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A predictive process for jump instructions is used in a computer system to improve the speed of access to main memory data and uses historical data in a cache memory
A predictive process for jump instructions is used in a computer system to improve the speed of access to main memory data and uses historical data in a cache memory
The computer system has a cache memory (10) in which there is stored a second tag field (13) together with additional history data. Multiple jump addresses for each branch address are stored. This data is used in a forecast process to improve the speed of access to data within the main memory of the system. A first tag field (12) having address information of branch command is compared with content of second tag field to forecast jump target address.
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