A Correctness Criterion for Eager Approach Validation for Transactional Memory System

With rise of multi-core systems, Software Transactional Memory (STM) has garnered significant interest as an elegant alternative for developing concurrent code. A (memory) transaction is an unit of code in execution in memory. A Software Transactional Memory system (STM) ensures that a transaction appears either to execute atomically (even in presence of other concurrent transactions) or to never have executed at all. To achieve this property, a commonly used approach by STM systems is eager validation approach. In this approach, when a transaction performs a write operation the update is immediately written to the memory and is visible to other transactions.

Provided by: Interscience Open Access Journals Topic: Storage Date Added: Jan 2012 Format: PDF

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