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Computer architecture research focuses on designing computer systems optimized for high performance, energy efficiency, and scalability or some combination thereof. This research may focus on many aspects of computer systems including the design of processors, memory systems, GPUs, mobile and embedded devices, big data I/O systems, networks, and large-scale parallel machines. Specific problems include the hardware/software co-design of energy efficient architectures for heterogeneous multicore processors and understanding the interaction of file systems and parallel I/O systems in big data applications and its implications for modern file system design.