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Research In High Performance And Low Power Computer Systems For Data-Intensive Environment, Pengju Shang
Research In High Performance And Low Power Computer Systems For Data-Intensive Environment, Pengju Shang
Electronic Theses and Dissertations
According to the data affinity, DAFA re-organizes data to maximize the parallelism of the affinitive data, and also subjective to the overall load balance. This enables DAFA to realize the maximum number of map tasks with data-locality. Besides the system performance, power consumption is another important concern of current computer systems. In the U.S. alone, the energy used by servers which could be saved comes to 3.17 million tons of carbon dioxide, or 580,678 cars {Kar09}. However, the goals of high performance and low energy consumption are at odds with each other. An ideal power management strategy should be able …