Method for reducing number of writes in a cache memory
US7966456B2 · kind B2 · utility
13Cited by
1References
14Claims
0Family size
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Key dates
| Filing date | Sep 28, 2007 |
| Grant date | Jun 21, 2011 |
| Priority date | — |
| Expiry date | Sep 22, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/2022
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a method for reducing number of writes in a write-back non-volatile cache memory. The method comprises: writing a plurality of data in the cache memory, wherein cache lines meta data for each of the plurality of data is marked as dirty; determining a set of data of the plurality of the data in the cache memory to be flushed to a hard disk, wherein the hard disk is operatively coupled to the cache memory; flushing the set of data of the plurality of data to the hard disk from the cache memory; and writing a clean-marker to the cache memory specifying which of the plurality of the data has been flushed to the disk.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.