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49
main.cpp
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49
main.cpp
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#include <iostream>
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#include <thread>
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#include <vector>
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#include <memory>
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#include "computePi.hpp"
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void threadWorker(std::uint16_t threadNum) {
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#warning TODO: This function will take a reference to the FIFO task queue as an argument
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#warning TODO: This function will take a reference to your unordered_map as an argument
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//
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// This code exists simply to illustrate a worker thread.
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// I had better not see this in your final submission.
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std::cout << "Hi! I'm thread number " << threadNum << ", and I can count to 10!\n";
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for (int i = 1; i <= 10; ++i)
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std::cout << "[" << threadNum << "] " << i << std::endl;
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std::cout << "[" << threadNum << "] watch me compute digit #"
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<< threadNum+1 << " of pi: "
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<< computePiDigit(threadNum+1) << std::endl;
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}
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int main() {
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#warning TODO: Initialize your thread-safe data structures here
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//
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// Make as many threads as there are CPU cores
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// Assign them to run our threadWorker function, and supply arguments as necessary for that function
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std::vector<std::shared_ptr<std::thread>> threads;
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for (std::uint16_t core = 0; core < std::thread::hardware_concurrency(); core++)
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// The arguments you wish to pass to threadWorker are passed as
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// arguments to the constructor of std::thread
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threads.push_back(std::make_shared<std::thread>(threadWorker, core));
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//
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// Wait for all of these threads to complete
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for (auto&& thread : threads)
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thread->join();
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std::cout << std::endl << std::endl;
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#warning TODO: Print the digits of PI from our unordered_map, in order
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return 0;
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}
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