<div>Give that a try. Depending on the nature of the problem, it may not easily</div>

<div>parallelize to that many processors.<br><br> </div>

<div><span class="gmail_quote">On 8/31/07, <b class="gmail_sendername">Bhagawan Sahu</b> <<a href="mailto:brsahu@physics.utexas.edu">brsahu@physics.utexas.edu</a>> wrote:</span>

<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><br>Dear PWSCF users,<br><br>For a 288 processors jog on a linux cluster), I got the error message<br>as<br>

<br>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>task #       140     from startup : error #       288<br>     too many processors<br><br>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

<br><br><br>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>    task #        99<br>    from startup : error #       288<br>     too many processors<br><br>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

<br><br><br>In PW/para.f90<br><br>MODULE para_const<br><br>!----------------------------------------------------------------------------<br>!<br>SAVE<br>!<br>INTEGER, PARAMETER :: &<br>#if defined(__QK_USER__)<br>     maxproc  = 2048     !  maximum number of processors.

<br>                         !  make it big for 'big iron'.<br>#else<br>     maxproc  = 128      !  maximum number of processors<br>#endif<br>END MODULE para_const<br><br><br>Do I have to change<br><br>#else<br>     maxproc  = 128      !  maximum number of processors

<br><br>to a large number (say 1000 or anything greater than I need) and recompile<br>the code again and this will take care of the error.<br><br>Bhagawan Sahu<br>Microelectronics Research Center<br>University of Texas at Austin

<br>Austin TX 78758<br><br>_______________________________________________<br>Pw_forum mailing list<br><a href="mailto:Pw_forum@pwscf.org">Pw_forum@pwscf.org</a><br><a href="http://www.democritos.it/mailman/listinfo/pw_forum">

http://www.democritos.it/mailman/listinfo/pw_forum</a> </blockquote></div> <br clear="all"> --  Nichols A. Romero, Ph.D. DoD User Productivity Enhancement and Technology Transfer (PET) Group High Performance Technologies, Inc.

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