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<title>Intel® Threading Building Blocks. Binpack sample</title>
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<h1 class="title">Intel® Threading Building Blocks.<br>Binpack sample</h1>
</div>
<p>
This directory contains a simple tbb::flow example that performs
binpacking of N integer values into a near-optimal number of bins
of capacity V.
<br><br>
It features a source_node which passes randomly
generated integer values of size<=V to a queue_node. Multiple
function_nodes set about taking values from this queue_node and
packing them into bins according to a best-fit policy. Items that
cannot be made to fit are rejected and returned to the queue. When
a bin is packed as well as it can be, it is passed to a buffer_node
where it waits to be picked up by another function_node. This final
function nodes gathers stats about the bin and optionally prints its
contents. When all bins are accounted for, it optionally prints a
summary of the quality of the bin-packing.
</p>
<div class="changes">
<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>
</p>
</div>
</div>
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<div class="h3-alike">Files</div>
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<dl>
<dt><a href="binpack.cpp">binpack.cpp</a>
<dd>Driver.
<dt><a href="Makefile">Makefile</a>
<dd>Makefile for building the example.
</dl>
</div>
</div>
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<div class="h3-alike">Directories</div>
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<dl>
<dt><a href="msvs/">msvs</a>
<dd>Contains Microsoft* Visual Studio* workspace for building and running the example with the Intel® C++ Compiler (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>
</div>
</div>
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<div class="h3-alike">Build instructions</div>
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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>binpack <i>-h</i></tt>
<dd>Prints the help for command line options
<dt><tt>binpack [<i>#threads</i>=value] [<i>verbose</i>] [<i>silent</i>] [<i>N</i>=value] [<i>V</i>=value] [<i>#packers</i>=value] [<i>optimality</i>=value] [<i>#threads</i>]</tt>
<dd><tt><i>#threads</i></tt> is the number of threads to use; a range of the form <i>low</i>[:<i>high</i>] where low and optional high are non-negative integers, or 'auto' for the TBB default.<br>
<tt><i>verbose</i></tt> print diagnostic output to screen<br>
<tt><i>silent</i></tt> limits output to timing info; overrides verbose<br>
<tt><i>N</i></tt> number of values to pack<br>
<tt><i>V</i></tt> capacity of each bin<br>
<tt><i>#packers</i></tt> number of concurrent bin packers to use (default=#threads)<br>
<tt><i>optimality</i></tt> controls optimality of solution; 1 is highest, use larger numbers for less optimal but faster solution<br>
<dt>To run a short version of this example, e.g., for use with Intel® Parallel Inspector:
<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 problem size and the desired number of threads, e.g., <tt>binpack 4 N=100</tt>.
</dl>
</div>
</div>
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Intel and the Intel logo are trademarks of Intel Corporation in the U.S. and/or other countries.
<br>* Other names and brands may be claimed as the property of others.
<br>© 2016, Intel Corporation
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