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PEZY & ExaScaler Step Up on the Green500 List with Immersive Cooling

One of PEZY/ExaScaler's Green500 winning immersion cooling systems cooled with a 3M Fluorinert dielectric fluid. (Photo credit: PEZY)

PEZY Computing from Japan has earned the top three rankings on the Green500 list, using a 3M Fluorinert Electronic Liquid in an immersive cooling system built by ExaScaler Inc. The Green500 is a biannual ranking of the most energy-efficient supercomputers in the world. The triple win indicates growing progress and adoption in the field of immersion cooling with engineered dielectric fluids and its potential to transform the high performance computing (HPC) industry with step-change improvements in energy efficiency and compute performance.

E4 Benchmarks EnginSoft CFD on ARM64


Today E4 Computer Engineering announced the results of tests carried out independently on a GPU cluster provided to EnginSoft Italy, a premier global consulting firm in the field of Simulation Based Engineering Science (SBES).

Autotune Code from ORNL Tunes Your Building Energy Efficiency

Automated calibration software for building efficiency studies, developed by Oak Ridge National Laboratory researchers Jibonananda Sanyal (left) and Joshua New, is now available as an open source code.

A team at Oak Ridge has developed a set of automated calibration techniques for tuning residential and commercial building energy efficiency software models to match measured data. Their open source Autotune code is now available on GitHub.

Video: Parallella – The Most Energy Efficient Supercomputer on the Planet

Raymond T. Hightower

“Supercomputing should be available for everyone who wants it. With that mission in mind, a team of engineers created Parallella, an 18-core supercomputer that’s a little bigger than a credit card. Parallella is open source hardware; the circuit diagrams are on GitHub and the machine runs Linux. Icing on the cake: Parallella is the most energy efficient computer on the planet, and you can buy one for a hundred bucks. Why does parallel computing matter? How can developers use parallel computing to deliver better results for clients? Let’s explore these questions together.”

Phytium Shows off Mars ARMv8 Processor at Hot Chips


In the first of what will likely be a series of announcements from the Hot Chips conference this week, Phytium Technologies revealed details of its Mars 64-core ARMv8 processors.

SUPER Project Aims at Efficient Supercomputing for Scientists


“SUPER builds on past successes and now includes research into performance auto-tuning, energy efficiency, resilience, multi-objective optimization, and end-to-end tool integration. Leading the project dovetails neatly with Oliker’s research interests, which include optimization of scientific methods on emerging multi-core systems, ultra-efficient designs of domain-optimized computational platforms and performance evaluation of extreme-scale applications on leading supercomputers.”

Innovation Keeps Supercomputers Cool


“The range of cooling options now available is testimony to engineering ingenuity. HPC centers can choose between air, oil, dielectric fluid, or water as the heat-transfer medium. Opting for something other than air means that single or two-phase flow could be available, opening up the possibilities of convective or evaporative cooling and thus saving the cost of pumping the fluid round the system.”

Call for Submissions: Workshop on Heterogeneous High-performance Reconfigurable Computing


The First International Workshop on Heterogeneous High-performance Reconfigurable Computing (H2RC’15) has issued its Call for Submissions. Held in conjunction with SC15, the event will take place Nov. 15 in Austin, Texas.

Adept Project Looks at Using Software to Conserve Energy


In this special guest feature, Tom Wilkie from Scientific Computing World writes that software approaches to energy efficiency in HPC may yield unexpected improvements in the hardware of next-generation mobile phone networks. “Adept, a European research project addressing the energy-efficient use of parallel technologies, is expected to release a set of benchmarks that it has developed to characterize the energy consumption of programming models on different architectures.”

Interview: Asetek Rides Rapid Adoption of Liquid Cooling for HPC


The HPC industry’s expanded use of liquid cooling was evident at the recent ISC 2015 conference in Frankfurt. To learn more, we caught up with Steve Branton from Asetek.