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Adaptive software cache management for distributed shared memory architectures

机译:分布式共享内存体系结构的自适应软件缓存管理

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摘要

An adaptive cache coherence mechanism exploits semantic information about the expected or observed access behavior of particular data objects. We contend that, in distributed shared memory systems, adaptive cache coherence mechanisms will outperform static cache coherence mechanisms. We have examined the sharing and synchronization behavior of a variety of shared memory parallel programs. We have found that the access patterns of a large percentage of shared data objects fall in a small number of categories for which efficient software coherence mechanisms exist. In addition, we have performed a simulation study that provides two examples of how an adaptive caching mechanism can take advantage of semantic information.

机译:

自适应缓存一致性机制利用有关特定数据对象的预期或观察到的访问行为的语义信息。我们认为,在分布式共享内存系统中,自适应缓存一致性机制将胜过静态缓存一致性机制。我们已经检查了各种共享内存并行程序的共享和同步行为。我们发现,大部分共享数据对象的访问模式都属于少数类别,而对于这些类别,存在有效的软件一致性机制。此外,我们进行了仿真研究,提供了两个示例说明自适应缓存机制如何利用语义信息。

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