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<div class="">On , 2020Apr18, at 10:32, Satish Balay via petsc-dev <<a href="mailto:petsc-dev@mcs.anl.gov" class="">petsc-dev@mcs.anl.gov</a>> wrote:</div>
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<div class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">I'm
guessing that most installs will have /usr/bin/python as python2 or python3<span class="Apple-converted-space"> </span></span></div>
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<div class="">At TACC we dearly wish we could remove /usr/bin/python but it’s needed at system level.</div>
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<div class="">We install our own python2 & python3 which become available under that name if you load the appropriate module. Our installation links to MKL and has other optimizations, as well as bumpy, scipy, & various other popular packages installed.</div>
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<div class="">My installation script does:</div>
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<div class="">module load python3</div>
<div class="">if [ "${P4P}" -eq 1 ] ; then</div>
<div class=""> export petsc4py="--download-petsc4py=yes --with-python=1 --with-python-exec=python3"</div>
<div class="">fi</div>
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<div class="">FWIW.</div>
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<div class="">V.</div>
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