<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Times New Roman; font-size: 12pt; color: #000000'>Hello<br><br>Does the procedure for providing command line options and to obtain profiling data through -log_summary change if there are multiple MPI communicators in a petsc code? <br><br>If so, can somebody point me to information, references on how to provide command line options if there are multiple communicators?<br><br>Thank you<br>Irfan<br><br>-- <br>PhD Candidate<br>G.W. Woodruff School of Mechanical Engineering<br>Georgia Institute of Technology<br>Atlanta, GA (30332)<br></div></body></html>