CPU 0 (Master) calls <tt>eval</tt> with the help of all other CPUs (slaves).

<p>
<tt>Broadcast_Atoms</tt> must be called before calling this command.

<p>
Effective only when MD++ is compiled for parallel runs,
e.g. with <tt>SYS = mpicc</tt> or <tt>SYS = mpigpp</tt>.

