<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style type="text/css" style="display:none;"><!-- P {margin-top:0;margin-bottom:0;} --></style>
</head>
<body dir="ltr">
<div id="divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif;" dir="ltr">
<p></p>
<div style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 12.8px;">
<font size="2"><span style="font-size: 10pt;">Dear Sir,<br>
</span></font></div>
<div style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 12.8px;">
<font size="2"><span style="font-size: 10pt;">I am running wien version 16 on a machine of type I3 with operating system ubuntu lunix 16.1.4, fortran compiler ifort. I am running this case (ABX3) (Perovskite structure) .After defining parameters, in the initializing
the structure total 999 cycle shown. when i start the SCF cycle, it take 25-30 Min in every cycle. How can i reduce this time period or some parallel programming is required. </span></font></div>
with regards
<p></p>
<p>Ajay singh verma</p>
</div>
</body>
</html>