<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><blockquote type="cite" class="">Do you mean 32-bit/64-bit (pointers) or --with-64-bit-indices=0/1 ? [or do you have --known-64-bit-blas-indices in the mix?]<br class=""></blockquote>Sorry, I mean configuring petsc with —with-64-bit-indices=1 here.<div class=""><br class=""><div class="">
<div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); 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; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div>Best regards,<br class=""><br class="">Jacob Faibussowitsch<br class="">(Jacob Fai - booss - oh - vitch)<br class="">Cell: (312) 694-3391</div></div>
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<div style=""><br class=""><blockquote type="cite" class=""><div class="">On Mar 22, 2020, at 4:24 PM, Satish Balay <<a href="mailto:balay@mcs.anl.gov" class="">balay@mcs.anl.gov</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">Do you mean 32-bit/64-bit (pointers) or --with-64-bit-indices=0/1 ? [or do you have --known-64-bit-blas-indices in the mix?]<br class=""><br class="">Satish<br class=""><br class="">On Sun, 22 Mar 2020, Jacob Faibussowitsch wrote:<br class=""><br class=""><blockquote type="cite" class="">Hello all,<br class=""><br class="">As part of development, I have several arch folders lying around in my PETSC_DIR namely a 32-bit OSX, 64-bit OSX, 32-bit linux with valgrind, 64-bit linux with valgrind, and a 32-bit up to date with current master. All of these have a —download-mpich —download-fblaslapack and hence their own copy of each (so that’s 5 copies of each, plus other duplicated packages im sure). At this stage, even getting the bare minimum of these arches ready for dev work after a rebase/git pull takes decades as package versions, or conf settings change, forcing a rebuild of the same packages multiple times.<br class=""><br class="">My question(s):<br class="">What petsc ./configure options are necessary to change the configuration of each library w.r.t. petsc? i.e. can my 64-bit arches use my 32-bit MPICH/fblaslapack and vice-versa? Does this change when I have —with-debug on or off? If so, what other packages have a similar ability? Is there anywhere in ./configure —help where this kind of information would be documented? <br class=""><br class="">I suspect that this hasn’t been fully explored since its primarily a developer “problem” and not one the average user will run into/care about (since they usually aren’t building petsc multiple times). I’m sure everyone has their own ways of tackling this problem, I’d love to hear them.<br class=""><br class="">Best regards,<br class=""><br class="">Jacob Faibussowitsch<br class="">(Jacob Fai - booss - oh - vitch)<br class="">Cell: (312) 694-3391<br class=""><br class=""><br class=""></blockquote></div></div></blockquote></div><br class=""></div></body></html>