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//------------------------------------------------------------------------------
// Mongoose/Tests/Mongoose_Test_Performance.cpp
//------------------------------------------------------------------------------
// Mongoose Graph Partitioning Library, Copyright (C) 2017-2018,
// Scott P. Kolodziej, Nuri S. Yeralan, Timothy A. Davis, William W. Hager
// Mongoose is licensed under Version 3 of the GNU General Public License.
// Mongoose is also available under other licenses; contact authors for details.
// SPDX-License-Identifier: GPL-3.0-only
//------------------------------------------------------------------------------
#include <string>
#include "Mongoose_IO.hpp"
#include "Mongoose_EdgeCut.hpp"
#include "Mongoose_Test.hpp"
#include <fstream>
using namespace Mongoose;
int runPerformanceTest(const std::string &inputFile, const std::string &outputFile)
{
EdgeCut_Options *options;
Graph *graph;
double t;
options = EdgeCut_Options::create();
if (!options)
{
// Ran out of memory
LogTest("Error creating Options struct in Performance Test");
return EXIT_FAILURE;
}
graph = read_graph(inputFile);
if (!graph)
{
// Ran out of memory
LogTest("Error reading Graph from file in Performance Test");
return EXIT_FAILURE;
}
// An edge separator should be computed with default options
t = SUITESPARSE_TIME;
EdgeCut *result = edge_cut(graph, options);
t = SUITESPARSE_TIME - t;
if (!result)
{
// Error occurred
LogTest("Error computing edge separator in Performance Test");
graph->~Graph();
return EXIT_FAILURE;
}
else
{
double test_time = t ;
LogTest("Total Edge Separator Time: " << test_time << "s");
Logger::printTimingInfo();
LogTest("Cut Properties:");
LogTest(" Cut Cost: " << result->cut_cost);
LogTest(" Imbalance: " << result->imbalance);
if (!outputFile.empty())
{
LogTest("Writing results to file: " << outputFile);
std::ofstream ofs (outputFile.c_str(), std::ofstream::out);
ofs << "{" << std::endl;
ofs << " \"InputFile\": \"" << inputFile << "\"," << std::endl;
ofs << " \"Timing\": {" << std::endl;
ofs << " \"Total\": " << test_time << "," << std::endl;
ofs << " \"Matching\": " << Logger::getTime(MatchingTiming) << "," << std::endl;
ofs << " \"Coarsening\": " << Logger::getTime(CoarseningTiming) << "," << std::endl;
ofs << " \"Refinement\": " << Logger::getTime(RefinementTiming) << "," << std::endl;
ofs << " \"FM\": " << Logger::getTime(FMTiming) << "," << std::endl;
ofs << " \"QP\": " << Logger::getTime(QPTiming) << "," << std::endl;
ofs << " \"IO\": " << Logger::getTime(IOTiming) << std::endl;
ofs << " }," << std::endl;
ofs << " \"CutSize\": " << result->cut_cost << "," << std::endl;
ofs << " \"Imbalance\": " << result->imbalance << std::endl;
ofs << "}" << std::endl;
ofs.close();
}
}
options->~EdgeCut_Options();
graph->~Graph();
result->~EdgeCut();
return EXIT_SUCCESS;
}
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