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<body class='hmmessage'><div dir='ltr'>Thank yo very much and sorry for the inconvenience. <br><br><div><font face="Calibri" size="4">M. C. </font><span style="font-family:Calibri;font-size:16pt;">Reyna Méndez Camacho.</span></div><br><br><div><hr id="stopSpelling">From: p.giannozzi@gmail.com<br>Date: Mon, 14 Sep 2015 19:00:15 +0200<br>To: pw_forum@pwscf.org<br>Subject: Re: [Pw_forum] Cut-off and 6 core<br><br><div dir="ltr"><br><div class="ecxgmail_extra"><br><div class="ecxgmail_quote">On Mon, Sep 14, 2015 at 3:28 PM, reyna mendez camacho <span dir="ltr"><<a href="mailto:reyna129b@hotmail.com" target="_blank">reyna129b@hotmail.com</a>></span> wrote:<br><blockquote class="ecxgmail_quote" style="border-left:1px solid rgb(204,204,204);padding-left:1ex;">
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<div dir="ltr"><span><div>1.-The specifications of the computer you recently installed QE, says:</div><div>Processor: 6-Core Intel Xeon E5</div><div>Cores number: 6</div><div><br></div><div>My question is: in the .out file says:</div></span><div><span><div> Parallel version (MPI & OpenMP), running on 12 processor cores</div><div> Number of MPI processes: 1</div><div> Threads/MPI process: 12</div><div><br></div><div>I do not understand why recognizes 12 cores?</div></span></div></div></div></div></div></div></div></blockquote><div><br></div><div>because your software environment is set to run on 12 OpenMP threads with 1 MPI process: for instance, you have set something like OMP_NUM_THREADS=12 and run "mpirun -np 1 ...".<br>QE doesn't take the initiative of running on 6 or 12 or 137 cores: it does what it is instructed to do.<br> <br></div><blockquote class="ecxgmail_quote" style="border-left:1px solid rgb(204,204,204);padding-left:1ex;"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><span><div>, and is running on all cores or just one?</div></span></div></div></div></div></div></div></div></blockquote><div><br></div><div>it is running as specified in the output. <font face="Calibri" size="4"><br><br></font></div></div>Paolo<br clear="all"></div><div class="ecxgmail_extra"><br>-- <br><div class="ecxgmail_signature"><div dir="ltr"><div><div dir="ltr"><span><span><font color="#888888">Paolo Giannozzi, Dept. Chemistry&Physics&Environment,<br>
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy<br>
Phone <a target="_blank">+39-0432-558216</a>, fax <a target="_blank">+39-0432-558222</a></font></span></span></div></div></div></div>
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