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Threading_In_CPlusPlus/1.thread/thread.cpp

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+//
+// Created by light on 20-1-31.
+//
+
+#include <iostream>
+#include <thread>
+#include <chrono>
+
+using namespace std::chrono;
+using namespace std;
+
+
+/**
+ * 1.普通函数指针
+ * 2.Lambda函数
+ * 3.Functors
+ * 4.非静态成员函数
+ * 5.静态成员函数
+ */
+
+using ull = unsigned long long;
+ull OddSum = 0;
+ull EvenSum = 0;
+
+void findEven(ull start, ull end) {
+    for (ull i = start; i <= end; ++i)
+        if ((i & 1) == 0)
+            EvenSum += i;
+}
+
+void findOdd(ull start, ull end) {
+    for (ull i = start; i <= end; ++i)
+        if ((i & 1) == 1)
+            OddSum += i;
+}
+
+int main() {
+
+    ull start = 0, end = 1900000000;
+
+
+    auto startTime = high_resolution_clock::now();
+    std::thread t1(findEven,start,end);
+    std::thread t2(findOdd,start,end);
+
+    t1.join();
+    t2.join();
+
+    auto stopTime = high_resolution_clock::now();
+    auto duration = duration_cast<microseconds>(stopTime - startTime);
+
+    cout << "OddSum : " << OddSum << endl;
+    cout << "EvenSum: " << EvenSum << endl;
+    cout << "Sec: " << duration.count() / 1000000 << endl;
+    return 0;
+}