C++ 并发编程在人工智能、大数据和云计算等领域的应用？

#include <iostream>
#include <thread>
#include <vector>

using namespace std;

// 并行训练神经网络的函数
void train_network(vector<vector<double>> data, vector<vector<double>> labels, int num_iterations) {
    // 创建线程池
    vector<thread> threads;

    // 为每个线程分配一部分数据
    int num_threads = thread::hardware_concurrency();
    int chunk_size = data.size() / num_threads;

    for (int i = 0; i < num_threads; i++) {
        threads.push_back(thread(train_network_chunk, data, labels, i * chunk_size, (i + 1) * chunk_size, num_iterations));
    }

    // 等待所有线程完成
    for (thread& t : threads) {
        t.join();
    }
}

// 训练神经网络的辅助函数
void train_network_chunk(vector<vector<double>> data, vector<vector<double>> labels, int start, int end, int num_iterations) {
    // 训练神经网络
    for (int iteration = 0; iteration < num_iterations; iteration++) {
        // ...
    }
}

int main() {
    // 加载数据
    vector<vector<double>> data;
    vector<vector<double>> labels;

    // 并行训练神经网络
    train_network(data, labels, 100);

    return 0;
}