Predicting indirect branches using problem branch filtering and pattern cache
US10795683B2 · kind B2 · utility
1Cited by
8References
8Claims
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Key dates
| Filing date | Jun 11, 2014 |
| Grant date | Oct 6, 2020 |
| Priority date | — |
| Expiry date | Aug 3, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/3844
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Predicting indirect branch instructions may comprise predicting a target address for a fetched branch instruction. Accuracy of the target address may be tracked. The fetched branch instruction may be flagged as a problematic branch instruction based on the tracking. A pattern cache may be trained for predicting a more accurate target address for the fetched branch instruction, and the next time the fetched branch instruction is again fetched, a target address may be predicted from the pattern cache.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.