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+ make benchmark tests copyable and avoid sharing state between threads

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+ add polygon_clipper test
This commit is contained in:
artemp 2013-03-14 09:30:41 +00:00
parent 50b8386dd8
commit 1521817378
1 changed files with 99 additions and 26 deletions
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111
benchmark/run.cpp
View file

@ -18,7 +18,6 @@
#include <boost/shared_ptr.hpp>
#include <boost/make_shared.hpp>
#include <boost/bind.hpp>
#include <boost/function.hpp>
#define BOOST_CHRONO_HEADER_ONLY
#include <boost/chrono/process_cpu_clocks.hpp>
@ -40,32 +39,40 @@ void benchmark(T & test_runner, std::string const& name)
{
try {
bool should_run_test = true;
if (!test_set.empty()) {
if (!test_set.empty())
{
should_run_test = test_set.find(test_num) != test_set.end();
}
if (should_run_test || dry_run) {
if (!test_runner.validate()) {
if (should_run_test || dry_run)
{
if (!test_runner.validate())
{
std::clog << "test did not validate: " << name << "\n";
//throw std::runtime_error(std::string("test did not validate: ") + name);
}
if (dry_run) {
if (dry_run)
{
std::clog << test_num << ") " << (test_runner.threads_ ? "threaded -> ": "")
<< name << "\n";
} else {
}
else
{
process_cpu_clock::time_point start;
dur elapsed;
if (test_runner.threads_ > 0) {
if (test_runner.threads_ > 0)
{
boost::thread_group tg;
for (unsigned i=0;i<test_runner.threads_;++i)
{
boost::function<void()> _p;
_p = boost::bind(&T::operator(),&test_runner);
tg.create_thread(_p);
tg.create_thread(test_runner);
//tg.create_thread(boost::bind(&T::operator(),&test_runner));
}
start = process_cpu_clock::now();
tg.join_all();
elapsed = process_cpu_clock::now() - start;
} else {
}
else
{
start = process_cpu_clock::now();
test_runner();
elapsed = process_cpu_clock::now() - start;
@ -75,7 +82,9 @@ void benchmark(T & test_runner, std::string const& name)
<< boost::chrono::duration_cast<milliseconds>(elapsed) << "\n";
}
}
} catch (std::exception const& ex) {
}
catch (std::exception const& ex)
{
std::clog << "test runner did not complete: " << ex.what() << "\n";
}
test_num++;
@ -594,6 +603,7 @@ struct test10
}
};
#include <mapnik/wkt/wkt_factory.hpp>
#include "agg_conv_clipper.h"
#include "agg_path_storage.h"
@ -603,20 +613,18 @@ struct test11
{
unsigned iter_;
unsigned threads_;
boost::ptr_vector<geometry_type> paths_;
std::string wkt_in_;
mapnik::box2d<double> extent_;
typedef agg::conv_clipper<mapnik::geometry_type, agg::path_storage> poly_clipper;
explicit test11(unsigned iterations,
test11(unsigned iterations,
unsigned threads,
std::string wkt_in,
mapnik::box2d<double> const& extent)
: iter_(iterations),
threads_(threads),
wkt_in_(wkt_in),
extent_(extent) {
if (!mapnik::from_wkt(wkt_in, paths_))
{
throw std::runtime_error("Failed to parse WKT");
}
}
bool validate()
@ -625,6 +633,11 @@ struct test11
}
void operator()()
{
boost::ptr_vector<geometry_type> paths;
if (!mapnik::from_wkt(wkt_in_, paths))
{
throw std::runtime_error("Failed to parse WKT");
}
agg::path_storage ps;
ps.move_to(extent_.minx(), extent_.miny());
ps.line_to(extent_.minx(), extent_.maxy());
@ -632,7 +645,7 @@ struct test11
ps.line_to(extent_.maxx(), extent_.miny());
ps.close_polygon();
for (unsigned i=0;i<iter_;++i) {
BOOST_FOREACH( geometry_type & geom, paths_)
BOOST_FOREACH( geometry_type & geom, paths)
{
poly_clipper clipped(geom,ps,
agg::clipper_and,
@ -648,6 +661,51 @@ struct test11
}
};
#include <mapnik/polygon_clipper.hpp>
struct test12
{
unsigned iter_;
unsigned threads_;
std::string wkt_in_;
mapnik::box2d<double> extent_;
typedef mapnik::polygon_clipper<mapnik::geometry_type> poly_clipper;
test12(unsigned iterations,
unsigned threads,
std::string wkt_in,
mapnik::box2d<double> const& extent)
: iter_(iterations),
threads_(threads),
wkt_in_(wkt_in),
extent_(extent)
{
}
bool validate()
{
return true;
}
void operator()()
{
boost::ptr_vector<geometry_type> paths;
if (!mapnik::from_wkt(wkt_in_, paths))
{
throw std::runtime_error("Failed to parse WKT");
}
for (unsigned i=0;i<iter_;++i)
{
BOOST_FOREACH( geometry_type & geom, paths)
{
poly_clipper clipped(extent_, geom);
unsigned cmd;
double x,y;
while ((cmd = geom.vertex(&x, &y)) != SEG_END) {}
}
}
}
};
int main( int argc, char** argv)
{
if (argc > 0) {
@ -785,10 +843,25 @@ int main( int argc, char** argv)
std::string wkt_in( (std::istreambuf_iterator<char>(in) ),
(std::istreambuf_iterator<char>()) );
mapnik::box2d<double> clipping_box(0,0,40,40);
test11 runner(100000,10,wkt_in,clipping_box);
benchmark(runner,"clipping polygon with agg_conv_clipper");
}
{
std::string filename_("benchmark/data/polygon.wkt");
std::ifstream in(filename_.c_str(),std::ios_base::in | std::ios_base::binary);
if (!in.is_open())
throw std::runtime_error("could not open: '" + filename_ + "'");
std::string wkt_in( (std::istreambuf_iterator<char>(in) ),
(std::istreambuf_iterator<char>()) );
mapnik::box2d<double> clipping_box(0,0,40,40);
test12 runner(100000,10,wkt_in,clipping_box);
benchmark(runner,"clipping polygon with mapnik::polygon_clipper");
}
std::cout << "...benchmark done\n";
return 0;
}