)       prints to file with comments
tymer(["","comments"])           prints to stdout with comments
tymer(["/dev/null","comments"])  prints to stdout with comments

1568382415.290698 Fri Sep 13 07:46:55 2019      0.000      0.000
</div>
<h2>makefile</h2>

<p class="a">The makefile with these examples shows how to make serial programs, MPI, OpenMP and hybrid MPI/OpenMP.  It uses the Intel compilers but could be modified to use gfortran and gcc.
</p>

<h2>phostone</h2>
<p class="a">phostone.c has a number of