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Dynamic partitioned global address spaces for high-efficiency computingYoung, Jeffrey 19 November 2008 (has links)
The current trend of ever larger clusters and data centers has coincided with a dramatic increase in the cost and
power of these installations. While many efficiency improvements have focused on processor power and cooling costs,
reducing the cost and power consumption of high-performance memory has mostly been overlooked. This thesis proposes
a new address translation model called Dynamic Partitioned Global Address Space (DPGAS) that extends the ideas of
NUMA and software-based approaches to create a high-performance hardware model that can be used to reduce the overall cost and power of memory in larger server installations. A memory model and hardware implementation of DPGAS is developed, and simulations of memory-intensive workloads are used to show potential cost and power reductions when DPGAS is integrated into a server environment.
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