<div class="gmail_quote">On Fri, Feb 24, 2012 at 11:49, Francis Poulin <span dir="ltr"><<a href="mailto:fpoulin@uwaterloo.ca">fpoulin@uwaterloo.ca</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>I don't seem to have the hydra in my bin folder but I do have petscmpiexec that I've been using.</div></blockquote><div><br></div><div>That's just the name of my mpiexec. Use whichever one is used with your build of PETSc.</div>
<div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im"><div><br><blockquote type="cite"><div class="gmail_quote"><div><br></div><div>Use these, it will run the same method and sizes as the options I gave for ex22 before.</div>
<div><br></div><div>mpiexec.hydra -n 2 ./ex45 -da_grid_x 5 -da_grid_y 5 -da_grid_z 5 -da_refine 5 -ksp_monitor -pc_type mg -mg_levels_ksp_type richardson -mg_levels_pc_type sor -log_summary</div>
<div> </div></div></blockquote></div><br></div><div>Also, I want to install PetSc on an SGI machine that I have access to. I have been told that using MPT would give better performance compared to mpich2. When I configure petsc on this server I don't suppose</div>
<div><br></div><div><div style="word-wrap:break-word"><div><div><span style="color:rgb(255,0,0)">-with-mpi-dir=/opt/sgi/mpt</span></div></div><div><span style="color:rgb(255,0,0)"><br></span></div><div><font color="#ff0000"><span style="color:rgb(0,0,0)"> </span><span style="color:rgb(0,0,0)">the above would work because of the different name. Do you have a suggestion as to what I could try? </span></font></div>
<div></div></div></div></blockquote></div><br><div>It's just the way you launch parallel jobs.</div>