contrapunctus.net/league/haques/lzmajio/">LZMA Streams in Java</a></li>
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137 <HR><P><SMALL>Copyright (C) 2009 Igor Pavlov.</SMALL></P>
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