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<DIV><FONT face=Verdana color=#000080 size=2>Thank you for your 
replying.</FONT></DIV>
<DIV><FONT color=#000080>But after I make a "diff", I still have trouble to find 
out the difference resulting in performance difference. For example, the data in 
"G cutoff" and "Largest allocated arrays" and "Largest temporary arrays" 
sections take exactly the same values. So, which parameter do you&nbsp;suggest 
is candidate for performance difference?</FONT></DIV>
<DIV><FONT color=#000080>Hope for your suggestions,</FONT></DIV>
<DIV><FONT color=#000080>Best Wishes,</FONT></DIV>
<DIV><FONT color=#000080>Y.P.Wang</FONT></DIV>
<DIV><FONT face=Verdana color=#000080 size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Verdana color=#000080 size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Verdana color=#c0c0c0 size=2>2009-09-10 </FONT></DIV><FONT 
face=Verdana color=#000080 size=2>
<HR style="WIDTH: 100px" align=left color=#b5c4df SIZE=1>
</FONT>
<DIV><FONT face=Verdana color=#c0c0c0 size=2><SPAN>shypirate</SPAN> 
</FONT></DIV>
<HR color=#b5c4df SIZE=1>

<DIV><FONT face=Verdana size=2><STRONG>发件人:</STRONG> Paolo Giannozzi 
</FONT></DIV>
<DIV><FONT face=Verdana size=2><STRONG>发送时间:</STRONG> 2009-09-10&nbsp; 14:47:16 
</FONT></DIV>
<DIV><FONT face=Verdana size=2><STRONG>收件人:</STRONG> PWSCF Forum </FONT></DIV>
<DIV><FONT face=Verdana size=2><STRONG>抄送:</STRONG> </FONT></DIV>
<DIV><FONT face=Verdana size=2><STRONG>主题:</STRONG> Re: [Pw_forum] performance 
of occupation='fixed' and ='smearing' </FONT></DIV>
<DIV><FONT face=Verdana size=2></FONT> </DIV>
<DIV><FONT face=Verdana size=2>
<DIV></DIV>
<DIV>On&nbsp;Sep&nbsp;10,&nbsp;2009,&nbsp;at&nbsp;5:03&nbsp;,&nbsp;shypirate&nbsp;wrote:</DIV>
<DIV></DIV>
<DIV>&gt;&nbsp;If&nbsp;I&nbsp;set&nbsp;occupation='smearing',&nbsp;it&nbsp;takes&nbsp;about&nbsp;6&nbsp;minutes&nbsp;for</DIV>
<DIV>&gt;&nbsp;one&nbsp;diagonalization&nbsp;step,&nbsp;but&nbsp;24&nbsp;minutes&nbsp;for&nbsp;occupation='fixed'.</DIV>
<DIV>&gt;&nbsp;I&nbsp;have&nbsp;set&nbsp;the&nbsp;same&nbsp;"nbnd"&nbsp;and&nbsp;"K_POINTS"&nbsp;for&nbsp;both.</DIV>
<DIV>&gt;&nbsp;My&nbsp;question&nbsp;is,&nbsp;why&nbsp;is&nbsp;the&nbsp;performance&nbsp;difference?</DIV>
<DIV></DIV>
<DIV>make&nbsp;a&nbsp;"diff"&nbsp;between&nbsp;the&nbsp;two&nbsp;outputs&nbsp;and&nbsp;you&nbsp;will&nbsp;see&nbsp;why.</DIV>
<DIV></DIV>
<DIV>P.</DIV>
<DIV>---</DIV>
<DIV>Paolo&nbsp;Giannozzi,&nbsp;Dept&nbsp;of&nbsp;Physics,&nbsp;University&nbsp;of&nbsp;Udine</DIV>
<DIV>via&nbsp;delle&nbsp;Scienze&nbsp;208,&nbsp;33100&nbsp;Udine,&nbsp;Italy</DIV>
<DIV>Phone&nbsp;+39-0432-558216,&nbsp;fax&nbsp;+39-0432-558222</DIV>
<DIV></DIV>
<DIV></DIV>
<DIV></DIV>
<DIV>_______________________________________________</DIV>
<DIV>Pw_forum&nbsp;mailing&nbsp;list</DIV>
<DIV>Pw_forum@pwscf.org</DIV>
<DIV>http://www.democritos.it/mailman/listinfo/pw_forum</DIV></FONT></DIV></BODY></HTML>