Patent · US Active

Data cache with prediction hints for cache hits

US11620229B2 · kind B2 · utility

0Cited by

3References

20Claims

0Family size

Assignee

SiFive, Inc. · US

Inventors

John Ingalls · Sunnyvale, US
Josh Smith · Kansas City, US

Key dates

Filing date	Feb 21, 2020
Grant date	Apr 4, 2023
Priority date	—
Expiry date	Mar 27, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG06F2212/603
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Described is a data cache with prediction hints for a cache hit. The data cache includes a plurality of cache lines, where a cache line includes a data field, a tag field, and a prediction hint field. The prediction hint field is configured to store a prediction hint which directs alternate behavior for a cache hit against the cache line. The prediction hint field is integrated with the tag field or is integrated with a way predictor field.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.