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<title>Limitations</title><link rel="stylesheet" href="boostbook.css" type="text/css"><meta name="generator" content="DocBook XSL-NS Stylesheets V1.75.2"><link rel="home" href="index.html" title="Meta State Machine (MSM)"><link rel="up" href="ch04.html" title="Chapter&nbsp;4.&nbsp; Performance / Compilers"><link rel="prev" href="ch04s03.html" title="Supported compilers"><link rel="next" href="ch04s05.html" title="Compilers corner"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"> Limitations </th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch04s03.html">Prev</a>&nbsp;</td><th width="60%" align="center">Chapter&nbsp;4.&nbsp; Performance / Compilers</th><td width="20%" align="right">&nbsp;<a accesskey="n" href="ch04s05.html">Next</a></td></tr></table><hr></div><div class="sect1" title="Limitations"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="d0e2852"></a> Limitations </h2></div></div></div><p>
</p><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"><p>Compilation times of state machines with &gt; 80 transitions that are
going to make you storm the CFO's office and make sure you get a
shiny octocore with 12GB RAM by next week, unless he's interested in
paying you watch the compiler agonize for hours... (Make sure you
ask for dual 24" as well, it doesn't hurt).</p></li><li class="listitem"><p>eUML allows very long constructs but will also quickly increase
your compile time on some compilers (VC9, VC10) with buggy decltype
support (I suspect some at least quadratic algorithms there). Even
g++ 4.4 shows some regression compared to 4.3 and will crash if the
constructs become too big.</p></li><li class="listitem"><p>Need to overwrite the mpl::vector/list default-size-limit of 20
and fusion default vector size of 10 if more than 10 states found in
a state machine</p></li><li class="listitem"><p><span class="command"><strong><a class="command" href="ch03s02.html#limitation-submachine">Limitation for
submachines</a></strong></span> and entry actions requiring an event
property.</p></li></ul></div><p>
</p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch04s03.html">Prev</a>&nbsp;</td><td width="20%" align="center"><a accesskey="u" href="ch04.html">Up</a></td><td width="40%" align="right">&nbsp;<a accesskey="n" href="ch04s05.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Supported compilers&nbsp;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&nbsp; Compilers corner </td></tr></table></div></body></html>