コード例 #1
0
def test_mpi_dependent_jiting():
    # FIXME: Not a proper unit test...
    from dolfin import (Expression, UnitSquareMesh, Function, TestFunction,
                        Form, FunctionSpace, dx, CompiledSubDomain,
                        SubSystemsManager)

    # Init petsc (needed to initalize petsc and slepc collectively on
    # all processes)
    SubSystemsManager.init_petsc()

    try:
        import mpi4py.MPI as mpi
    except ImportError:
        return

    try:
        import petsc4py.PETSc as petsc
    except ImportError:
        return

    # Set communicator and get process information
    comm = mpi.COMM_WORLD
    group = comm.Get_group()
    size = comm.Get_size()

    # Only consider parallel runs
    if size == 1:
        return

    rank = comm.Get_rank()
    group_comm_0 = petsc.Comm(comm.Create(group.Incl(range(1))))
    group_comm_1 = petsc.Comm(comm.Create(group.Incl(range(1, 2))))

    if size > 2:
        group_comm_2 = petsc.Comm(comm.Create(group.Incl(range(2, size))))

    if rank == 0:
        e = Expression("4", mpi_comm=group_comm_0, degree=0)

    elif rank == 1:
        e = Expression("5", mpi_comm=group_comm_1, degree=0)
        assert (e)
        domain = CompiledSubDomain("on_boundary",
                                   mpi_comm=group_comm_1,
                                   degree=0)
        assert (domain)

    else:
        mesh = UnitSquareMesh(group_comm_2, 2, 2)
        V = FunctionSpace(mesh, "P", 1)
        u = Function(V)
        v = TestFunction(V)
        Form(u * v * dx)
コード例 #2
0
ファイル: test_jit.py プロジェクト: live-clones/dolfin
def test_mpi_dependent_jiting():
    # FIXME: Not a proper unit test...
    from dolfin import (Expression, UnitSquareMesh, Function,
                        TestFunction, Form, FunctionSpace, dx, CompiledSubDomain,
                        SubSystemsManager)

    # Init petsc (needed to initalize petsc and slepc collectively on
    # all processes)
    SubSystemsManager.init_petsc()

    try:
        import mpi4py.MPI as mpi
    except:
        return

    try:
        import petsc4py.PETSc as petsc
    except:
        return

    # Set communicator and get process information
    comm = mpi.COMM_WORLD
    group = comm.Get_group()
    size = comm.Get_size()

    # Only consider parallel runs
    if size == 1:
        return

    rank = comm.Get_rank()
    group_comm_0 = petsc.Comm(comm.Create(group.Incl(range(1))))
    group_comm_1 = petsc.Comm(comm.Create(group.Incl(range(1, 2))))

    if size > 2:
        group_comm_2 = petsc.Comm(comm.Create(group.Incl(range(2,size))))

    if rank == 0:
        e = Expression("4", mpi_comm=group_comm_0, degree=0)

    elif rank == 1:
        e = Expression("5", mpi_comm=group_comm_1, degree=0)
        domain = CompiledSubDomain("on_boundary", mpi_comm=group_comm_1,
                                   degree=0)

    else:
        mesh = UnitSquareMesh(group_comm_2, 2, 2)
        V = FunctionSpace(mesh, "P", 1)
        u = Function(V)
        v = TestFunction(V)
        Form(u*v*dx)
コード例 #3
0
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
#    following disclaimer in the documentation and/or other materials provided with the distribution.
#
# 3. The name of the copyright holder(s), any contributors, the United States Government, the United States Department
#    of Energy, or any of their employees may not be used to endorse or promote products derived from this software
#    without specific prior written permission from the respective party.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND ANY CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S), ANY CONTRIBUTORS, THE UNITED STATES GOVERNMENT,
# OR THE UNITED STATES DEPARTMENT OF ENERGY, NOR ANY OF THEIR EMPLOYEES, BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# Error message handling for PETSc
from dolfin import SubSystemsManager
SubSystemsManager.init_petsc()
from petsc4py import PETSc
PETSc.Sys.pushErrorHandler("traceback")
del SubSystemsManager, PETSc

# Import public API
from pfibs.block_preconditioners import *
from pfibs.custom_linear import CustomKrylovSolver
from pfibs.custom_nonlinear import NLP, NS
from pfibs.block_problem import BlockProblem
from pfibs.block_solver import LinearBlockSolver, NonlinearBlockSolver
コード例 #4
0
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with FENaPack.  If not, see <http://www.gnu.org/licenses/>.
"""This is FENaPack, FEniCS Navier-Stokes preconditioning package."""

