Information processing apparatus and control method of information processing apparatus
US9009412B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2012 |
| Grant date | Apr 14, 2015 |
| Priority date | — |
| Expiry date | Aug 23, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F12/0828
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An information processing apparatus includes a first arithmetic processing unit, a second arithmetic processing unit that is connected to a main storage, and a third arithmetic processing unit. The first arithmetic processing unit includes a cache memory that retains therein data. The second arithmetic processing unit includes a processing unit that notifies, when a read request for the data from the third arithmetic processing unit is not being executed when the replacement request is received, the first arithmetic processing unit of a completion notification indicating that the data has been written back to the main storage and the replacement process is completed and that notifies, when the read request is being executed when the replacement request is received, the first arithmetic processing unit of the completion notification after the read request has ended.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.