Supplement to ZombieMemory: Extending Memory Lifetime by Reviving Dead Blocks

Provided by: Microsoft
Topic: Hardware
Format: PDF
Zombie is an endurance management framework that enables a variety of error correction mechanisms to extend the lifetimes of memories that suffer from in-the-field bit failures, such as wear out in Phase-Change Memory (PCM). Zombie supports both Single-Level Cell (SLC) and Multi-Level Cell (MLC) variants. It extends the lifetime of blocks in working memory pages (primary blocks) by pairing them with spare blocks, i.e., working blocks in pages that have been disabled due to exhaustion of a single block's error correction resources, which would be 'Dead' otherwise.

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