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Diffstat (limited to 'extern/ceres/internal/ceres/generate_template_specializations.py')
| -rw-r--r-- | extern/ceres/internal/ceres/generate_template_specializations.py | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/extern/ceres/internal/ceres/generate_template_specializations.py b/extern/ceres/internal/ceres/generate_template_specializations.py deleted file mode 100644 index 74e46c28b78..00000000000 --- a/extern/ceres/internal/ceres/generate_template_specializations.py +++ /dev/null @@ -1,246 +0,0 @@ -# Ceres Solver - A fast non-linear least squares minimizer -# Copyright 2015 Google Inc. All rights reserved. -# http://ceres-solver.org/ -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions are met: -# -# * Redistributions of source code must retain the above copyright notice, -# this list of conditions and the following disclaimer. -# * 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. -# * Neither the name of Google Inc. nor the names of its contributors may be -# used to endorse or promote products derived from this software without -# specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 OWNER OR CONTRIBUTORS 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. -# -# Author: sameeragarwal@google.com (Sameer Agarwal) -# -# Script for explicitly generating template specialization of the -# SchurEliminator class. It is a rather large class -# and the number of explicit instantiations is also large. Explicitly -# generating these instantiations in separate .cc files breaks the -# compilation into separate compilation unit rather than one large cc -# file which takes 2+GB of RAM to compile. -# -# This script creates three sets of files. -# -# 1. schur_eliminator_x_x_x.cc and partitioned_matrix_view_x_x_x.cc -# where, the x indicates the template parameters and -# -# 2. schur_eliminator.cc & partitioned_matrix_view.cc -# -# that contains a factory function for instantiating these classes -# based on runtime parameters. -# -# 3. schur_templates.cc -# -# that contains a function which can be queried to determine what -# template specializations are available. -# -# The following list of tuples, specializations indicates the set of -# specializations that is generated. -SPECIALIZATIONS = [(2, 2, 2), - (2, 2, 3), - (2, 2, 4), - (2, 2, "Eigen::Dynamic"), - (2, 3, 3), - (2, 3, 4), - (2, 3, 6), - (2, 3, 9), - (2, 3, "Eigen::Dynamic"), - (2, 4, 3), - (2, 4, 4), - (2, 4, 6), - (2, 4, 8), - (2, 4, 9), - (2, 4, "Eigen::Dynamic"), - (2, "Eigen::Dynamic", "Eigen::Dynamic"), - (3, 3, 3), - (4, 4, 2), - (4, 4, 3), - (4, 4, 4), - (4, 4, "Eigen::Dynamic")] - -import schur_eliminator_template -import partitioned_matrix_view_template -import os -import glob - -def SuffixForSize(size): - if size == "Eigen::Dynamic": - return "d" - return str(size) - -def SpecializationFilename(prefix, row_block_size, e_block_size, f_block_size): - return "_".join([prefix] + map(SuffixForSize, (row_block_size, - e_block_size, - f_block_size))) - -def GenerateFactoryConditional(row_block_size, e_block_size, f_block_size): - conditionals = [] - if (row_block_size != "Eigen::Dynamic"): - conditionals.append("(options.row_block_size == %s)" % row_block_size) - if (e_block_size != "Eigen::Dynamic"): - conditionals.append("(options.e_block_size == %s)" % e_block_size) - if (f_block_size != "Eigen::Dynamic"): - conditionals.append("(options.f_block_size == %s)" % f_block_size) - if (len(conditionals) == 0): - return "%s" - - if (len(conditionals) == 1): - return " if " + conditionals[0] + " {\n %s\n }\n" - - return " if (" + " &&\n ".join(conditionals) + ") {\n %s\n }\n" - -def Specialize(name, data): - """ - Generate specialization code and the conditionals to instantiate it. - """ - - # Specialization