Active Memory Controller

Provided by: Springer Healthcare
Topic: Storage
Format: PDF
Inability to hide main memory latency has been increasingly limiting the performance of modern processors. The problem is worse in large-scale shared memory systems, where remote memory latencies are hundreds, and soon thousands, of processor cycles. To mitigate this problem, the authors propose an intelligent memory and cache coherence controller that can execute Active Memory Operations (AMOs). AMOs is select operations sent to and executed on the home memory controller of data. AMOs can eliminate a significant number of coherence messages, minimize intranode and internode memory traffic, and create opportunities for parallelism.

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