allocPool/main.cpp

#include <chrono>
#include <iostream>

#include "tests.hpp"

int main() {
    tests t;
    t.runTests();

    auto startSlow{std::chrono::high_resolution_clock::now()};
    stub *ptr{};
    for (size_t i{}; i < 10000; i++) {
        ptr = new stub();
        delete ptr;
    }
    auto endSlow{std::chrono::high_resolution_clock::now()};

    std::cout << "Time (milliseconds) required for allocations without pool: " <<
            std::chrono::duration_cast<std::chrono::milliseconds>(endSlow - startSlow).count() << "\n";

    auto startAlloc{std::chrono::high_resolution_clock::now()};
    allocPool<stub> a(10000);
    auto endAlloc{std::chrono::high_resolution_clock::now()};

    auto startFast{std::chrono::high_resolution_clock::now()};
    for (size_t i{}; i < 10000; i++) {
        ptr = a.getPtr();
        a.returnPtr(ptr);
    }
    auto endFast{std::chrono::high_resolution_clock::now()};

    std::cout << "Time (milliseconds) required for allocations with pool: " <<
            std::chrono::duration_cast<std::chrono::milliseconds>(endFast - startFast).count() << "\n";

    std::cout << "Time (milliseconds) required for real allocations when constructing pool: " <<
            std::chrono::duration_cast<std::chrono::milliseconds>(endAlloc - startAlloc).count() << "\n";

    return 0;
}