Towards energy-scalable data centers

B. Falsafi
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Abstract

Technology forecasts indicate that device scaling will continue well into the next decade. Unfortunately, it is becoming extremely difficult to harness this increase in the number of transistors into performance due to a number of technological, circuit, architectural, methodological and programming challenges. In this talk, I will argue that the key emerging showstopper is power. Voltage scaling as a means to maintain a constant power envelope with an increase in transistor numbers is hitting diminishing returns. As such, to continue riding the Moore's law we need to look for drastic measures to cut power. This is definitely the case for server chips in future data centers, where abundant server parallelism, redundancy and 3D chip integration are likely to remove programming, reliability and bandwidth hurdles, leaving power as the only true limiter. I will present results backing this argument based on validated models for future server chips and parameters extracted from real commercial workloads. Then I use these results to project future research directions for data center hardware and software.
朝着能源可扩展的数据中心发展
技术预测表明,设备规模将持续到下一个十年。不幸的是,由于许多技术、电路、架构、方法和编程方面的挑战,将晶体管数量的增加转化为性能变得极其困难。在这次演讲中,我将论证,新兴的关键亮点是权力。随着晶体管数量的增加,电压缩放作为维持恒定功率包络的一种手段,其收益正在递减。因此,为了继续遵循摩尔定律,我们需要寻找激烈的措施来削减电力。这绝对是未来数据中心服务器芯片的情况,大量的服务器并行性、冗余和3D芯片集成可能会消除编程、可靠性和带宽障碍,使功率成为唯一真正的限制因素。我将根据未来服务器芯片的验证模型和从实际商业工作负载中提取的参数,展示支持这一论点的结果。在此基础上,对未来数据中心硬件和软件的研究方向进行了展望。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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