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SystemExplorer is a system simulation framework based upon the open-source gem5 simulation infrastructure. It includes a rich collection of hardware components such as ARM cores, interconnect, memories and memory controllers, IO devices - ethernet, PCIe, and other peripherals. In addition it provides support for run fully featured operating systems such as Linux and Android combined with pre-packaged filesystem images that contain real workloads and benchmarks for Smartphone, Server and High Performance Computing. In this talk I'll give an overview of ARM R&D's use of the SystemExplorer tool for workload directed architectural co-design. I will focus on how we are using it in combination with the Department of Energy's co-design center proxy applications to help evaluate and enable the ARM architecture to address the power-efficiency, performance, and resilience requirements of Exascale computing.
(Presented during FastPass 2013 Workshop in Austin, TX)