Hi Matt and Satish, Thank you very much for pointing this out. I almost forgot this. I will pay more attention to -log-summary.
Yan On Wed, Jun 24, 2009 at 6:18 PM, Satish Balay <balay at mcs.anl.gov> wrote: > Have you tried running with -log_summary? > > [I still need to check tau] > > Satish > > On Wed, 24 Jun 2009, Ryan Yan wrote: > > > Hi Satish, > > What I am tring to do is using TAU to profile a solver using PETSc > function > > calls on a Sicortex cluster. Now I am just building on a desktop. > > > > I tried tauex, it can run. But it did not provide me any explicit > profiling > > about PETSc function calls. Instead, it only gave me profiling on the TAU > > application and MPI routines. > > > > I have send email inquiries to TAU developer. They suggestted me rebuild > > PETSc with TAU if I want those profiles on PETSc function calls. > > > > Frankly, I do not have experience with profiling or performance analysis > on > > a solver. Do you have any suggestion or pointers to other source on > doing > > performance analysis for PETSc solvers, considering the option of using > TAU > > may need lots of workarounds when I rebuilt PETSC with TAU on the > cluster. > > > > Thank you very much, > > > > Yan > > > > On Wed, Jun 24, 2009 at 5:52 PM, Satish Balay <balay at mcs.anl.gov> > wrote: > > > > > TAU isn't tested with petsc in the past few years. So thing could be > > > broken. I'll have to check on this. > > > > > > > > > Hi Satish, > > What I am tring to do is using TAU to profile a solver using PETSc > function > > calls on a Sicortex cluster. > > > > I tried tauex, it can run. But it did not provide me any explicit > profiling > > about PETSc function calls. Instead, it just give me an profiling on the > TAU > > application and MPI routines. > > > > I have send inquiryies to TAU developer. They suggestted me rebuild PETSc > > with TAU if I want those profiles on PETSc function calls. > > > > Frankly, I do not have experience with profiling or performance analysis > on > > a solver. Do you have any suggestion on doing performance analysis for > PETSc > > solvers? > > > > > > > > > > > > One comment though.. If you have tau built with mpi - you should use > > > that mpi & wrappers with tau and not use --download-mpich. [but this > > > is also likely broken] > > > > > > Satish > > > > > > On Wed, 24 Jun 2009, Ryan Yan wrote: > > > > > > > Hi all, > > > > I got configuration errors, when I trying to built PETSC with Tau. > > > > Basically, I followed the instruction on the installation webpage of > > > PETSc. > > > > > > > > In the attached file, please find the configure log. > > > > > > > > I do built TAU and PDT seperately, and TAU with mpi and PDT. > > > > > > > > If any more information is needed, please let me know. > > > > > > > > Thanks, > > > > > > > > Yan > > > > > > > > > > > > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20090624/842a10de/attachment-0001.htm>
