Performance evaluations for multicore processors
Abstract
Scope and Method of Study: To use and improve a new simulation tool that emulates and studies different cache hierarchies and configurations to evaluate the performance of any chosen processor and cache configurations. Findings and Conclusions: Sharing a L2 cache with more than eight processors may reduce performance. Using a shared L3 cache or hierarchical architecture may result in a better performance. The major factor that contributes to the loss of performance is the bus contention. Increasing the size of shared cache does not have a significant impact on performance.
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