442 lines
12 KiB
C++
442 lines
12 KiB
C++
#include <mapnik/graphics.hpp>
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#include <mapnik/image_data.hpp>
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#include <mapnik/image_util.hpp>
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#include <mapnik/image_reader.hpp>
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#include <mapnik/util/conversions.hpp>
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// stl
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#include <string>
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#include <iostream>
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#include <fstream>
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#include <sstream>
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#include <cstdio>
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#include <set>
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// boost
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#include <boost/shared_ptr.hpp>
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#include <boost/make_shared.hpp>
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#include <boost/bind.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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static unsigned test_num = 1;
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static bool dry_run = false;
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static std::set<int> test_set;
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typedef process_cpu_clock clock_type;
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typedef clock_type::duration dur;
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template <typename T>
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void benchmark(T test, std::string const& name)
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{
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bool should_run_test = true;
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if (!test_set.empty()) {
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should_run_test = test_set.find(test_num) != test_set.end();
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}
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if (should_run_test) {
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if (!test.validate()) {
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std::clog << "test did not validate: " << name << "\n";
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//throw std::runtime_error(std::string("test did not validate: ") + name);
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}
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if (dry_run) {
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std::clog << test_num << ") " << (test.threads_ ? "threaded -> ": "")
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<< name << "\n";
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} else {
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process_cpu_clock::time_point start;
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dur elapsed;
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if (test.threads_ > 0) {
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boost::thread_group tg;
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for (unsigned i=0;i<test.threads_;++i)
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{
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tg.create_thread(test);
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}
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start = process_cpu_clock::now();
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tg.join_all();
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elapsed = process_cpu_clock::now() - start;
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} else {
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start = process_cpu_clock::now();
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test();
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elapsed = process_cpu_clock::now() - start;
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}
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std::clog << test_num << ") " << (test.threads_ ? "threaded -> ": "")
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<< name << ": "
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<< boost::chrono::duration_cast<milliseconds>(elapsed) << "\n";
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}
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}
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test_num++;
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}
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bool compare_images(std::string const& src_fn,std::string const& dest_fn)
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{
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std::auto_ptr<mapnik::image_reader> reader1(mapnik::get_image_reader(dest_fn,"png"));
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if (!reader1.get())
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{
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throw mapnik::image_reader_exception("Failed to load: " + dest_fn);
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}
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boost::shared_ptr<image_32> image_ptr1 = boost::make_shared<image_32>(reader1->width(),reader1->height());
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reader1->read(0,0,image_ptr1->data());
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std::auto_ptr<mapnik::image_reader> reader2(mapnik::get_image_reader(src_fn,"png"));
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if (!reader2.get())
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{
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throw mapnik::image_reader_exception("Failed to load: " + src_fn);
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}
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boost::shared_ptr<image_32> image_ptr2 = boost::make_shared<image_32>(reader2->width(),reader2->height());
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reader2->read(0,0,image_ptr2->data());
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image_data_32 const& dest = image_ptr1->data();
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image_data_32 const& src = image_ptr2->data();
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unsigned int width = src.width();
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unsigned int height = src.height();
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if ((width != dest.width()) || height != dest.height()) return false;
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for (unsigned int y = 0; y < height; ++y)
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{
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const unsigned int* row_from = src.getRow(y);
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const unsigned int* row_to = dest.getRow(y);
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for (unsigned int x = 0; x < width; ++x)
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{
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if (row_from[x] != row_to[x]) return false;
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}
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}
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return true;
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}
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struct test1
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{
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unsigned iter_;
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unsigned threads_;
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explicit test1(unsigned iterations, unsigned threads=0) :
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iter_(iterations),
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threads_(threads)
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{}
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bool validate()
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{
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return true;
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}
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void operator()()
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{
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mapnik::image_data_32 im(256,256);
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std::string out;
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for (unsigned i=0;i<iter_;++i) {
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out.clear();
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out = mapnik::save_to_string(im,"png");
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}
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}
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};
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struct test2
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{
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unsigned iter_;
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unsigned threads_;
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boost::shared_ptr<image_32> im_;
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explicit test2(unsigned iterations, unsigned threads=0) :
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iter_(iterations),
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threads_(threads),
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im_()
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{
