<div dir="ltr"><div>I have compiled the most recent version Molpro using MPI but am uncertain of a couple of things about running with multiple processors. <br></div><div><br></div><div>1) How do the -n flag and the memory card interact? </div><div><br></div><div>If for example my input has </div><div>memory,500,M</div><div>and I run said job with '-n 3' will the processes consume 1500Mw of memory or does it efficiently use the shared memory. </div><div><br></div><div>2) Are there any timings for OpenMP vs MPI in Molpro?</div><div><br></div><div>Thanks you,</div><div><div><div dir="ltr">-------------------------------------------------------------------<br>Dr. Eric Jon Sundstrom <br><p dir="ltr" style="line-height:1;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;vertical-align:baseline;white-space:pre-wrap">Postdoctoral Researcher</span></p><p dir="ltr" style="line-height:1;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;vertical-align:baseline;white-space:pre-wrap">Thomas F. Miller III Group </span></p>Division of Chemistry and Chemical Engineering<br>California Institute of Technology<div>ph: 765.491.5765 <br>email: <a href="mailto:esundstr@gmail.com" target="_blank">esundstr@gmail.com</a></div></div></div>
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