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 > > > > > > > >
