IBM Corporation. IBM 370 Principles of Operation.  Home/Search   Document Not in Database   Summary   Related Articles   Check

.... is a significant body of work on how to achieve mutual exclusion with only atomic read and write operations [2, 9, 10, 13, 14] These solutions were rendered obsolete by the introduction of instructions that performed compound atomic operations such as exchange, test andset, and compare and swap [6]. Such operations were later generalized to the Fetch and Phi primitive for multiprocessors [8] and were particularly popular on machines with butterfly type interconnects because concurrent Fetch and Phi operations to the same location could be combined in the network [4] Many ....

IBM Corporation. IBM 370 Principles of Operation.

.... of work on how to achieve mutual exclusion with only atomic read and write operations [2, 11, 12, 17, 18] These solutions were rendered obsolete by the introduction of instructions that per IBM Confidential 15 formed compound atomic operations such as exchange, test and set, and compare and swap [8]. Such operations were later generalized to the Fetch and Phi primitive for multiprocessors [10] and were particularly popular on machines with butterfly type interconnects because concurrent Fetch and Phi operations to the same location could be combined in the network [5] Many ....

IBM Corporation. IBM 370 Principles of Operation.

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