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In data storage systems, it is crucial to protect data from loss due to failures. Erasure codes lay the foundation of this protection, enabling systems to reconstruct lost data when components fail. Erasure codes can, however, impose significant performance overhead in two core operations: encoding, where parity is calculated from newly written data, and decoding, where data is reconstructed after...
Flash memory is a non-volatile, non-mechanical data storage technology that stores data by trapping charge and can be reused by freeing the trapped charge with an internal erase operation. When flash memory cells are erased, there is a considerable negative impact on the longevity and performance of the device. To defer and minimize these erasures, a floating code is able to store variable updates...
Generalized Reed Solomon (GRS) codes are widely used for reliability applications in computer systems like data storage and communications and thus, efficiency in encoding and decoding of GRS codes is very important for system performance. Though GRS codes provide enormous flexibility, they are computationally expensive since calculations happen in Galois fields. In this paper, we present an algorithm...
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