__author__ = "Jan Blechta, Martin Řehoř"
__version__ = "2019.2.0.dev0"
__license__ = "GNU LGPL v3"

# Do not use petsc4py python error handler (hides error messages
# to PETSc C calls), workaround to DOLFIN issue #801
from dolfin import SubSystemsManager
SubSystemsManager.init_petsc()  # init PETSc by DOLFIN before petsc4py import
from petsc4py import PETSc
PETSc.Sys.pushErrorHandler("traceback")
del SubSystemsManager, PETSc

# Import public API
from fenapack.field_split import PCDKSP, PCDKrylovSolver
from fenapack.assembling import PCDAssembler, PCDForm
from fenapack.nonlinear_solvers import PCDNewtonSolver, PCDNonlinearProblem
from fenapack.preconditioners import PCDPC_BRM1, PCDPC_BRM2
from fenapack.preconditioners import PCDRPC_BRM1, PCDRPC_BRM2
from fenapack.stabilization import StabilizationParameterSD

# Monkey patch dolfin.NewtonSolver in 2018.1.0
from dolfin import NewtonSolver, compile_cpp_code
_cpp = """
コード例 #5
0
ファイル: __init__.py プロジェクト: blechta/fenapack
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with FENaPack.  If not, see <http://www.gnu.org/licenses/>.

"""This is FENaPack, FEniCS Navier-Stokes preconditioning package."""

__author__ = "Jan Blechta, Martin Řehoř"
__version__ = "2018.2.0.dev0"
__license__ = "GNU LGPL v3"

# Do not use petsc4py python error handler (hides error messages
# to PETSc C calls), workaround to DOLFIN issue #801
from dolfin import SubSystemsManager
SubSystemsManager.init_petsc()  # init PETSc by DOLFIN before petsc4py import
from petsc4py import PETSc
PETSc.Sys.pushErrorHandler("traceback")
del SubSystemsManager, PETSc

# Import public API
from fenapack.field_split import PCDKSP, PCDKrylovSolver
from fenapack.assembling import PCDAssembler, PCDForm
from fenapack.nonlinear_solvers import PCDNewtonSolver, PCDNonlinearProblem
from fenapack.preconditioners import PCDPC_BRM1, PCDPC_BRM2
from fenapack.preconditioners import PCDRPC_BRM1, PCDRPC_BRM2
from fenapack.stabilization import StabilizationParameterSD


# Monkey patch dolfin.NewtonSolver in 2018.1.0
from dolfin import NewtonSolver, compile_cpp_code
コード例 #6
0
ファイル: __init__.py プロジェクト: blechta/dolfin-tape
# You should have received a copy of the GNU Lesser General Public License
# along with dolfin-tape. If not, see <http://www.gnu.org/licenses/>.

"""This is dolfin-tape, the DOLFIN tools for a posteriori error estimation."""

__author__ = "Jan Blechta"
__version__ = "2017.1.0.dev0"
__license__ = 'LGPL v3'

# Avoid PETSc being initialized by DOLFIN, which sets some performance
# degrading parameters since e91b4100. This assumes that this module
# is imported before DOLFIN; otherwise the assertion may fail.
# TODO: Test whether it works!
from petsc4py import PETSc
from dolfin import SubSystemsManager
assert not SubSystemsManager.responsible_petsc()
del PETSc, SubSystemsManager

# Reduce DOLFIN logging bloat in parallel
from dolfin import set_log_level, get_log_level, MPI, mpi_comm_world
set_log_level(get_log_level()+(0 if MPI.rank(mpi_comm_world())==0 else 1))
del set_log_level, get_log_level

# Parse command-line options
# FIXME: Automatic parsing temporarily commented out as it disallows parsing
#        our own application specific parameters. Do we need it somewhere?
#from dolfin import parameters
#parameters.parse()

# Enable info_{green,red,blue} on rank 0
import ufl