Stream based branch prediction index accelerator with power prediction
US10430195B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2016 |
| Grant date | Oct 1, 2019 |
| Priority date | — |
| Expiry date | Dec 11, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/30058
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer-implemented method for predicting a taken branch that ends an instruction stream in a pipelined high frequency microprocessor includes receiving, by a processor, a first instruction within a first instruction stream, the first instruction including a first instruction address. The computer-implemented method further includes searching, by the processor, a stream-based index accelerator predictor one time for the stream; determining, by the processor, a prediction for a branch ending the branch stream; influencing, by the processor, a metadata prediction engine based on the prediction; and updating, by the processor, a stream-based index accelerator predictor with information indicative of the prediction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.