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<title>Intel® Threading Building Blocks. Fibonacci sample</title>
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<h1 class="title">Intel® Threading Building Blocks.<br>Fibonacci sample</h1>
</div>
<p>
This directory contains an example that computes Fibonacci numbers in several
different ways.
<br><br>
The purpose of the example is to exercise every include file
and class in Intel® Threading Building Blocks.
Most of the computations are deliberately silly and not expected to
show any speedup on multiprocessors.
</p>
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<div class="h3-alike">System Requirements</div>
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<p>
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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<dl>
<dt><a href="Fibonacci.cpp">Fibonacci.cpp</a>
<dd>Source code for example.
<dt><a href="Makefile">Makefile</a>
<dd>Makefile for building the example.
</dl>
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<dt><a href="msvs/">msvs</a>
<dd>Contains Microsoft* Visual Studio* workspace for building and running the example (Windows* systems only).
<dt><a href="xcode/">xcode</a>
<dd>Contains Xcode* IDE workspace for building and running the example (OS X* systems only).
</dl>
<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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<p>General build directions can be found <a href="../../index.html">here</a>.</p>
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<dl>
<dt><tt>fibonacci <i>K</i> [<i>M</i>[:<i>N</i>]] [<i>R</i>]</tt>
<dd>Calculates the <i>K</i>-th fibonacci number.
<i>M</i> and <i>N</i> are a range of numbers of threads to be used.
<i>R</i> is the number of times to repeat the calculation.
<dt>To run a short version of this example, e.g., for use with Intel® Threading Tools:
<dd>Build a <i>debug</i> version of the example
(see the <a href="../../index.html">build instructions</a>).
<br>Run it with a small fibonacci number and the desired number of threads, e.g., <tt>fibonacci 100 4</tt>.
</dl>
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