预先迁移D-NUCA缓存

2011 International Conference on Parallel Architectures and Compilation Techniques Pub Date : 2011-10-10 DOI:10.1109/PACT.2011.38

Javier Lira, Timothy M. Jones, Carlos Molina, Antonio González

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引用次数: 2

摘要

在程序执行期间的任何特定时刻，确定数据在NUCA缓存中的最佳位置对于利用该体系结构提供的好处至关重要。动态NUCA (D-NUCA)允许数据映射到NUCA缓存内的多个银行，然后使用数据迁移来调整数据放置到程序的行为。尽管标准迁移方案在将数据移动到缓存中的最佳位置方面是有效的，但仍然有一半的命中发生在非最佳银行中。该建议通过预先迁移数据来减少这个数字。

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Beforehand Migration on D-NUCA Caches

Determining the best placement for data in the NUCA cache at any particular moment during program execution is crucial for exploiting the benefits that this architecture provides. Dynamic NUCA (D-NUCA) allows data to be mapped to multiple banks within the NUCA cache, and then uses data migration to adapt data placement to the program's behavior. Although the standard migration scheme is effective in moving data to its optimal position within the cache, half the hits still occur within non-optimal banks. This proposal reduces this number by migrating data beforehand.

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来源期刊

2011 International Conference on Parallel Architectures and Compilation Techniques

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