void stdout_printer::benchmark_result(const benchmark& info,
const tables::table& results)
{
tables::table output = results;
if (info.has_configurations())
{
const auto& c = info.get_current_configuration();
for (const auto& v : c)
{
output.add_const_column(v.first, v.second);
}
}
m_tables.insert(m_tables.end(), output);
}
static void bm_rank(benchmark::State& state) {
const auto br = gen_binary_relation(/*max_size=*/1'000'000,
/*max_object=*/object_id(100'000),
/*max_label=*/label_id(state.range(0)));
while (state.KeepRunning()) {
auto const max_object = gen_object(br);
auto const max_label = gen_label(br);
DoNotOptimize(br.rank(max_object, max_label));
}
}
static void bm_count_distinct_labels(benchmark::State& state) {
const auto br = gen_binary_relation(/*max_size=*/1'000'000,
/*max_object=*/object_id(100'000),
/*max_label=*/label_id(state.range(0)));
while (state.KeepRunning()) {
const auto obj_range = gen_object_range(br);
const auto lab_range = gen_label_range(br);
DoNotOptimize(br.count_distinct_labels(obj_range.first, obj_range.second,
lab_range.first, lab_range.second));
}
}
static void bm_nth_element_obj_maj(benchmark::State& state) {
const auto br = gen_binary_relation(/*max_size=*/1'000'000,
/*max_object=*/object_id(100'000),
/*max_label=*/label_id(state.range(0)));
while (state.KeepRunning()) {
auto obj_start = gen_object(br);
auto lab_range = gen_label_range(br);
DoNotOptimize(br.nth_element(obj_start, lab_range.first, lab_range.second,
42, brwt::obj_major));
}
}
static void bm_lower_bound(benchmark::State& state) {
const auto br = gen_binary_relation(/*max_size=*/1'000'000,
/*max_object=*/object_id(100'000),
/*max_label=*/label_id(state.range(0)));
while (state.KeepRunning()) {
const auto lab_range = gen_label_range(br);
auto start = gen_pair(br);
start.label = clamp(start.label, lab_range.first, lab_range.second);
DoNotOptimize(br.lower_bound(start, lab_range.first, lab_range.second,
brwt::obj_major));
}
}
inline double run_benchmark(benchmark & b)
{
boost::high_resolution_timer timer;
std::vector<double> results;
for (int i = 0; i != num_benchmarks; ++i)
{
b.prepare(i);
timer.restart();
b(i);
double t = timer.elapsed();
results.push_back(t);
}
return results.at(results.size()/2); // median
}
void benchmark_result(const benchmark &info,
const tables::table &results)
{
std::vector<uint64_t> iterations =
results.values_as<uint64_t>("iterations");
statistics iter = calculate_statistics(
iterations.cbegin(),
iterations.cend());
// Describe the beginning of the run.
std::cout << std::fixed << console::textgreen << "[ RUN ]"
<< console::textdefault << " "
<< info.testcase_name() << "."
<< info.benchmark_name()
<< " (" << results.rows()
<< (results.rows() == 1 ? " run " : " runs ")
<< "/ " << iter.m_mean << " "
<< (iter.m_mean == 1 ? "iteration" : "iterations")
<< ")" << std::endl;
if(info.has_configurations())
{
std::cout << console::textyellow << "[ CONFIG ]"
<< console::textdefault << " ";
const auto& c = info.get_current_configuration();
bool first = true;
tables::format f;
for(const auto& v : c)
{
if(!first)
std::cout << ",";
first = false;
std::cout << v.first << "=";
f.print(std::cout, v.second);
}
std::cout << std::endl;
}
double time = static_cast<double>(
boost::chrono::duration_cast<boost::chrono::microseconds>(
m_benchmark_stop-m_benchmark_start).count());
std::cout << std::fixed << console::textyellow << "[ TIME ]"
<< console::textdefault << " " << (time / 1000)
<< " milliseconds" << std::endl;
for(const auto& c_name : results.columns())
{
if(c_name == "iterations")
continue;
if(c_name == "run_number")
continue;
if(print_column<double>(c_name,info.unit_text(),results))
continue;
if(print_column<float>(c_name,info.unit_text(),results))
continue;
if(print_column<uint64_t>(c_name,info.unit_text(),results))
continue;
if(print_column<int64_t>(c_name,info.unit_text(),results))
continue;
if(print_column<int32_t>(c_name,info.unit_text(),results))
continue;
if(print_column<uint32_t>(c_name,info.unit_text(),results))
continue;
if(print_column<int16_t>(c_name,info.unit_text(),results))
continue;
if(print_column<uint16_t>(c_name,info.unit_text(),results))
continue;
if(print_column<int8_t>(c_name,info.unit_text(),results))
continue;
if(print_column<uint8_t>(c_name,info.unit_text(),results))
continue;
}
std::cout << console::textgreen << "[----------] "
<< console::textdefault << std::endl;
}