Is it the case that every time multiprocessing is used, it results in a failure due to insufficient memory?

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No, it is not the case that every time multiprocessing is used, it results in a failure due to insufficient memory. The success of multiprocessing depends on various factors such as the size of the data, the number of processes, the available memory, and the efficiency of the algorithm used. If proper care is taken while designing the multiprocessing system, it can effectively utilize the available resources and can result in better performance.