The Green500 is a

biannual An anniversary is the date on which an event took place or an institution was founded in a previous year, and may also refer to the commemoration or celebration of that event. The word was first used for Catholic feasts to commemorate saints. ...

ranking of supercomputers, from the

TOP500 The TOP500 project ranks and details the 500 most powerful non-distributed computing, distributed computer systems in the world. The project was started in 1993 and publishes an updated list of the supercomputers twice a year. The first of these ...

list of supercomputers, in terms of

energy efficiency Energy efficiency may refer to: * Energy efficiency (physics), the ratio between the useful output and input of an energy conversion process ** Electrical efficiency, useful power output per electrical power consumed ** Mechanical efficiency, a ra ...

. The list measures

performance per watt In computing, performance per watt is a measure of the energy efficiency of a particular computer architecture or computer hardware. Literally, it measures the rate of computation that can be delivered by a computer for every watt of power consume ...

using the TOP500 measure of high performance LINPACK benchmarks at

double-precision floating-point format Double-precision floating-point format (sometimes called FP64 or float64) is a floating-point number format, usually occupying 64 bits in computer memory; it represents a wide dynamic range of numeric values by using a floating radix point. Fl ...

. In 2022,

Hewlett Packard Enterprise The Hewlett Packard Enterprise Company (HPE) is an American multinational information technology company based in Spring, Texas, United States. HPE was founded on November 1, 2015, in Palo Alto, California, as part of the splitting of the H ...

took the lead, with AMD-based systems (AMD CPUs and AMD GPUs) in the 4 top positions, with the top position over 50% more efficient than the previous year (Japanese) top position. And number two on the list (the current fastest on

) is also over 50% more efficient than the currently most efficient (and much smaller) Nvidia-based system. No large Nvidia-based system make the top 10 positions of Graph500 (smaller ones in 7th to 10th, nor any longer any (small or large) ARM-based ( Fugaku was at the top of the list in June 2021).

History

, an

Appro International, Inc. Appro was a developer of supercomputing supporting High Performance Computing (HPC) markets focused on medium- to large-scale deployments. Appro was based in Milpitas, California with a computing center in Houston, Texas, and a manufacturing a ...

Xtreme-X supercomputer (''Beacon'') topped the Green500 list with 2.499 LINPACK GFLOPS/W. Beacon is deployed by NICS of the University of Tennessee and is a GreenBlade GB824M, Xeon E5-2670 based, eight cores (8C), 2.6 GHz, Infiniband FDR, Intel Xeon Phi 5110P computer. , the Eurotech supercomputer Eurora at

Cineca Cineca is a non-profit consortium, made up of 69 Italian universities, 27 national public research centres, the Italian Ministry of Universities and Research (MUR) and the Italian Ministry of Education (MI), and was established in 1969 in Casalecc ...

topped the Green500 list with 3.208 LINPACK GFLOPS/W. The Cineca Eurora supercomputer is equipped with two Intel Xeon E5-2687W CPUs and two PCI-e connected NVIDIA Tesla K20 accelerators per node. Water cooling and electronics design allows for very high densities to be reached with a peak performance of 350 TFLOPS per rack. , the L-CSC supercomputer of the Helmholtz Association at the GSI in

Darmstadt Darmstadt () is a city in the States of Germany, state of Hesse in Germany, located in the southern part of the Frankfurt Rhine Main Area, Rhine-Main-Area (Frankfurt Metropolitan Region). Darmstadt has around 160,000 inhabitants, making it th ...

Germany topped the Green500 list with 5.271 GFLOPS/W and was the first cluster to surpass an efficiency of 5 GFLOPS/W. It runs on Intel Xeon E5-2690 Processors with the Intel Ivy Bridge Architecture and AMD FirePro S9150 GPU Accelerators. It uses in rack watercooling and

Cooling Tower A cooling tower is a device that rejects waste heat to the atmosphere through the cooling of a coolant stream, usually a water stream to a lower temperature. Cooling towers may either use the evaporation of water to remove process heat and ...

s to reduce the energy required for cooling. , the Shoubu supercomputer of RIKEN outside

Tokyo Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, with an estimated 37.468 ...

Japan topped the Green500 list with 7.032 GFLOPS/W. The then-top three supercomputers of the list used PEZY-SC accelerators ( GPU-like that use

OpenCL OpenCL (Open Computing Language) is a framework for writing programs that execute across heterogeneous platforms consisting of central processing units (CPUs), graphics processing units (GPUs), digital signal processors (DSPs), field-progra ...

) by

PEZY Computing PEZY Computing is a Japanese fabless computer chip design company specialising in the design of manycore processors for supercomputers. History PEZY Computing was founded in 2010. The company's first manycore processor the PEZY-1 was launched in ...

with 1024 cores each and 6–7 GFLOPS/W efficiency. , DGX SaturnV Volta, using "NVIDIA DGX-1

Volta Volta may refer to: Persons * Alessandro Volta (1745–1827), Italian physicist and inventor of the electric battery, count and eponym of the volt * Giovanni Volta (1928–2012), Italian Roman Catholic bishop * Giovanni Serafino Volta (1764–184 ...

36, Xeon E5-2698v4 20C 2.2GHz, Infiniband EDR, NVIDIA Tesla V100", tops Green500 list with 15.113 GFLOPS/W, while ranked only 469th on Top500. It's only a little bit more efficient than the much bigger

Summit A summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. The topography, topographic terms acme, apex, peak (mountain peak), and zenith are synonymous. The term (mountain top) is generally used ...

ranked 2nd while 1st on Top500 with 14.719 GFLOPS/W, using IBM POWER9 CPUs while also with Nvidia Tesla V100 GPUs.

History

Green 500 List

Historical development

References