Cell processor atomic compare and swap using dedicated synergistic processor element
US7509463B2 · kind B2 · utility
3Cited by
5References
36Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 1, 2005 |
| Grant date | Mar 24, 2009 |
| Priority date | — |
| Expiry date | Dec 27, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/30087
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An atomic compare and swap operation that can be implemented in processor system having a power processor element (PPE) and a synergistic processor element (SPE) that have different sized memory transfer capabilities. The PPE notifies an SPE to perform a compare and swap operation on an address in main memory. The address has a size less than or equal to a maximum memory transfer size for the SPE and greater than a maximum memory transfer size for the PPE. The SPE atomically performs the compare and swap operation and notifies the PPE of the success or failure of the compare and swap operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.