Parallel Reed/Solomon Coding on Multicore Processors

Provided by: Institute of Electrical & Electronic Engineers
Topic: Storage
Format: PDF
Cauchy Reed/Solomon is an XOR-based erasure-tolerant coding scheme, applied for reliable distributed storage, fault-tolerant memory and reconstruction of content from widely distributed data. The encoding and decoding is based on XOR operations and already well supported by microprocessors. On multicore processors, the coding procedures should also exploit parallelism to speed up coding. In this paper, the authors derive coding procedures from code parameters (e.g. the number of tolerated failures) and propose their transformation into parallel coding schedules that are mapped on multicore processors.

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