Unified Memory Holds Potential for Lower-Energy PCs and Servers

The BBC reports on US research: "The 'unified' memory device…combines the speed of DRAM while being able to switch to a more persistent mode of storage. That would potentially enable computer makers to build machines that boot up almost instantly, as the information needed to start up the machine could be stored in fast memory…It could also lead to servers that can be powered down, when not in use. Currently, the servers found in most data centres continue to slurp energy even when their processors are idle because the server memory cannot be turned off without affecting performance."

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