International Business Machines Corporation

David Trilla Rodriguez

Alper Buyuktosunoglu

Dominic Ditomaso

Craig Raymond Walters

Ram Sai Manoj Bamdhamravuri

Processing within a computing environment is facilitated by using cache hit-miss predictions. A cache hit-miss prediction is determined for a memory access instruction using a predictor. One or more speculative actions are controlled, based on determining the cache hit-miss prediction is a miss. The controlling is further based on a type of cache design.

Controlling speculative actions based on a hit/miss predictor

A cache hit-miss prediction is determined for a memory access instruction using a predictor. The predictor includes a tracker for the memory access instruction. The tracker is used to provide a prediction confidence level of the cache hit-miss prediction for the memory access instruction. Using the tracker, the prediction confidence level of the cache hit-miss prediction is ascertained. Based on the prediction confidence level indicating the cache hit-miss prediction is to be used, the cache hit-miss prediction is provided to be used in instruction execution scheduling.

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David Trilla Rodriguez