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bench_EPWStrings.cpp
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#include <benchmark/benchmark.h>
#include <string>
#include <vector>
struct EPWString
{
const int lineNumber;
const int year;
const int month;
const int day;
const int hour;
const int currentMinute;
std::vector<std::string> strings;
};
static void PushBack(benchmark::State& state) {
std::vector<EPWString> epw_strings;
int lineNumber = 1;
int year = 2023;
int month = 1;
int day = 1;
int hour = 1;
int currentMinute = 0;
std::vector<std::string> strings{"hello", "world"};
for (auto _ : state) {
for (auto i = 0; i <= state.range(0); ++i) {
EPWString epw_s = {lineNumber, year, month, day, hour, currentMinute, strings};
epw_strings.push_back(epw_s);
}
}
}
static void PushBack2(benchmark::State& state) {
std::vector<EPWString> epw_strings;
int lineNumber = 1;
int year = 2023;
int month = 1;
int day = 1;
int hour = 1;
int currentMinute = 0;
std::vector<std::string> strings{"hello", "world"};
for (auto _ : state) {
for (auto i = 0; i <= state.range(0); ++i) {
epw_strings.push_back({lineNumber, year, month, day, hour, currentMinute, strings});
}
}
}
static void EmplaceBack(benchmark::State& state) {
std::vector<EPWString> epw_strings;
int lineNumber = 1;
int year = 2023;
int month = 1;
int day = 1;
int hour = 1;
int currentMinute = 0;
std::vector<std::string> strings{"hello", "world"};
for (auto _ : state) {
for (auto i = 0; i <= state.range(0); ++i) {
epw_strings.emplace_back(lineNumber, year, month, day, hour, currentMinute, strings);
}
}
}
static void EmplaceBackMoveStrings(benchmark::State& state) {
std::vector<EPWString> epw_strings;
int lineNumber = 1;
int year = 2023;
int month = 1;
int day = 1;
int hour = 1;
int currentMinute = 0;
std::vector<std::string> strings{"hello", "world"};
for (auto _ : state) {
for (auto i = 0; i <= state.range(0); ++i) {
epw_strings.emplace_back(lineNumber, year, month, day, hour, currentMinute, std::move(strings));
}
}
}
static void EmplaceBackReserve(benchmark::State& state) {
std::vector<EPWString> epw_strings;
int lineNumber = 1;
int year = 2023;
int month = 1;
int day = 1;
int hour = 1;
int currentMinute = 0;
std::vector<std::string> strings{"hello", "world"};
epw_strings.reserve(8760);
for (auto _ : state) {
for (auto i = 0; i <= state.range(0); ++i) {
epw_strings.emplace_back(lineNumber, year, month, day, hour, currentMinute, std::move(strings));
}
}
}
static constexpr int64_t n_regular = 8760;
static constexpr int64_t n_30min = n_regular * 2;
static constexpr int64_t n_15min = n_regular * 4;
static constexpr int64_t n_10min = n_regular * 6;
static constexpr int64_t n_two_years_15min = n_15min * 2;
// Register the function as a benchmark
BENCHMARK(PushBack)->Arg(n_regular)->Arg(n_30min)->Arg(n_15min)->Arg(n_10min)->Arg(n_two_years_15min)->Unit(benchmark::kMillisecond)->Complexity();
BENCHMARK(PushBack2)->Arg(n_regular)->Arg(n_30min)->Arg(n_15min)->Arg(n_10min)->Arg(n_two_years_15min)->Unit(benchmark::kMillisecond)->Complexity();
BENCHMARK(EmplaceBack)->Arg(n_regular)->Arg(n_30min)->Arg(n_15min)->Arg(n_10min)->Arg(n_two_years_15min)->Unit(benchmark::kMillisecond)->Complexity();
BENCHMARK(EmplaceBackMoveStrings)
->Arg(n_regular)
->Arg(n_30min)
->Arg(n_15min)
->Arg(n_10min)
->Arg(n_two_years_15min)
->Unit(benchmark::kMillisecond)
->Complexity();
BENCHMARK(EmplaceBackReserve)
->Arg(n_regular)
->Arg(n_30min)
->Arg(n_15min)
->Arg(n_10min)
->Arg(n_two_years_15min)
->Unit(benchmark::kMillisecond)
->Complexity();