467 lines
14 KiB
HTML
467 lines
14 KiB
HTML
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<title>Intel® Threading Building Blocks. fgbzip2 sample</title>
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</head>
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<div id="banner">
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9Or1LzUmVVz+HJXDAAAAAElFTkSuQmCC">
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<h1 class="title">Intel® Threading Building Blocks.<br>fgbzip2 sample</h1>
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</div>
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<p>
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fgbzip2 is a parallel implementation of bzip2 block-sorting file compressor that uses tbb::flow.
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The output of this application is fully compatible with bzip2 v1.0.6 or newer.
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<br><br>
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<i>
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This example includes software developed by Julian R Seward. See
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<a href="#copyright">here</a> for copyright information.
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</i>
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<br>
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It exemplifies support for asynchronous capabilities in the flow graph API, in particular async_node and async_msg.
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<br><br>
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This example uses C++11 lambda expressions. Specifying a compiler option such as -std=c++11 or similar might be necessary in order to build the example.
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For more information please refer to the documentation for the compiler you use.
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</p>
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<div class="changes">
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<div class="h3-alike">System Requirements</div>
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<input type="checkbox">
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<div class="show-hide">
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<p>
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For the most up to date system requirements, see the <a href="http://software.intel.com/en-us/articles/intel-threading-building-blocks-release-notes">release notes.</a>
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</p>
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</div>
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</div>
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<div class="changes">
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<div class="h3-alike">Files</div>
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<input type="checkbox" checked="checked">
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<div class="show-hide">
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<dl>
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<dt><a href="fgbzip2.cpp">fgbzip2.cpp</a>
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<dd>Flow Graph implementation of bzip2 compressor.
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<dt><a href="blocksort.cpp">blocksort.cpp</a>
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<dd>Block sorting machinery of libbzip2.
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<dt><a href="bzlib.cpp">bzlib.cpp</a>
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<dd>libbzip2 top-level functions.
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<dt><a href="bzlib.h">bzlib.h</a>
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<dd>Public header file for the libbzip2.
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<dt><a href="bzlib_private.h">bzlib_private.h</a>
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<dd>Private header file for the libbzip2.
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<dt><a href="compress.cpp">compress.cpp</a>
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<dd>Compression machinery of libbzip2.
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<dt><a href="crctable.cpp">crctable.cpp</a>
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<dd>libbzip2 table for doing CRCs.
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<dt><a href="decompress.cpp">decompress.cpp</a>
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<dd>Decompression machinery of libbzip2.
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<dt><a href="huffman.cpp">huffman.cpp</a>
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<dd>Huffman coding low-level stuff of libbzip2.
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<dt><a href="randtable.cpp">randtable.cpp</a>
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<dd>libbzip2 table for randomising repetitive blocks.
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<dt><a href="Makefile">Makefile</a>
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<dd>Makefile for building the example.
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</dl>
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</div>
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</div>
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<div class="changes">
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<div class="h3-alike">Directories</div>
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<input type="checkbox" checked="checked">
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<div class="show-hide">
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<dl>
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<dt><a href="msvs/">msvs</a>
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<dd>Contains Microsoft* Visual Studio* workspace for building and running the example (Windows* systems only).
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<dt><a href="xcode/">xcode</a>
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<dd>Contains Xcode* IDE workspace for building and running the example (macOS* systems only).
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</dl>
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<p>For information about the minimum supported version of IDE, see <a href="http://software.intel.com/en-us/articles/intel-threading-building-blocks-release-notes">release notes.</a></p>
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</div>
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</div>
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<div class="changes">
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<div class="h3-alike">Build instructions</div>
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<input type="checkbox" checked="checked">
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<div class="show-hide">
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<p>General build directions can be found <a href="../../index.html">here</a>.</p>
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</div>
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</div>
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<div class="changes">
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<div class="h3-alike">Usage</div>
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<input type="checkbox" checked="checked">
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<div class="show-hide">
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<dl>
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<dt><tt>fgbzip2 <i>-h</i></tt>
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<dd>Prints the help for command line options
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<dt><tt>fgbzip2 [<i>-b</i>=value] [<i>-v</i>] [<i>-l</i>=value] [<i>-a</i>=value] [<i>filename</i>]</tt>
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<dd><i>-b</i> block size in 100 KB chunks, [1 .. 9]<br>
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<i>-v</i> print diagnostic output to screen<br>
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<i>-l</i> used memory limit for compression algorithm with 1 MB (minimum) granularity<br>
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<i>-a</i> name of the used graph async realization - can be async_node or async_msg<br>
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<i>filename</i> name of the file to compress<br>
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<dt>To run a short version of this example, e.g., for use with Intel® Parallel Inspector:
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<dd>Build a <i>debug</i> version of the example
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(see the <a href="../../index.html">build instructions</a>).
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<br>Run it with a small problem size, e.g., <tt>fgbzip2 -b=1 -a fgbzip2</tt>.
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</dl>
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</div>
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</div>
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Intel and the Intel logo are trademarks of Intel Corporation in the U.S. and/or other countries.
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<br>© 2019, Intel Corporation
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<p>
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The "libbzip2" sources for this example is
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Copyright (c) 1996-2010 Julian R Seward.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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