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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) V2.12"><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="d0e2521"></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></ul></div><p>
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