并行化程序

并行化OMP（正交匹配追踪）

线程池（pthread版本）

生产者消费者模型

• C语言版本

thread 1:
    pthread_mutex_lock(&mutex);
    while (!condition)
        pthread_cond_wait(&cond, &mutex);
    /* do something that requires holding the mutex and condition is true */
    pthread_mutex_unlock(&mutex);

thread2:
    pthread_mutex_lock(&mutex);
    /* do something that might make condition true */
    pthread_cond_signal(&cond);
    pthread_mutex_unlock(&mutex);

• C++语言版本