publication . Article . 2017

CEPRAM: Compression for Endurance in PCM RAM

Rodrigo Gonzalez-Alberquilla; Fernando Castro; Luis Pinuel; Francisco Tirado;
Open Access English
  • Published: 04 Apr 2017
  • Publisher: World Scientific Publ co Pte LTD
  • Country: Spain
Abstract
<jats:p> We deal with the endurance problem of Phase Change Memories (PCM) by proposing Compression for Endurance in PCM RAM [Formula: see text]CEPRAM[Formula: see text], a technique to elongate the lifespan of PCM-based main memory through compression. We introduce a total of three compression schemes based on already existent schemes, but targeting compression for PCM-based systems. We do a two-level evaluation. First, we quantify the performance of the compression, in terms of compressed size, bit-flips and how they are affected by errors. Next, we simulate these parameters in a statistical simulator to study how they affect the endurance of the system. Our s...
Subjects
ACM Computing Classification System: Hardware_MEMORYSTRUCTURES
free text keywords: Informática, Programación de ordenadores, Hardware and Architecture, Electrical and Electronic Engineering, USable, Phase change, Electronic engineering, Simulation, Pointer (computer programming), Data compression, Computer hardware, business.industry, business, Computer science, Compression (physics)
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