On Tue, Jun 29, 2010 at 11:16 AM, Anders Logg <l...@simula.no> wrote: > On Tue, Jun 29, 2010 at 11:09:47AM +0200, Johannes Ring wrote: >> I backported this benchmark to 0.9.7 and it ran for over 17 minutes. > > ! > > That's quite a good speedup. :-) > >> On DOLFIN-dev it run for about 55 seconds. Maybe we should reduce >> the >> problem size somewhat before I backport further? > > Sure, but not too much. I think we can improve it further (by a factor > 10 or so) and then it might run too quickly. I also suspect DOLFIN > 0.9.7 to be the slowest (or one of the slowest). > > Try reducing SIZE by a factor 2 or so.
That reduced the runtime to just under nine minutes for 0.9.7 and 33 seconds for bzr tip. I also tried DOLFIN 0.7.3 and it is as slow as 0.9.7. Johannes > -- > Anders > > >> Johannes >> >> On Tue, Jun 29, 2010 at 9:56 AM, <nore...@launchpad.net> wrote: >> > ------------------------------------------------------------ >> > revno: 4824 >> > committer: Anders Logg <l...@simula.no> >> > branch nick: dolfin-dev >> > timestamp: Tue 2010-06-29 09:54:04 +0200 >> > message: >> > Add new benchmark bench/common/progress. Johannes, please backport. >> > added: >> > bench/common/ >> > bench/common/progress/ >> > bench/common/progress/cpp/ >> > bench/common/progress/cpp/SConstruct >> > bench/common/progress/cpp/main.cpp >> > >> > >> > >> > Your team DOLFIN Core Team is subscribed to branch lp:dolfin. >> > To unsubscribe from this branch go to >> > https://code.launchpad.net/~dolfin-core/dolfin/main/+edit-subscription >> > >> > === added directory 'bench/common' >> > === added directory 'bench/common/progress' >> > === added directory 'bench/common/progress/cpp' >> > === added file 'bench/common/progress/cpp/SConstruct' >> > --- bench/common/progress/cpp/SConstruct 1970-01-01 00:00:00 +0000 >> > +++ bench/common/progress/cpp/SConstruct 2010-06-29 07:54:04 +0000 >> > @@ -0,0 +1,14 @@ >> > +import os, commands >> > + >> > +# Get compiler from pkg-config >> > +compiler = commands.getoutput('pkg-config --variable=compiler dolfin') >> > + >> > +# Create a SCons Environment based on the main os environment >> > +env = Environment(ENV=os.environ, CXX=compiler) >> > + >> > +# Get compiler flags from pkg-config >> > +env.ParseConfig('pkg-config --cflags --libs dolfin') >> > + >> > +# Program name >> > +env.Program('bench', 'main.cpp') >> > + >> > >> > === added file 'bench/common/progress/cpp/main.cpp' >> > --- bench/common/progress/cpp/main.cpp 1970-01-01 00:00:00 +0000 >> > +++ bench/common/progress/cpp/main.cpp 2010-06-29 07:54:04 +0000 >> > @@ -0,0 +1,32 @@ >> > +// Copyright (C) 22010 Anders Logg. >> > +// Licensed under the GNU LGPL Version 2.1. >> > +// >> > +// First added: 2010-06-29 >> > +// Last changed: 2010-06-29 >> > + >> > +#include <dolfin.h> >> > + >> > +using namespace dolfin; >> > + >> > +#define NUM_REPS 5 >> > +#define SIZE 1000000000 >> > + >> > +int main(int argc, char* argv[]) >> > +{ >> > + info("Creating progress bar with %d steps (%d repetitions)", >> > + SIZE, NUM_REPS); >> > + >> > + for (int i = 0; i < NUM_REPS; i++) >> > + { >> > + Progress p("Stepping", SIZE); >> > + double sum = 0.0; >> > + for (int j = 0; j < SIZE; j++) >> > + { >> > + sum += 0.1; >> > + p++; >> > + } >> > + dolfin::cout << "sum = " << sum << dolfin::endl; >> > + } >> > + >> > + return 0; >> > +} >> > >> > >> > > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.10 (GNU/Linux) > > iEYEARECAAYFAkwpugAACgkQTuwUCDsYZdHZ4gCfSD8z2tDA+PGLOibSVtqPyDCK > XgcAn14JpK9s1/di+vQwN8kQtUru+xfK > =wVnm > -----END PGP SIGNATURE----- > > _______________________________________________ Mailing list: https://launchpad.net/~dolfin Post to : dolfin@lists.launchpad.net Unsubscribe : https://launchpad.net/~dolfin More help : https://help.launchpad.net/ListHelp