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std::string filename("./benchmark/data/multicolor.png");
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std::auto_ptr<mapnik::image_reader> reader(mapnik::get_image_reader(filename,"png"));
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if (!reader.get())
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{
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throw mapnik::image_reader_exception("Failed to load: " + filename);
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}
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im_ = boost::make_shared<image_32>(reader->width(),reader->height());
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reader->read(0,0,im_->data());
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}
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bool validate()
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{
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std::string expected("./benchmark/data/multicolor-hextree-expected.png");
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std::string actual("./benchmark/data/multicolor-hextree-actual.png");
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mapnik::save_to_file(im_->data(),actual, "png8:m=h");
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return compare_images(actual,expected);
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}
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void operator()()
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{
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std::string out;
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for (unsigned i=0;i<iter_;++i) {
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out.clear();
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out = mapnik::save_to_string(im_->data(),"png8:m=h");
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}
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}
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};
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struct test3
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{
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unsigned iter_;
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unsigned threads_;
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double val_;
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explicit test3(unsigned iterations, unsigned threads=0) :
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iter_(iterations),
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threads_(threads),
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val_(-0.123) {}
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bool validate()
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{
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std::ostringstream s;
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s << val_;
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return (s.str() == "-0.123");
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}
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void operator()()
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{
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std::string out;
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for (unsigned i=0;i<iter_;++i) {
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std::ostringstream s;
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s << val_;
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out = s.str();
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}
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}
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};
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struct test4
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{
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unsigned iter_;
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unsigned threads_;
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double val_;
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explicit test4(unsigned iterations, unsigned threads=0) :
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iter_(iterations),
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threads_(threads),
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val_(-0.123) {}
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bool validate()
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{
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std::string s;
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mapnik::util::to_string(s,val_);
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return (s == "-0.123");
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}
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void operator()()
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{
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std::string out;
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for (unsigned i=0;i<iter_;++i) {
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out.clear();
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mapnik::util::to_string(out,val_);
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}
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}
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};
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struct test5
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{
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unsigned iter_;
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unsigned threads_;
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double val_;
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explicit test5(unsigned iterations, unsigned threads=0) :
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iter_(iterations),
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threads_(threads),
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val_(-0.123) {}
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bool validate()
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{
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std::string s;
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to_string_impl(s,val_);
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return (s == "-0.123");
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}
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bool to_string_impl(std::string &s , double val)
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{
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s.resize(s.capacity());
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while (true)
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{
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size_t n2 = static_cast<size_t>(snprintf(&s[0], s.size()+1, "%g", val_));
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if (n2 <= s.size())
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{
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s.resize(n2);
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break;
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}
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s.resize(n2);
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}
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return true;
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}
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void operator()()
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{
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std::string out;
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for (unsigned i=0;i<iter_;++i)
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{
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out.clear();
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to_string_impl(out , val_);
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}
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}
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};
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#include <mapnik/box2d.hpp>
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#include <mapnik/projection.hpp>
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#include <mapnik/proj_transform.hpp>
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#include <mapnik/well_known_srs.hpp>
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struct test6
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{
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unsigned iter_;
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unsigned threads_;
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std::string src_;
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std::string dest_;
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mapnik::box2d<double> from_;
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mapnik::box2d<double> to_;
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explicit test6(unsigned iterations,
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unsigned threads,
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std::string const& src,
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std::string const& dest,
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mapnik::box2d<double> from,
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mapnik::box2d<double> to) :
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iter_(iterations),
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threads_(threads),
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src_(src),
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dest_(dest),
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from_(from),
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to_(to) {}
