11. Cache Organization, Operation, and Coherency

11.12 R4000 Processor Synchronization Support


In a multiprocessor system, it is essential that two or more processors working on a common task execute without corrupting each other's subtasks. Synchronization, an operation that guarantees an orderly access to shared memory, must be implemented for a properly functioning multiprocessor system. Two of the more widely used methods are discussed in this section: test-and-set, and counter.



Copyright 1996, MIPS Technologies, Inc. -- 21 MAR 96

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