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Téma musí začínat písmenem nebo číslem, může obsahovat pomlčky („-“) a může být dlouhé až 35 znaků.
48 řádky
1.2 KiB
48 řádky
1.2 KiB
#include "lfhmap.hpp"
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#include <string>
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#include <iostream>
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#include <future>
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#include <vector>
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template<typename fn>
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void repeat(size_t nb, fn v) {
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while(nb--) {
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v();
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}
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}
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int main() {
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constexpr size_t thread_cnt = 16;
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size_t v = 0;
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auto map = new mct20::lfhmap<size_t, std::string, 8000>();
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std::vector<std::future<int>> finals;
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auto start = std::chrono::high_resolution_clock::now();
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repeat(thread_cnt, [&](){
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size_t v2 = v;
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v++;
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finals.push_back(std::async(std::launch::async, [&map, v2](){
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for(int a = v2; a < 250000; a+=thread_cnt) {
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map->set(a, std::to_string(a));
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}
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for(int a = v2; a < 250000; a+=thread_cnt) {
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if(auto acc = map->get(a); acc) {
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const std::string& t = acc.value();
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if(t != std::to_string(a))
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return 1;
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} else
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return 1;
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}
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return 0;
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}));
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});
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for(auto& a : finals) a.wait();
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int ret = 0;
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for(auto& a : finals) ret += a.get();
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auto time = std::chrono::high_resolution_clock::now() - start;
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std::cout << "Test 06 took " << std::chrono::duration_cast<std::chrono::milliseconds>(time).count() << "ms" << std::endl;
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std::cout << "Per 1R1W ("<< thread_cnt << " threads) " << std::chrono::duration_cast<std::chrono::nanoseconds>(time).count()/250000 << "ns" << std::endl;
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return ret;
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}
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