From 453fc857c70a5168eed639545faa903f48e84c9c Mon Sep 17 00:00:00 2001 From: vrouvrea Date: Fri, 18 Jan 2019 14:50:07 +0000 Subject: Add boost graph adjacency benchmark git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/adjacency_list_direction_improvement@4068 636b058d-ea47-450e-bf9e-a15bfbe3eedb Former-commit-id: 6970242e9449e0cab0c03819cd4373335a50c697 --- src/common/benchmark/CMakeLists.txt | 3 + .../Graph_simplicial_complex_benchmark.cpp | 150 +++++++++++++++++++++ 2 files changed, 153 insertions(+) create mode 100644 src/common/benchmark/CMakeLists.txt create mode 100644 src/common/benchmark/Graph_simplicial_complex_benchmark.cpp (limited to 'src/common/benchmark') diff --git a/src/common/benchmark/CMakeLists.txt b/src/common/benchmark/CMakeLists.txt new file mode 100644 index 00000000..a3787d6e --- /dev/null +++ b/src/common/benchmark/CMakeLists.txt @@ -0,0 +1,3 @@ +project(common_benchmark) + +add_executable(Graph_simplicial_complex_benchmark Graph_simplicial_complex_benchmark.cpp) diff --git a/src/common/benchmark/Graph_simplicial_complex_benchmark.cpp b/src/common/benchmark/Graph_simplicial_complex_benchmark.cpp new file mode 100644 index 00000000..825d6cb5 --- /dev/null +++ b/src/common/benchmark/Graph_simplicial_complex_benchmark.cpp @@ -0,0 +1,150 @@ +/* This file is part of the Gudhi Library. The Gudhi library + * (Geometric Understanding in Higher Dimensions) is a generic C++ + * library for computational topology. + * + * Author(s): Vincent Rouvreau + * + * Copyright (C) 2018 Inria + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include +#include +#include +#include +#include + +#include + +#include +#include +#include +#include // for numeric limits +#include +#include + + +std::ofstream results_csv("results.csv"); + +template< typename Adjacency_list, typename ForwardPointRange, typename Distance > +Adjacency_list proximity_graph_computation(const ForwardPointRange& points, double threshold, Distance distance) { + std::vector> edges; + std::vector< double > edges_fil; + std::map< int, double > vertices; + + int idx_u, idx_v; + double fil; + idx_u = 0; + for (auto it_u = points.begin(); it_u != points.end(); ++it_u) { + idx_v = idx_u + 1; + for (auto it_v = it_u + 1; it_v != points.end(); ++it_v, ++idx_v) { + fil = distance(*it_u, *it_v); + if (fil <= threshold) { + edges.emplace_back(idx_u, idx_v); + edges_fil.push_back(fil); + } + } + ++idx_u; + } + + // Points are labeled from 0 to idx_u-1 + Adjacency_list skel_graph(edges.begin(), edges.end(), edges_fil.begin(), idx_u); + + auto vertex_prop = boost::get(Gudhi::vertex_filtration_t(), skel_graph); + + typename boost::graph_traits::vertex_iterator vi, vi_end; + for (std::tie(vi, vi_end) = boost::vertices(skel_graph); + vi != vi_end; ++vi) { + boost::put(vertex_prop, *vi, 0.); + } + + return skel_graph; +} + +template +void benchmark_proximity_graph(const std::string& msg, const std::string& off_file_name) { + Gudhi::Points_off_reader> off_reader(off_file_name); + assert(off_reader.is_valid()); + + std::cout << "+ " << msg << std::endl; + + results_csv << "\"nb_points\";" + << "\"nb_simplices\";" + << "\"compute proximity graph(sec.)\";" + << "\"complex_creation_time(sec.)\";" + << "\"" << msg << "\";" << std::endl; + + Gudhi::Clock pg_compute_proximity_graph(" benchmark_proximity_graph - compute proximity graph"); + pg_compute_proximity_graph.begin(); + // benchmark begin + Adjacency_list proximity_graph = proximity_graph_computation(off_reader.get_point_cloud(), + std::numeric_limits::infinity(), + Gudhi::Euclidean_distance()); + // benchmark end + pg_compute_proximity_graph.end(); + std::cout << pg_compute_proximity_graph; + + Gudhi::Simplex_tree<> complex; + Gudhi::Clock st_create_clock(" benchmark_proximity_graph - complex creation"); + st_create_clock.begin(); + // benchmark begin + complex.insert_graph(proximity_graph); + // benchmark end + st_create_clock.end(); + std::cout << st_create_clock; + + results_csv << off_reader.get_point_cloud().size() << ";" << complex.num_simplices() << ";" + << pg_compute_proximity_graph.num_seconds() << ";" + << st_create_clock.num_seconds() << ";" << std::endl; + + std::cout << " benchmark_proximity_graph - nb simplices = " << complex.num_simplices() << std::endl; +} + +int main(int argc, char * const argv[]) { + std::string off_file_name(argv[1]); + + // The fastest, the less memory used + using vecSdirectedS = boost::adjacency_list, + boost::property>; + benchmark_proximity_graph("vecSdirectedS", off_file_name); + + using vecSundirectedS = boost::adjacency_list, + boost::property>; + benchmark_proximity_graph("vecSundirectedS", off_file_name); + + using vecSbidirectionalS = boost::adjacency_list, + boost::property>; + benchmark_proximity_graph("vecSbidirectionalS", off_file_name); + + using setSdirectedS = boost::adjacency_list, + boost::property>; + benchmark_proximity_graph("setSdirectedS", off_file_name); + + using setSundirectedS = boost::adjacency_list, + boost::property>; + benchmark_proximity_graph("setSundirectedS", off_file_name); + + using setSbidirectionalS = boost::adjacency_list, + boost::property>; + benchmark_proximity_graph("setSbidirectionalS", off_file_name); + + return 0; +} -- cgit v1.2.3