50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
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#include <iostream>
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#include <chrono>
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#include "dpf.hpp"
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using std::chrono::high_resolution_clock;
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using std::chrono::duration_cast;
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using std::chrono::duration;
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using std::chrono::milliseconds;
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int main(int arc, char * argv[])
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{
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// Making the DPF with an integer value
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uint16_t x = 42;
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using prg = dpf::prg::counter_wrapper<dpf::prg::dummy>;
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auto [dpf0, dpf1] = dpf::make_dpf<prg>(x);
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// Evaluating the DPF and counting how much it cost without memoizers
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auto t1 = high_resolution_clock::now();
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auto before = prg::count();
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for (int i = 0; i<1024*1024; i++)
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{
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dpf::eval_point(dpf0, i);
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}
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// Printing out the results
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auto after = prg::count();
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std::cout << "Without memoizers: " << "\n";
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std::cout << "PRG invocation: " << after-before << "\n";
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auto t2 = high_resolution_clock::now();
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duration<double, std::milli> ms_double = t2 - t1;
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std::cout << "Time of execution: " << ms_double.count() << "ms\n";
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// Evaluating the DPF and counting how much it cost with memoizers
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auto t3 = high_resolution_clock::now();
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before = prg::count();
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auto path = dpf::make_basic_path_memoizer(dpf0);
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for (int i = 0; i<1024*1024; i++)
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{
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dpf::eval_point(dpf0, i, path);
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}
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// Printing out the results
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after = prg::count();
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std::cout << "With memoizers: " << "\n";
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std::cout << "PRG invocation: " << after-before << "\n";
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auto t4 = high_resolution_clock::now();
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duration<double, std::milli> ms_double2 = t4 - t3;
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std::cout << "Time of execution with the memoizers: " << ms_double2.count() << "ms\n";
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return 0;
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}
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