Re: [Libmesh-users] Problems in running time

2014-09-12 Thread John Peterson
On Fri, Sep 12, 2014 at 11:11 AM, Jed Brown wrote: > Rodrigo Broggi writes: > >> Hey, I've copied the files from the site and normally run them ( without >> mpi) these are the results: > > You have to compare to parallel execution, either with threads or MPI > processes. The version in the PETSc

Re: [Libmesh-users] Problems in running time

2014-09-12 Thread Rodrigo Broggi
Hey, I've copied the files from the site and normally run them ( without mpi) these are the results: - STREAM version $Revision: 5.10 $ - This system uses 8 bytes per array eleme

Re: [Libmesh-users] Problems in running time

2014-09-12 Thread John Peterson
On Fri, Sep 12, 2014 at 10:45 AM, Paul T. Bauman wrote: > OPENMP/GOTOBLAS/OPENBLAS_NUM_THREADS=1? Oh... yeah, so I download fblaslapack from http://ftp.mcs.anl.gov/pub/petsc/externalpackages/fblaslapack-3.4.2.tar.gz If the output of PETSc's 'make streams' depends strongly on BLAS, that's probabl

Re: [Libmesh-users] Problems in running time

2014-09-12 Thread Paul T. Bauman
OPENMP/GOTOBLAS/OPENBLAS_NUM_THREADS=1? Also, waiting for Jed's laughing. On Fri, Sep 12, 2014 at 12:39 PM, John Peterson wrote: > On Fri, Sep 12, 2014 at 10:29 AM, Jed Brown wrote: > > Rodrigo Broggi writes: > >> Jed, > >> I've installed PETSc through Ubuntu Software Center so there is no >

Re: [Libmesh-users] Problems in running time

2014-09-12 Thread John Peterson
On Fri, Sep 12, 2014 at 10:29 AM, Jed Brown wrote: > Rodrigo Broggi writes: >> Jed, >> I've installed PETSc through Ubuntu Software Center so there is no Makefile >> in my PETSC_DIR (or I am looking for in the wrong directory), and this is >> why I can't run the "make streams" command. > > Okay,

Re: [Libmesh-users] Problems in running time

2014-09-12 Thread Rodrigo Broggi
Ok, so: Jed, I've installed PETSc through Ubuntu Software Center so there is no Makefile in my PETSC_DIR (or I am looking for in the wrong directory), and this is why I can't run the "make streams" command. John, I think my code is running in parallel cause when I put the "cout" command using 4

Re: [Libmesh-users] Problems in running time

2014-09-12 Thread John Peterson
On Fri, Sep 12, 2014 at 1:56 AM, Rodrigo Broggi wrote: > Hi guys, > > I have a problem in the execution of my program: > > For some reason I get the same running time in linear system.solve function > if i make it run with 1, 2, 3 or 4 processors, PETSc is installed and it > was recognized when I

[Libmesh-users] Problems in running time

2014-09-12 Thread Rodrigo Broggi
Hi guys, I have a problem in the execution of my program: For some reason I get the same running time in linear system.solve function if i make it run with 1, 2, 3 or 4 processors, PETSc is installed and it was recognized when I had installed libmesh, Other process does run in parallel but not th