Temporal-Aware Mechanism to Detect Private Data in Chip Multiprocessors

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Provided by: Universidad de Malaga
Topic: Hardware
Format: PDF
Most of the data referenced by sequential and parallel applications running in current chip multiprocessors are referenced by only one thread and can be considered as private data. A lot of recent proposals leverage this observation to improve many aspects of chip multiprocessors, such as reducing coherence overhead or the access latency to distributed caches. The effectiveness of those proposals depend to a large extent on the amount of detected private data. However, the mechanisms proposed so far do not consider thread migration and the private use of data within different application phases. As a result, a considerable amount of data is not detected as private.
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