57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
#include "duckhandy/int_conv.hpp"
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#include <iostream>
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#include <random>
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#include <chrono>
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#include <vector>
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#include <string>
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#include <algorithm>
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#include <ctime>
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namespace {
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template <typename Conv>
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void run_with_timing (
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const std::string& test_name,
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const std::vector<unsigned int>& src,
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std::vector<std::string>& dst,
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Conv&& conv_func
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) {
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dst.clear();
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dst.resize(src.size());
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std::cout << test_name << "...\n";
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const std::size_t count = src.size();
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const auto t0 = std::chrono::high_resolution_clock::now();
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for (std::size_t z = 0; z < count; ++z) {
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dst[z] = conv_func(src[z]);
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}
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const auto t1 = std::chrono::high_resolution_clock::now();
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std::chrono::duration<double> duration = t1 - t0;
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std::cout << count << " conversions completed in " << duration.count() << " seconds\n";
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}
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} //unnamed namespace
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int main() {
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using dhandy::int_conv;
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constexpr const std::size_t count = 70'000'000;
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std::vector<unsigned int> nums;
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std::vector<std::string> strings;
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std::mt19937 gen;
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std::cout << "Setting up data...\n";
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nums.resize(count);
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strings.reserve(count);
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gen.seed(std::time(nullptr));
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std::cout << "Generating " << count << " random values...\n";
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std::generate(nums.begin(), nums.end(), gen);
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run_with_timing("Conversions with std::to_string", nums, strings, [](unsigned int n) { return std::to_string(n); });
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run_with_timing("AryConversion with dhandy::int_conv", nums, strings, [](unsigned int n) { return int_conv<std::string>(n); });
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std::cout << "All done, bye!\n";
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return 0;
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}
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