Auxiliary perceptron branch predictor with magnitude usage limit
US9471314B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2015 |
| Grant date | Oct 18, 2016 |
| Priority date | — |
| Expiry date | Dec 15, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/3844
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
According to an aspect, branch prediction in a processing system that includes a primary branch predictor and an auxiliary perceptron branch predictor is provided. The primary branch predictor and the auxiliary perceptron branch predictor are searched to make a branch prediction. A perceptron magnitude of a perceptron branch predictor from the auxiliary perceptron branch predictor is compared to a magnitude usage limit. An auxiliary predictor result from the auxiliary perceptron branch predictor is selected as the branch prediction based on the perceptron magnitude exceeding the magnitude usage limit. A primary predictor result from the primary branch predictor is selected as the branch prediction based on the perceptron magnitude not exceeding the magnitude usage limit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.