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With increasing demand for low power high performance computing, reducing power of not only CPUs but also memory is becoming important. In typical general-purpose HPC environments, DRAM is installed in an over-provisioned fashion to avoid swapping, although in most cases not all such memory is used, leading to unnecessary and excessive power consumption, even in a standby state. We propose a next...
In our research project named "Mega-Scale Computing Based on Low-Power Technology and Workload Modeling", we have been developing a prototype cluster not based on ASIC or FPGA but instead only using commodity technology. Its packaging is extremely compact and dense, and its performance/power ratio is very high. Our previous prototype system named "MegaProto" demonstrated that one...
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