<div dir="ltr">Hi!<br><div dir="ltr"><p>I've been using Gromacs on dual-socket quad-core Xeons with 8GiB of RAM, connected with Gigabit Ethernet and I always seem to have problems scaling to more than a node.</p><p>When I run a test on 16 cores, it does run but the result is often slower than when running on only 8 cores on the same machine. The best result I've managed is not being slower than 8 cores on 16.</p>
<p>What am I missing here, or are the tests inappropriate to run over more than one machine?</p><p>Best regards,</p><p> Tiago Marques</p></div>
<br></div>