Andrés Márquez

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Floating-point operations, as defined in the IEEE-754 standard, are not associative. The ordering of large numbers of operations (such as summa-tions) that deal with operands of substantially different magnitudes can significantly affect the final result. On massively multi-threaded systems, the non-deterministic nature of how machine floating-point(More)
As data centers proliferate in size and number, the endeavor to improve their energy efficiency and productivity is becoming increasingly important. We discuss the properties of a number of the proposed metrics of energy efficiency and productivity. In particular, we focus on the Data Center Energy Productivity (DCeP) metric, which is the ratio of useful(More)
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