<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" style="font-size:12pt;color:#000000;background-color:#FFFFFF;font-family:Calibri,Arial,Helvetica,sans-serif;">
<p>Dear Arthur,<br>
<br>
"Linker Flags" and "R_LIB" are found by consulting google on "xianyi-openblas user manual".
<br>
<br>
The "include" flag is necessary, otherwise there is a conflict with /usr/link/ld.<br>
<br>
Xianyi recommends -lopenblas and adds -lpthread -lgfortran with motivations understood by wise Linuxers. They have not done any harm.<br>
<br>
Could you improve calculation time ...? In a previous wien-bounces you find a test where gfortran+openblas is fully competitive with intel+mkl. A try is worthwhile.<br>
<br>
Best regards / John<br>
<br>
</p>
<p><br>
</p>
<div id="Signature">
<div class="BodyFragment"><font size="2">
<div class="PlainText">John Rundgren<br>
Department of Theoretical Physics, KTH Royal Institute of Technology<br>
</div>
</font></div>
</div>
</body>
</html>