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bool validate()
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{
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mapnik::projection src(src_);
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mapnik::projection dest(dest_);
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mapnik::proj_transform tr(src,dest);
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mapnik::box2d<double> bbox = from_;
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if (!tr.forward(bbox)) return false;
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return ((std::fabs(bbox.minx() - to_.minx()) < .5) &&
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(std::fabs(bbox.maxx() - to_.maxx()) < .5) &&
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(std::fabs(bbox.miny() - to_.miny()) < .5) &&
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(std::fabs(bbox.maxy() - to_.maxy()) < .5)
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);
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}
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void operator()()
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{
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mapnik::projection src(src_);
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mapnik::projection dest(dest_);
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mapnik::proj_transform tr(src,dest);
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unsigned count=0;
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for (int i=-180;i<180;i=++i)
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{
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for (int j=-85;j<85;++j)
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{
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mapnik::box2d<double> box(i,j,i,j);
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if (!tr.forward(box)) throw std::runtime_error("could not transform coords");
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++count;
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}
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}
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}
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};
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int main( int argc, char** argv)
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{
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if (argc > 0) {
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for (int i=0;i<argc;++i) {
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std::string opt(argv[i]);
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if (opt == "-d" || opt == "--dry-run") {
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dry_run = true;
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} else if (opt[0] != '-') {
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int arg;
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if (mapnik::util::string2int(opt,arg)) {
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test_set.insert(arg);
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}
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}
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}
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}
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try
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{
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std::cout << "starting benchmark…\n";
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{
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test1 runner(100);
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benchmark(runner,"encoding blank image as png");
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}
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{
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test2 runner(100);
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benchmark(runner,"encoding multicolor image as png8:m=h");
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}
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{
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test1 runner(10,10);
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benchmark(runner,"encoding blank image as png");
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}
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{
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test2 runner(10,10);
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benchmark(runner,"encoding multicolor image as png8:m=h");
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}
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{
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test3 runner(1000000);
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benchmark(runner,"double to string conversion with std::ostringstream");
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}
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{
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test4 runner(1000000);
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benchmark(runner,"double to string conversion with mapnik::util_to_string");
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}
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{
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test5 runner(1000000);
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benchmark(runner,"double to string conversion with snprintf");
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}
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{
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test3 runner(1000000,10);
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benchmark(runner,"double to string conversion with std::ostringstream");
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}
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{
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test4 runner(1000000,10);
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benchmark(runner,"double to string conversion with mapnik::util_to_string");
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}
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{
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test5 runner(1000000,10);
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benchmark(runner,"double to string conversion with snprintf");
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}
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mapnik::box2d<double> from(-180,-80,180,80);
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mapnik::box2d<double> to(-20037508.3427892476,-15538711.0963092316,20037508.3427892476,15538711.0963092316);
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{
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// echo -180 -60 | cs2cs -f "%.10f" +init=epsg:4326 +to +init=epsg:3857
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test6 runner(100000000,100,
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"+init=epsg:4326",
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"+init=epsg:3857",
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from,to);
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benchmark(runner,"lonlat -> merc coord transformation (epsg)");
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}
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{
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test6 runner(100000000,100,
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"+init=epsg:3857",
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"+init=epsg:4326",
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to,from);
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benchmark(runner,"merc -> lonlat coord transformation (epsg)");
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}
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{
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test6 runner(100000000,100,
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"+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs",
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"+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over",
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from,to);
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benchmark(runner,"lonlat -> merc coord transformation (literal)");
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}
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{
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test6 runner(100000000,100,
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"+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over",
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"+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs",
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to,from);
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benchmark(runner,"merc -> lonlat coord transformation (literal)");
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}
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std::cout << "...benchmark done\n";
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return 0;
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}
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catch (std::exception const& ex)
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{
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std::clog << "test error: " << ex.what() << "\n";
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return -1;
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}
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}
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