From f0e5c0b2bca7c531d44777c6e3047cec57191863 Mon Sep 17 00:00:00 2001 From: kronbichler Date: Wed, 17 Apr 2013 16:49:10 +0000 Subject: [PATCH] Another attempt to harmonize output across different systems. git-svn-id: https://svn.dealii.org/trunk@29317 0785d39b-7218-0410-832d-ea1e28bc413d --- .../estimate_condition_number_mass.cc | 58 +++++++++++-------- .../cmp/generic | 38 ++++++------ 2 files changed, 54 insertions(+), 42 deletions(-) diff --git a/tests/matrix_free/estimate_condition_number_mass.cc b/tests/matrix_free/estimate_condition_number_mass.cc index f3761d5f13..6b75e1bc90 100644 --- a/tests/matrix_free/estimate_condition_number_mass.cc +++ b/tests/matrix_free/estimate_condition_number_mass.cc @@ -82,7 +82,8 @@ private: template -void test (const FiniteElement &fe) +void test (const FiniteElement &fe, + const unsigned int n_iterations) { typedef double number; @@ -101,7 +102,7 @@ void test (const FiniteElement &fe) { const QGauss<1> quad (fe_degree+1); typename MatrixFree::AdditionalData data; - data.tasks_block_size = 2; + data.tasks_block_size = 8/VectorizedArray::n_array_elements; mf_data.reinit (dof, constraints, quad, data); } @@ -111,11 +112,21 @@ void test (const FiniteElement &fe) VectorTools::create_right_hand_side(dof, QGauss(fe_degree+1), Functions::CosineFunction(), in); - SolverControl control(10000, 1e-9*in.l2_norm()); + // prescribe number of iterations in CG instead of tolerance. This is needed + // to get the same test output on different platforms where roundoff errors + // accumulate differently. Beware of this strange solver setting when seeing + // "failure" in the output + SolverControl control(n_iterations, 0); typename SolverCG<>::AdditionalData data; data.compute_condition_number = true; SolverCG<> solver(control,data); - solver.solve(mf, out, in, PreconditionIdentity()); + try + { + solver.solve(mf, out, in, PreconditionIdentity()); + } + catch (...) + { + } deallog << std::endl; } @@ -128,29 +139,30 @@ int main () deallog << std::setprecision (2); { + // iterations taken from results at tolerance 1e-9 deallog.threshold_double(1.e-9); deallog.push("2d"); - test<2,1>(FE_Q<2>(1)); - test<2,1>(FE_DGQ<2>(1)); - test<2,2>(FE_Q<2>(2)); - test<2,2>(FE_DGQ<2>(2)); - test<2,4>(FE_Q<2>(4)); - test<2,4>(FE_Q<2>(QGaussLobatto<1>(5))); - test<2,4>(FE_DGQ<2>(4)); - test<2,4>(FE_Q_Hierarchical<2>(4)); - test<2,6>(FE_Q<2>(6)); - test<2,6>(FE_Q<2>(QGaussLobatto<1>(7))); - test<2,6>(FE_DGQ<2>(6)); - test<2,6>(FE_DGQArbitraryNodes<2>(QGaussLobatto<1>(7))); - test<2,10>(FE_Q<2>(10)); - test<2,10>(FE_Q<2>(QGaussLobatto<1>(11))); - test<2,16>(FE_Q<2>(QGaussLobatto<1>(17))); + test<2,1>(FE_Q<2>(1), 15); + test<2,1>(FE_DGQ<2>(1), 3); + test<2,2>(FE_Q<2>(2), 34); + test<2,2>(FE_DGQ<2>(2), 6); + test<2,4>(FE_Q<2>(4), 75); + test<2,4>(FE_Q<2>(QGaussLobatto<1>(5)), 56); + test<2,4>(FE_DGQ<2>(4), 18); + test<2,4>(FE_Q_Hierarchical<2>(4), 736); + test<2,6>(FE_Q<2>(6), 161); + test<2,6>(FE_Q<2>(QGaussLobatto<1>(7)), 77); + test<2,6>(FE_DGQ<2>(6), 38); + test<2,6>(FE_DGQArbitraryNodes<2>(QGaussLobatto<1>(7)), 32); + test<2,10>(FE_Q<2>(10), 782); + test<2,10>(FE_Q<2>(QGaussLobatto<1>(11)), 108); + test<2,16>(FE_Q<2>(QGaussLobatto<1>(17)), 156); deallog.pop(); deallog.push("3d"); - test<3,1>(FE_Q<3>(1)); - test<3,2>(FE_Q<3>(2)); - test<3,5>(FE_Q<3>(5)); - test<3,5>(FE_Q<3>(QGaussLobatto<1>(6))); + test<3,1>(FE_Q<3>(1), 37); + test<3,2>(FE_Q<3>(2), 80); + test<3,5>(FE_Q<3>(5), 494); + test<3,5>(FE_Q<3>(QGaussLobatto<1>(6)), 187); deallog.pop(); } } diff --git a/tests/matrix_free/estimate_condition_number_mass/cmp/generic b/tests/matrix_free/estimate_condition_number_mass/cmp/generic index d2da6a3304..d18d8ad3ee 100644 --- a/tests/matrix_free/estimate_condition_number_mass/cmp/generic +++ b/tests/matrix_free/estimate_condition_number_mass/cmp/generic @@ -1,96 +1,96 @@ DEAL:2d::Testing FE_Q<2>(1) DEAL:2d:cg::Starting value 0.11 -DEAL:2d:cg::Convergence step 15 value 0 +DEAL:2d:cg::Failure step 15 value 0 DEAL:2d:cg::Condition number estimate: 15. DEAL:2d:: DEAL:2d::Testing FE_DGQ<2>(1) DEAL:2d:cg::Starting value 0.062 -DEAL:2d:cg::Convergence step 3 value 0 +DEAL:2d:cg::Failure step 3 value 0 DEAL:2d:cg::Condition number estimate: 3.0 DEAL:2d:: DEAL:2d::Testing FE_Q<2>(2) DEAL:2d:cg::Starting value 0.067 -DEAL:2d:cg::Convergence step 34 value 0 +DEAL:2d:cg::Failure step 34 value 0 DEAL:2d:cg::Condition number estimate: 30. DEAL:2d:: DEAL:2d::Testing FE_DGQ<2>(2) DEAL:2d:cg::Starting value 0.062 -DEAL:2d:cg::Convergence step 6 value 0 +DEAL:2d:cg::Failure step 6 value 0 DEAL:2d:cg::Condition number estimate: 45. DEAL:2d:: DEAL:2d::Testing FE_Q<2>(4) DEAL:2d:cg::Starting value 0.036 -DEAL:2d:cg::Convergence step 75 value 0 +DEAL:2d:cg::Failure step 75 value 0 DEAL:2d:cg::Condition number estimate: 1.5e+02 DEAL:2d:: DEAL:2d::Testing FE_Q<2>(QGaussLobatto(5)) DEAL:2d:cg::Starting value 0.035 -DEAL:2d:cg::Convergence step 56 value 0 +DEAL:2d:cg::Failure step 56 value 0 DEAL:2d:cg::Condition number estimate: 75. DEAL:2d:: DEAL:2d::Testing FE_DGQ<2>(4) DEAL:2d:cg::Starting value 0.035 -DEAL:2d:cg::Convergence step 18 value 0 +DEAL:2d:cg::Failure step 18 value 0 DEAL:2d:cg::Condition number estimate: 2.0e+02 DEAL:2d:: DEAL:2d::Testing FE_Q_Hierarchical<2>(4) DEAL:2d:cg::Starting value 0.24 -DEAL:2d:cg::Convergence step 736 value 0 +DEAL:2d:cg::Failure step 736 value 0 DEAL:2d:cg::Condition number estimate: 4.2e+05 DEAL:2d:: DEAL:2d::Testing FE_Q<2>(6) DEAL:2d:cg::Starting value 0.031 -DEAL:2d:cg::Convergence step 161 value 0 +DEAL:2d:cg::Failure step 161 value 0 DEAL:2d:cg::Condition number estimate: 1.6e+03 DEAL:2d:: DEAL:2d::Testing FE_Q<2>(QGaussLobatto(7)) DEAL:2d:cg::Starting value 0.024 -DEAL:2d:cg::Convergence step 77 value 0 +DEAL:2d:cg::Failure step 77 value 0 DEAL:2d:cg::Condition number estimate: 1.4e+02 DEAL:2d:: DEAL:2d::Testing FE_DGQ<2>(6) DEAL:2d:cg::Starting value 0.030 -DEAL:2d:cg::Convergence step 38 value 0 +DEAL:2d:cg::Failure step 38 value 0 DEAL:2d:cg::Condition number estimate: 2.0e+03 DEAL:2d:: DEAL:2d::Testing FE_DGQArbitraryNodes<2>(QGaussLobatto(7)) DEAL:2d:cg::Starting value 0.024 -DEAL:2d:cg::Convergence step 32 value 0 +DEAL:2d:cg::Failure step 32 value 0 DEAL:2d:cg::Condition number estimate: 1.9e+02 DEAL:2d:: DEAL:2d::Testing FE_Q<2>(10) DEAL:2d:cg::Starting value 0.17 -DEAL:2d:cg::Convergence step 782 value 0 +DEAL:2d:cg::Failure step 782 value 0 DEAL:2d:cg::Condition number estimate: 2.2e+06 DEAL:2d:: DEAL:2d::Testing FE_Q<2>(QGaussLobatto(11)) DEAL:2d:cg::Starting value 0.015 -DEAL:2d:cg::Convergence step 108 value 0 +DEAL:2d:cg::Failure step 108 value 0 DEAL:2d:cg::Condition number estimate: 3.3e+02 DEAL:2d:: DEAL:2d::Testing FE_Q<2>(QGaussLobatto(17)) DEAL:2d:cg::Starting value 0.0094 -DEAL:2d:cg::Convergence step 156 value 0 +DEAL:2d:cg::Failure step 156 value 0 DEAL:2d:cg::Condition number estimate: 7.6e+02 DEAL:2d:: DEAL:3d::Testing FE_Q<3>(1) DEAL:3d:cg::Starting value 0.035 -DEAL:3d:cg::Convergence step 37 value 0 +DEAL:3d:cg::Failure step 37 value 0 DEAL:3d:cg::Condition number estimate: 58. DEAL:3d:: DEAL:3d::Testing FE_Q<3>(2) DEAL:3d:cg::Starting value 0.018 -DEAL:3d:cg::Convergence step 80 value 0 +DEAL:3d:cg::Failure step 80 value 0 DEAL:3d:cg::Condition number estimate: 1.6e+02 DEAL:3d:: DEAL:3d::Testing FE_Q<3>(5) DEAL:3d:cg::Starting value 0.0043 -DEAL:3d:cg::Convergence step 494 value 0 +DEAL:3d:cg::Failure step 494 value 0 DEAL:3d:cg::Condition number estimate: 8.9e+03 DEAL:3d:: DEAL:3d::Testing FE_Q<3>(QGaussLobatto(6)) DEAL:3d:cg::Starting value 0.0049 -DEAL:3d:cg::Convergence step 187 value 0 +DEAL:3d:cg::Failure step 187 value 0 DEAL:3d:cg::Condition number estimate: 1.1e+03 DEAL:3d:: -- 2.39.5