BTFNTBackward Taken, Forward Not Taken (computer programming)
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One of the simplest program-based methods for branch prediction is called "backward-taken/forward-not-taken" (BTFNT).
In recent work, Ball and Larus [1993] showed that applying a number of simple program-based heuristics can significantly improve the branch prediction miss rate over BTFNT on tests based on the conditional branch operation.
The first column shows the results for the BTFNT architecture.