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2025-06-25 17:15 本頁面
【文章內(nèi)容簡介】 processor implementation, this will greatly speed up the process of running. The implementation of the efficiency of the thread will be greatly improved, because the threads of timesharing a single processor into a distributed multiprocessor implementation. This multiprocessor in the threedimensional modeling and graphics processing is very useful. Do you need to multithreaded? We sent a print order requesting the printer to print tasks, assuming that this time in response to the puter and the printer stopped working also, would it mean that we do things to stop waiting for this slow on the printer? Fortunately, this situation does not occur, we work in the printer can also listen to music or drawing. Because we use a separate threads to perform these tasks. May you have multiple users’ simultaneous access to a database or web server was surprised at how they work? This is because for each connected to a database or web server user set up an independent thread to maintain the status of the user. If a program is running a certain degree of order, this time in this way problem may arise, and even lead to the collapse of the entire process. If the program can be divided into different independent tasks, the use of multithreaded, even if a certain part of the task failed, on the other would not be affected, will not lead to the collapse of the entire process. There is no doubt that the procedures for the preparation of multithreaded tool makes you a slave to drive the process of nonmultithreaded, multithreaded but may also bee a burden or cost need not be small. If the improper use of it will bring more of the disadvantages. If a program has a lot of threads, then the thread is bound to other programs can only take up less CPU time。 and a lot of CPU time is used for thread scheduling。 operating system also requires sufficient memory space to maintain each thread context information。 therefore, a large number of threads will reduce the efficiency of system operation. Therefore, if the use of multithreaded, then the multithreaded program must be designed well, otherwise the benefits will be far less than the disadvantages. The use of multithreaded so we must be careful to deal with these threads of the creation, scheduling and work release. There are many ways to design multithreaded applications. As shown in the back of the article, I will give detailed examples of programming, t
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