Summit和Sierra超级计算机的冷却解决方案

IF 1.3 4区计算机科学 Q1 Computer Science

IBM Journal of Research and Development Pub Date : 2019-12-10 DOI:10.1147/JRD.2019.2958902

S. Tian;T. Takken;V. Mahaney;C. Marroquin;M. Schultz;M. Hoffmeyer;Y. Yao;K. O'Connell;A. Yuksel;P. Coteus

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引用次数: 2

摘要

要实现最佳的数据中心冷却效率，需要对高密度组件进行有效的水冷却，再加上最佳的温水温度，以及对任何风冷组件进行正确的水预热顺序。Summit和Sierra超级计算机通过使用高性能冷板直接用温水对所有中央处理器(cpu)和图形处理单元(gpu)处理器进行水冷却，实现了高效的冷却。通过直接风冷最低热密度组件产生的计算抽屉热负荷的10%至15%，使成本效益最大化。对于Summit系统，后门热交换器使空气净热负荷为零;通过使用热交换器的预热水作为输入冷却更高功率的cpu和gpu，优化了系统的整体效率。

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Summit and Sierra supercomputer cooling solutions

Achieving optimal data center cooling efficiency requires effective water cooling of high-heat-density components, coupled with optimal warmer water temperatures and the correct order of water preheating from any air-cooled components. The Summit and Sierra supercomputers implemented efficient cooling by using high-performance cold plates to directly water-cool all central processing units (CPUs) and graphics processing units (GPUs) processors with warm inlet water. Cost performance was maximized by directly air-cooling the 10% to 15% of the compute drawer heat load generated by the lowest heat density components. For the Summit system, a rear-door heat exchanger allowed zero net heat load to air; the overall system efficiency was optimized by using the preheated water from the heat exchanger as an input to cool the higher power CPUs and GPUs.

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来源期刊

IBM Journal of Research and Development 工程技术-计算机：硬件

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： The IBM Journal of Research and Development is a peer-reviewed technical journal, published bimonthly, which features the work of authors in the science, technology and engineering of information systems. Papers are written for the worldwide scientific research and development community and knowledgeable professionals. Submitted papers are welcome from the IBM technical community and from non-IBM authors on topics relevant to the scientific and technical content of the Journal.