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OCR: SYMMETRIC AND ASYMMETRIC MULTIPROCESSING Memory Memory OS Apps OS Apps calls Use calls User threads threads Processor 1 Processor 2 Processor Processor 2 Asymmetric model Symmetric model FIGURE 1: In ASMP systems, each CPU hos its own memory, and processes are assigned specific processors, in SMP systems, CPUs share the system memory. A scheduler in the OS assigns a process to a processor of run time.