files - for row_block_size, e_block_size, f_block_size in SPECIALIZATIONS: - output = SpecializationFilename("generated/" + name, - row_block_size, - e_block_size, - f_block_size) + ".cc" - - with open(output, "w") as f: - f.write(data["HEADER"]) - f.write(data["SPECIALIZATION_FILE"] % - (row_block_size, e_block_size, f_block_size)) - - # Generate the _d_d_d specialization. - output = SpecializationFilename("generated/" + name, - "Eigen::Dynamic", - "Eigen::Dynamic", - "Eigen::Dynamic") + ".cc" - with open(output, "w") as f: - f.write(data["HEADER"]) - f.write(data["DYNAMIC_FILE"] % - ("Eigen::Dynamic", "Eigen::Dynamic", "Eigen::Dynamic")) - - # Factory - with open(name + ".cc", "w") as f: - f.write(data["HEADER"]) - f.write(data["FACTORY_FILE_HEADER"]) - for row_block_size, e_block_size, f_block_size in SPECIALIZATIONS: - factory_conditional = GenerateFactoryConditional( - row_block_size, e_block_size, f_block_size) - factory = data["FACTORY"] % (row_block_size, e_block_size, f_block_size) - f.write(factory_conditional % factory); - f.write(data["FACTORY_FOOTER"]) - -QUERY_HEADER = """// Ceres Solver - A fast non-linear least squares minimizer -// Copyright 2017 Google Inc. All rights reserved. -// http://ceres-solver.org/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are met: -// -// * Redistributions of source code must retain the above copyright notice, -// this list of conditions and the following disclaimer. -// * 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. -// * Neither the name of Google Inc. nor the names of its contributors may be -// used to endorse or promote products derived from this software without -// specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 OWNER OR CONTRIBUTORS 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. -// -// Author: sameeragarwal@google.com (Sameer Agarwal) -// -// What template specializations are available. -// -// ======================================== -// THIS FILE IS AUTOGENERATED. DO NOT EDIT. -// THIS FILE IS AUTOGENERATED. DO NOT EDIT. -// THIS FILE IS AUTOGENERATED. DO NOT EDIT. -// THIS FILE IS AUTOGENERATED. DO NOT EDIT. -//========================================= -// -// This file is generated using generate_template_specializations.py. -""" - -QUERY_FILE_HEADER = """ -#include "ceres/internal/eigen.h" -#include "ceres/schur_templates.h" - -namespace ceres { -namespace internal { - -void GetBestSchurTemplateSpecialization(int* row_block_size, - int* e_block_size, - int* f_block_size) { - LinearSolver::Options options; - options.row_block_size = *row_block_size; - options.e_block_size = *e_block_size; - options.f_block_size = *f_block_size; - *row_block_size = Eigen::Dynamic; - *e_block_size = Eigen::Dynamic; - *f_block_size = Eigen::Dynamic; -#ifndef CERES_RESTRICT_SCHUR_SPECIALIZATION -""" - -QUERY_FOOTER = """ -#endif - return; -} - -} // namespace internal -} // namespace ceres -""" - -QUERY_ACTION = """ *row_block_size = %s; - *e_block_size = %s; - *f_block_size = %s; - return;""" - -def GenerateQueryFile(): - """ - Generate file that allows querying for available template specializations. - """ - - with open("schur_templates.cc", "w") as f: - f.write(QUERY_HEADER) - f.write(QUERY_FILE_HEADER) - for row_block_size, e_block_size, f_block_size in SPECIALIZATIONS: - factory_conditional = GenerateFactoryConditional( - row_block_size, e_block_size, f_block_size) - action = QUERY_ACTION % (row_block_size, e_block_size, f_block_size) - f.write(factory_conditional % action) - f.write(QUERY_FOOTER) - - -if __name__ == "__main__": - for f in glob.glob("generated/*"): - os.remove(f) - - Specialize("schur_eliminator", - schur_eliminator_template.__dict__) - Specialize("partitioned_matrix_view", - partitioned_matrix_view_template.__dict__) - GenerateQueryFile() |