<div dir="ltr"><div>Dear ALL<br></div><br><pre><i>I'm trying to do phonon calculation for graphene monolayer <br></i></pre><pre><i>with high q-point and kpoint 30x30x30 and 60x60x60 respectively<br></i></pre><pre><i>using qe-6.0 the scf run with out errro but for phonon calculation <br></i><i>when I </i><i> start the calculation with -image flag I get always the following error:<br><br></i></pre><pre><i>without -image the the calculation run without error<br></i></pre><pre><i>but too slow <br></i></pre><pre><i>second </i>my HPC is 12 cpu per node and 24GB ram using intel <br></pre><pre>MKL is there any mechanismto speedup the calculation<br></pre><pre>I try many option still slow any suggestion <br></pre>Thanks in advance<br><pre><br></pre><pre><i><br></i></pre><div><div>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%<br> Error in routine phq_readin (1):<br> saving dvscf to file images not implemented<br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%<br><br> stopping ...<br><br><br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%<br> Error in routine phq_readin (1):<br> saving dvscf to file images not implemented<br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%<br> Error in routine phq_readin (1):<br> saving dvscf to file images not implemented<br clear="all"><div><div><div class="gmail-m_-5807863593770582953gmail_signature"><div dir="ltr"><div><div><span style="color:rgb(0,0,255)">Alwaleed Ahmed Adllan</span><span style="color:rgb(111,168,220)"> <span style="color:rgb(53,28,117)"></span></span><span style="color:rgb(0,0,255)">Ph.D</span><br><span style="color:rgb(0,0,255)"><font size="1"><i><b>Technical Operations Manager <br></b>Sudan Center for HPC and Grid Computing <br></i></font></span></div><div><span style="color:rgb(0,0,255)"><font size="1"><i>Africa City of Technology<br></i></font></span></div></div></div></div></div>
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