Approach to improve decompression performance by scatter gather compression units and also updating checksum mechanism
US11210162B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2019 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | Nov 7, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M7/6041
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A method, apparatus, and system for decompressing data with a hardware compression/decompression accelerator is disclosed. The operations comprise: submitting compressed data from a plurality of stored compression units in a compression region to a hardware compression/decompression accelerator in a single submission for decompression, wherein each compression unit stores a checksum calculated based on corresponding uncompressed data; decompressing, at the hardware compression/decompression accelerator, the compressed data from the plurality of stored compression units, the decompressing generating combined decompressed data corresponding to the compressed data; calculating, at the hardware compression/decompression accelerator, a first combined checksum based on the combined decompressed data; calculating a second combined checksum based on individual checksums stored in the plurality of compression units; determining whether the first combined checksum matches the second combined checksum; and if the combined checksums match, forwarding the combined decompressed data to a storage device for storage as uncompressed data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.