<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Thank you very much for your reply. I search in my src/moab/MOABConfig.h file, and I did not find the MOAB_HAVE_MPI. So I think the MOAB on my laptop cannot run in parallel yet.<div class=""><br class=""></div><div class="">I have this from my terminal. <br class=""><div class=""><br class=""></div><div class=""><div class="" style="margin: 0px; font-size: 14px; line-height: normal; font-family: 'Andale Mono'; color: rgb(254, 253, 201); background-color: rgb(0, 0, 0);"><span class="" style="font-variant-ligatures: no-common-ligatures;">dyn-160-39-10-173:moab jiewu$ which mpic++</span></div><div class="" style="margin: 0px; font-size: 14px; line-height: normal; font-family: 'Andale Mono'; color: rgb(254, 253, 201); background-color: rgb(0, 0, 0);"><span class="" style="font-variant-ligatures: no-common-ligatures;">/usr/local/bin/mpic++</span></div><div class=""><span class="" style="font-variant-ligatures: no-common-ligatures;"><br class=""></span></div><div class=""><span class="" style="font-variant-ligatures: no-common-ligatures;">But I cannot get anything by inputing which mpi. So I don’t know where the mpi is in my laptop. </span></div><div class=""><span class="" style="font-variant-ligatures: no-common-ligatures;"><br class=""></span></div><div class=""><div class="" style="margin: 0px; font-size: 14px; line-height: normal; font-family: 'Andale Mono'; color: rgb(254, 253, 201); background-color: rgb(0, 0, 0);"><span class="" style="font-variant-ligatures: no-common-ligatures;">dyn-160-39-10-173:moab jiewu$ which mpi</span></div></div><div class=""><br class=""></div><div class="">I have petsc installed which has mpich, and linking that directory to the MOAB configure option also did not work.</div><div class=""><br class=""></div><div class="">Should I install mpi solely? I am afraid it might conflict with the one installed in petsc.</div><div class=""><br class=""></div><div class="">Is there any method that the mpi could be installed with MOAB automatically, or maybe other proper manner? Thanks a lot!</div><div class=""><br class=""></div><div class="">Best,</div><div class="">Jie</div><div class=""></div></div></div></body></html>