Source code for ffc.optimization

# -*- coding: utf-8 -*-

# Copyright (C) 2009-2017 Anders Logg
#
# This file is part of FFC.
#
# FFC is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# FFC is distributed in the hope that it will be useful,
# 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 FFC. If not, see <http://www.gnu.org/licenses/>.
#
# Modified by Martin Sandve Aln├Žs, 2013

"""
Compiler stage 5: optimization
------------------------------

This module implements the optimization of an intermediate code
representation.
"""

# FFC modules
from ffc.log import info, begin, end
from ffc.representation import pick_representation


[docs]def optimize_ir(ir, parameters): "Optimize intermediate form representation." begin("Compiler stage 3: Optimizing intermediate representation") # Extract representations ir_elements, ir_dofmaps, ir_coordinate_mappings, ir_integrals, ir_forms = ir # Check if optimization is requested if not any(ir["integrals_metadata"]["optimize"] for ir in ir_integrals): info(r"Skipping optimizations, add -O or attach {'optimize': True} " "metadata to integrals") # Call on every bunch of integrals wich are compiled together oir_integrals = [_optimize_integral_ir(ir, parameters) if ir["integrals_metadata"]["optimize"] else ir for ir in ir_integrals] end()
return ir_elements, ir_dofmaps, ir_coordinate_mappings, oir_integrals, ir_forms def _optimize_integral_ir(ir, parameters): "Compute optimized intermediate represention of integral." r = pick_representation(ir["representation"]) return r.optimize_integral_ir(ir, parameters)