论文标题
了解大规模生产物理模拟代码中的功率和能源利用
Understanding Power and Energy Utilization in Large Scale Production Physics Simulation Codes
论文作者
论文摘要
功率是转移到Exascale计算道路上的高级体系结构的原因。这是由于与提供足够的功率有关成功站点和操作这些机器的实用考虑，以及在运行大型模拟时对能源使用的担忧。由于获得准确的功率测量可能具有挑战性，因此由于其简单性和可用性，将处理器热设计功率（TDP）用作代理可能很诱人。但是，在运行模拟时，TDP并不能指示典型的功率使用情况。使用劳伦斯·利弗莫尔（Lawrence Livermore）和桑迪亚国家实验室（Sandia National Labs）的商品和先进技术系统，我们进行了一系列实验，以衡量运行模拟代码中的功率和能量使用。这些实验表明，与简单的处理器TDP模型可能建议的大规模Lawrence Livermore模拟代码效率要高得多。
Power is an often-cited reason for the move to advanced architectures on the path to Exascale computing. This is due to practical considerations related to delivering enough power to successfully site and operate these machines, as well as concerns about energy usage while running large simulations. Since obtaining accurate power measurements can be challenging, it may be tempting to use the processor thermal design power (TDP) as a surrogate due to its simplicity and availability. However, TDP is not indicative of typical power usage while running simulations. Using commodity and advanced technology systems at Lawrence Livermore and Sandia National Labs, we performed a series of experiments to measure power and energy usage in running simulation codes. These experiments indicate that large scale Lawrence Livermore simulation codes are significantly more efficient than a simple processor TDP model might suggest.
