49 lines
2 KiB
C++
49 lines
2 KiB
C++
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#include <mapnik/geometry.hpp>
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#include <mapnik/wkt/wkt_factory.hpp>
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#define BOOST_CHRONO_HEADER_ONLY
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#include <boost/chrono/process_cpu_clocks.hpp>
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#include <boost/chrono.hpp>
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#include <boost/thread/thread.hpp>
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using namespace boost::chrono;
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using namespace mapnik;
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void threaded_benchmark(void test(),std::string const& name, unsigned threads) {
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using namespace boost::chrono;
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typedef process_cpu_clock clock_type;
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process_real_cpu_clock::time_point start = process_real_cpu_clock::now();
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boost::thread_group threads;
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for (unsigned i=0;i<threads;++i)
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{
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threads.create_thread(test);
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}
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threads.join_all();
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clock_type::duration elapsed = process_real_cpu_clock::now() - start;
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std::clog << boost::chrono::duration_cast<milliseconds>(elapsed)
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<< " (" << boost::chrono::duration_cast<seconds>(elapsed) << ")"
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<< " <-- " << name << "\n";
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}
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void test_wkt_creation()
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{
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boost::ptr_vector<mapnik::geometry_type> paths;
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mapnik::wkt_parser parse_wkt;
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std::string value("GEOMETRYCOLLECTION(MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)),((20 35, 45 20, 30 5, 10 10, 10 30, 20 35),(30 20, 20 25, 20 15, 30 20))),POINT(2 3),LINESTRING(2 3,3 4),MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)),((20 35, 45 20, 30 5, 10 10, 10 30, 20 35),(30 20, 20 25, 20 15, 30 20))),MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)),((20 35, 45 20, 30 5, 10 10, 10 30, 20 35),(30 20, 20 25, 20 15, 30 20))),MULTIPOLYGON (((40 40, 20 45, 45 30, 40 40)),((20 35, 45 20, 30 5, 10 10, 10 30, 20 35),(30 20, 20 25, 20 15, 30 20))))");
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if (!parse_wkt.parse(value, paths)) std::clog << "failed to parse\n";
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int iterations = 10000;
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typedef process_cpu_clock clock_type;
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process_real_cpu_clock::time_point start = process_real_cpu_clock::now();
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for (int i=0;i<iterations;++i) {
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parse_wkt.parse(value, paths);
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}
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clock_type::duration elapsed = process_real_cpu_clock::now() - start;
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std::clog << "elapsed: " << boost::chrono::duration_cast<milliseconds>(elapsed) << "\n";
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}
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int main( int, char*[] )
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{
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return 0;
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}
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