Detailed introduction to concurrent calls

This article mainly introduces the relevant information about the detailed explanation of the java ThreadPoolExecutor concurrent call instance. Friends who need it can refer to the detailed overview of the java ThreadPoolExecutor concurrent call instance. Usually in order to improve the processing speed of the task, some concurrency models will be used. InvokeAll in ThreadPoolExecutor Just one kind. Code package test.current; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.concurrent.Callable; import java.util.concurrent.ExecutionException; import java.util.concu

1. Example code analysis of concurrent calls to ThreadPoolExecutor in java

Introduction: This article mainly introduces the relevant information on the detailed explanation of java ThreadPoolExecutor concurrent call instances. Friends in need can refer to

2. Can calling exe through exec on win server only be a single process? Can't it be called concurrently?

#Introduction: Can calling exe through exec on win server only be a single process? Can't it be called concurrently?

3. How does the PHP parent script call the child script concurrently without waiting

Introduction: How does the PHP parent script call Call subscripts concurrently and without waiting? I have written a PHP system that needs to call 1.php, 2.php in the parent script father.php. 1.php, 2.php, the execution time of these two subscripts is very long. Calling 1.php cannot affect the execution of 2.php and the normal script in father.php. What I mean is that when the parent process father.php calls 1.php, 1.php will execute in the background

4. Calling exe through exec on the win server only Can it be a single process? Can't it be called concurrently?

#Introduction: Can calling exe through exec on win server only be a single process? Can't it be called concurrently? Does PHP use exec to call exe executable files in a single-process blocking manner? I found that multiple browsers on my machine requested calls at the same time, and found that the server only started one exe program. And I want to call the exe once with one request. I would like to ask you all, what is going on? Or is there any other solution? ------Solution--------------------Never tried&

5. PHP How does a parent script call child scripts concurrently without waiting?

Introduction: How does a PHP parent script call child scripts concurrently without waiting? I have written a PHP system that needs to call 1.php, 2.php in the parent script father.php. 1.php, 2.php, the execution time of these two subscripts is very long. Calling 1.php cannot affect the execution of 2.php and the normal script in father.php. What I mean is that when the parent process father.php calls 1.php, 1.php will execute in the background

6. [RTT routine exercise] 2.2 Semaphore Basic use (dynamic/static semaphore)

Introduction: Explanation of semaphore: From Baidu Encyclopedia: Semaphore, sometimes called a semaphore, is a A facility used in a threaded environment to ensure that two or more critical code segments are not called concurrently. Before entering a critical code segment, the thread must acquire a semaphore; once the critical code segment is completed, the thread must release

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