You may find these two articles by Jeff Squyres useful: MPI: Debugging in Parallel (in Parallel) http://www.clustermonkey.net//content/view/60/28/ MPI: Debugging -- Can You Hear Me Now? http://www.clustermonkey.net//content/view/59/28/
-- Doug > Hello All, > I am developing my parallel CFD code on a small cluster. My system has > openmpi installed based on gfortran compiler. Please guide me > follwing: > > (1) Which debugger would be easy and effective to use for above? > > (2) Which of the folliwng two ways of using arrays is more efficient > with respect to memory and function-call-overheads or other overheads: > (i) We should keep the arrays ALLOCATABLE and then > before return from the subroutines, DEALLOCATE the local arrays. > or (ii) We should keep the local arrays fix-sized as > much as we can. (Will the memory is deallaocated/freed automatically > on return from the subroutine?). > > Thanks. > with best regards, > Amjad Ali. > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > believed to be clean. > -- Doug -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
