<font style="font-family: verdana,sans-serif;" face="verdana,sans-serif">Hi,<br><br><br></font><span style="font-family: verdana,sans-serif;">I am not expert on torque configurations, so might something wrong with configurations.</span><br style="font-family: verdana,sans-serif;">

<font style="font-family: verdana,sans-serif;" face="verdana,sans-serif">I am seeing a strange behaviour of ppn variable.<br>My nodes config is something like<br></font><span style="font-family: verdana,sans-serif;">node01 </span>np<span style="font-family: verdana,sans-serif;">=4</span><br style="font-family: verdana,sans-serif;">

<span style="font-family: verdana,sans-serif;">
node02 </span>np<span style="font-family: verdana,sans-serif;">=4</span><br style="font-family: verdana,sans-serif;"><br style="font-family: verdana,sans-serif;"><span style="font-family: verdana,sans-serif;">snippet of maui config</span><br style="font-family: verdana,sans-serif;">

<font style="font-family: verdana,sans-serif;" face="verdana,sans-serif">JOBNODEMATCHPOLICY     EXACTNODE<br>ENABLEMULTINODEJOBS   TRUE<br>NODEACCESSPOLICY         SHARED<br><br><br>snippet of queue config<br>        resources_available.nodect = 65<br>

        resources_assigned.nodect = 5<br>        resources_default.nodes = 1<br></font><br style="font-family: verdana,sans-serif;"><span style="font-family: verdana,sans-serif;">sample script </span><br style="font-family: verdana,sans-serif;">

<span style="font-family: verdana,sans-serif;">------------------------------------</span><br style="font-family: verdana,sans-serif;"><font style="font-family: verdana,sans-serif;" face="verdana,sans-serif">#PBS -q long<br>

#PBS -l nodes=2:ppn=1<br><br>echo This jobs runs on the following processors:<br>echo `cat $PBS_NODEFILE`<br>NPROCS=`wc -l &lt; $PBS_NODEFILE`<br>echo This job has allocated $NPROCS processors<br>hostname<br></font><span style="font-family: verdana,sans-serif;">------------------------------------</span><br style="font-family: verdana,sans-serif;">

<br style="font-family: verdana,sans-serif;"><span style="font-family: verdana,sans-serif;">Below is my result in the tables </span><br style="font-family: verdana,sans-serif;">


        
        
        
        <style type="text/css">td p { margin-bottom: 0cm; }p { margin-bottom: 0.21cm; }</style>

<dl style="font-family: verdana,sans-serif;"><dl><dd>
                <table height="165" border="1" cellpadding="4" cellspacing="0" width="416">
                        <col width="49*">
                        <col width="38*">
                        <col width="77*">
                        <col width="92*">
                        <tbody><tr valign="TOP">
                                <td width="19%">
                                        <p>nodes</p>
                                </td>
                                <td width="15%">
                                        <p>ppn</p>
                                </td>
                                <td width="30%">
                                        <p>no. process run (hostname)</p>
                                </td>
                                <td width="36%">
                                        <p>no. pf processor allocated</p>
                                </td>
                        </tr>
                        <tr valign="TOP">
                                <td width="19%">
                                        <p>3</p>
                                </td>
                                <td width="15%">
                                        <p>1</p>
                                </td>
                                <td width="30%">
                                        <p>1</p>
                                </td>
                                <td width="36%">
                                        <p>3</p>
                                </td>
                        </tr>
                        <tr valign="TOP">
                                <td width="19%">
                                        <p>3</p>
                                </td>
                                <td width="15%">
                                        <p>2</p>
                                </td>
                                <td width="30%">
                                        <p>1</p>
                                </td>
                                <td width="36%">
                                        <p>2</p>
                                </td>
                        </tr>
                        <tr valign="TOP">
                                <td width="19%">
                                        <p>3</p>
                                </td>
                                <td width="15%">
                                        <p>3</p>
                                </td>
                                <td width="30%">
                                        <p>1</p>
                                </td>
                                <td width="36%">
                                        <p>3</p>
                                </td>
                        </tr>
                        <tr valign="TOP">
                                <td width="19%">
                                        <p>3</p>
                                </td>
                                <td width="15%">
                                        <p>4</p>
                                </td>
                                <td width="30%">
                                        <p>1</p>
                                </td>
                                <td width="36%">
                                        <p>4</p>
                                </td>
                        </tr>
                </tbody></table>
        </dd></dl></dl><span style="font-family: verdana,sans-serif;">In case 1, it gives 3 processor on same node which is incorrect, it should give 1 processor on 3 different nodes</span><br style="font-family: verdana,sans-serif;">

<span style="font-family: verdana,sans-serif;">In case2, it give only 2 processor on same node, it should 2 processor on 3 different nodes (total 6 processor) and similar behaviour with the last tow cases.</span><br style="font-family: verdana,sans-serif;">

<span style="font-family: verdana,sans-serif;">In all the cases the hostname command run only once, which should run at least on total number of allocated processors.</span><br style="font-family: verdana,sans-serif;"><br style="font-family: verdana,sans-serif;">

<br style="font-family: verdana,sans-serif;"><span style="font-family: verdana,sans-serif;">Due to this strange behaviour i can not run mpi jobs correctly, kindly advise on this problem.</span><br style="font-family: verdana,sans-serif;">

<br style="font-family: verdana,sans-serif;"><span style="font-family: verdana,sans-serif;">TIA</span><br style="font-family: verdana,sans-serif;"><br style="font-family: verdana,sans-serif;"><span style="font-family: verdana,sans-serif;">Regards</span><br style="font-family: verdana,sans-serif;">

<span style="font-family: verdana,sans-serif;">Govind</span><br style="font-family: verdana,sans-serif;"><br style="font-family: verdana,sans-serif;"><br style="font-family: verdana,sans-serif;"><font style="font-family: verdana,sans-serif;" face="verdana,sans-serif"><br>

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