Preventing delay in execution time of instruction executed by exclusively using external resource
US8201178B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2009 |
| Grant date | Jun 12, 2012 |
| Priority date | — |
| Expiry date | Dec 15, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/526
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed are computer systems, a plurality of methods and a computer program for preventing a delay in execution time of one or more instructions. The computer system includes: a lock unit for executing an instruction to acquire exclusive-use of the external resource and an instruction to release the exclusive-use of the external resource in the one or more threads; a counter unit for increasing or decreasing a value of a corresponding one of counters respectively associated with the threads; and a controller for controlling an execution order of the instructions to be executed by exclusively using the external resource and instructions that causes a delay in the execution time of the instructions to be executed by exclusively using the external resource.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.