<div dir="ltr">Hi,<div><br></div><div>I am trying to debug an issue with cp2k 6.1. The popt run is fine. but there are errors with psmp runs.</div><div><br></div><div> command line used:</div><div><b> mpirun -np 2 -x OMP_NUM_THREADS=4 ../../../exe/Linux-x86-64-aocc/cp2k.psmp ./H2O-32.inp<br></b></div><div><br></div><div>psmp executable runs fine with 1 mpi rank and 4 openmp threads. but it fails with 2 mpi rank and 4 openmp threads. </div><div><br></div><div>Following is the error generated with 2 mpi rank and 4 openmp threads. the behavior is same for all other input sets like H2O-64.inp, H20-128.inp H20-256.inp, H20-1024.inp</div><div><br></div><div><br></div><div><div> *******************************************************************************</div><div> * ___ *</div><div> * / *</div><div> *[ABORT] *</div><div> * ___/ Cholesky decomposition failed. Matrix ill conditioned ? *</div><div> * | *</div><div> *O/| / *</div><div> *| | / *</div><div> * /home/amd/cp2k_aocc/cp2k-6.1/src/cp_dbcsr_cholesky.F:121 *</div><div> *******************************************************************************</div><div><br></div><div><br></div><div> ===== Routine Calling Stack =====</div><div><br></div><div> 12 cp_dbcsr_cholesky_decompose</div><div> 11 qs_ot_get_derivative</div><div> 10 ot_mini</div><div> 9 ot_scf_mini</div><div> 8 qs_scf_loop_do_ot</div><div> 7 qs_scf_new_mos</div><div> 6 scf_env_do_scf_inner_loop</div><div> 5 scf_env_do_scf</div><div> 4 qs_energies</div><div> 3 qs_forces</div><div> 2 qs_mol_dyn_low</div><div> 1 CP2K</div></div><div><br></div><div> following are the combinations where the executable work/ dont work</div><div><br></div><div><p class="MsoNormal"><o:p> </o:p></p>
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1184;mso-padding-alt:0in 0in 0in 0in">
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">MPI processes<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">OPENMP threads<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">works/not works<o:p></o:p></span></p>
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<td width="91" nowrap valign="bottom" style="width: 68pt; border-width: 1pt; border-style: solid; border-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">1<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">1<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
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<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">1<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">2<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
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<tr style="mso-yfti-irow:3;height:.2in">
<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">1<o:p></o:p></span></p>
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<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">4<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
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<tr style="mso-yfti-irow:4;height:.2in">
<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">1<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">8<o:p></o:p></span></p>
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<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
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<tr style="mso-yfti-irow:5;height:.2in">
<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">1<o:p></o:p></span></p>
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<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">16<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">1<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">32<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
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<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">1<o:p></o:p></span></p>
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<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">64<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
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<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">2<o:p></o:p></span></p>
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<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">1<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
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<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">2<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">2<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
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<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:red">2<o:p></o:p></span></p>
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<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:red">4<o:p></o:p></span></p>
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<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><font color="#ff0000">not works</font></p>
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<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">2<o:p></o:p></span></p>
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<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">8<o:p></o:p></span></p>
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<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><font color="#000000">not works</font></p>
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<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">2<o:p></o:p></span></p>
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<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">16<o:p></o:p></span></p>
</td>
<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><font color="#000000">not works</font></p>
</td>
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<tr style="mso-yfti-irow:13;height:.2in">
<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">2<o:p></o:p></span></p>
</td>
<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">32<o:p></o:p></span></p>
</td>
<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><font color="#000000">not works</font></p>
</td>
</tr>
<tr style="mso-yfti-irow:14;height:.2in">
<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">2<o:p></o:p></span></p>
</td>
<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">64<o:p></o:p></span></p>
</td>
<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><font color="#000000">not works</font></p>
</td>
</tr>
<tr style="mso-yfti-irow:15;height:.2in">
<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">4<o:p></o:p></span></p>
</td>
<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">1<o:p></o:p></span></p>
</td>
<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow:16;height:.2in">
<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">4<o:p></o:p></span></p>
</td>
<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">2<o:p></o:p></span></p>
</td>
<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow:17;height:.2in">
<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:red">4<o:p></o:p></span></p>
</td>
<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:red">4<o:p></o:p></span></p>
</td>
<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><font color="#ff0000">not works</font></p>
</td>
</tr>
<tr style="mso-yfti-irow:18;height:.2in">
<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">8<o:p></o:p></span></p>
</td>
<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">1<o:p></o:p></span></p>
</td>
<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow:19;height:.2in">
<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">8<o:p></o:p></span></p>
</td>
<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">2<o:p></o:p></span></p>
</td>
<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow:20;height:.2in">
<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">8<o:p></o:p></span></p>
</td>
<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">3<o:p></o:p></span></p>
</td>
<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow:21;height:.2in">
<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:red">8<o:p></o:p></span></p>
</td>
<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:red">4<o:p></o:p></span></p>
</td>
<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><font color="#ff0000">not works</font></p>
</td>
</tr>
<tr style="mso-yfti-irow:22;height:.2in">
<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">16<o:p></o:p></span></p>
</td>
<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">1<o:p></o:p></span></p>
</td>
<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow:23;height:.2in">
<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">16<o:p></o:p></span></p>
</td>
<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">2<o:p></o:p></span></p>
</td>
<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:black">works<o:p></o:p></span></p>
</td>
</tr>
<tr style="mso-yfti-irow:24;mso-yfti-lastrow:yes;height:.2in">
<td width="91" nowrap valign="bottom" style="width: 68pt; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-top-width: initial; border-top-style: none; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:red">16<o:p></o:p></span></p>
</td>
<td width="108" nowrap valign="bottom" style="width: 81pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><span style="color:red">3<o:p></o:p></span></p>
</td>
<td width="147" nowrap valign="bottom" style="width: 110pt; border-top-width: initial; border-style: none solid solid none; border-left-width: initial; border-bottom-width: 1pt; border-bottom-color: windowtext; border-right-width: 1pt; border-right-color: windowtext; padding: 0in 5.4pt; height: 0.2in;">
<p class="MsoNormal" align="center" style="text-align:center"><font color="#ff0000">not works</font></p>
</td>
</tr>
</tbody></table>
<p class="MsoNormal"><o:p> </o:p></p></div><div><br></div><div>what may be the possible reason for this behavior and what may be the right way to debug this issue?. I tried both with openmpi and mpich and both give similar results. The compiler is in house compiler.</div><div><br></div><div>Thanks for your help,</div><div>Shivarama Rao</div></div>