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#include <chrono> |
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#include "shared_memory/demos/four_int_values.hpp" |
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#include "shared_memory/serializer.hpp" |
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// checks at which frequency 1 million items can be serialized |
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void execute() |
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{ |
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int nb_iterations = 1000000; // 1 million |
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shared_memory::Four_int_values fiv(1, 1, 1, 1); |
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shared_memory::Serializer<shared_memory::Four_int_values> serializer; |
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long int total_size_=0; |
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auto start = std::chrono::steady_clock::now(); |
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for (int iteration = 0; iteration < nb_iterations; iteration++) |
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{ |
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const std::string& serialized = serializer.serialize(fiv); |
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// just to make sure the compiler does not remove the line |
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// above for optimization purposes |
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total_size_ += serialized.size(); |
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} |
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auto end = std::chrono::steady_clock::now(); |
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long int duration_us = |
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std::chrono::duration_cast<std::chrono::microseconds>(end - start) |
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.count(); |
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double duration_seconds = static_cast<double>(duration_us) / 1e6; |
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double frequency = static_cast<double>(nb_iterations) / duration_seconds; |
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std::cout << "\nserialization frequency: " << frequency |
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<< " | irrelevant data: " << total_size_ << "\n\n"; |
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} |
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int main() |
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{ |
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execute(); |
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return 0; |
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} |
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