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The accelerating technological landscape and drive towards net-zero emission made the power system grow in scale and complexity. Serial computational approaches for grid planning and operation struggle to execute necessary calculations…

系统与控制 · 电气工程与系统科学 2022-07-07 Ahmed Al-Shafei , Hamidreza Zareipour , Yankai Cao

Cloud computing revolutionised the industry with its elastic, on-demand approach to computational resources, but has lead to a tremendous impact on the environment. Data centers constitute 1.1-1.5% of total electricity usage in the world.…

分布式、并行与集群计算 · 计算机科学 2014-01-22 Dražen Lučanin , Ivona Brandić

This paper examines the workload distribution challenges in centralized cloud systems and demonstrates how Hybrid Edge Cloud (HEC) [1] mitigates these inefficiencies. Workloads in cloud environments often follow a Pareto distribution, where…

分布式、并行与集群计算 · 计算机科学 2025-01-30 Siavash Alamouti

Rapid adoption of Cloud computing for hosting services and its success is primarily attributed to its attractive features such as elasticity, availability and pay-as-you-go pricing model. However, the huge amount of energy consumed by cloud…

分布式、并行与集群计算 · 计算机科学 2020-09-01 Minxian Xu , Adel N. Toosi , Rajkumar Buyya

The aggregate power use of computing hardware is an important cost factor in scientific cluster and distributed computing systems. The Worldwide LHC Computing Grid (WLCG) is a major example of such a distributed computing system, used…

Estimating power consumption in modern Cloud environments is essential for carbon quantification toward green computing. Specifically, it is important to properly account for the power consumed by each of the running applications, which are…

分布式、并行与集群计算 · 计算机科学 2024-07-02 Sunyanan Choochotkaew , Chen Wang , Huamin Chen , Tatsuhiro Chiba , Marcelo Amaral , Eun Kyung Lee , Tamar Eilam

With the advent of the Exascale capability allowing supercomputers to perform at least $10^{18}$ IEEE 754 Double Precision (64 bits) operations per second, many concerns have been raised regarding the energy consumption of high-performance…

分布式、并行与集群计算 · 计算机科学 2023-05-12 Tobias Fischbach , Emmanuel Kieffer , Pascal Bouvry

As research and deployment of AI grows, the computational burden to support and sustain its progress inevitably does too. To train or fine-tune state-of-the-art models in NLP, computer vision, etc., some form of AI hardware acceleration is…

硬件体系结构 · 计算机科学 2024-03-01 Dan Zhao , Siddharth Samsi , Joseph McDonald , Baolin Li , David Bestor , Michael Jones , Devesh Tiwari , Vijay Gadepally

The energy footprint of global data movement has surpassed 100 terawatt hours, costing more than 20 billion US dollars to the world economy. Depending on the number of switches, routers, and hubs between the source and destination nodes,…

分布式、并行与集群计算 · 计算机科学 2019-04-12 Luigi Di Tacchio , Zulkar Nine , Tevfik Kosar , Fatih M. Bulut , Jinho Hwang

Nowadays, improving the energy efficiency of high-performance computing (HPC) systems is one of the main drivers in scientific and technological research. As large-scale HPC systems require some fault-tolerant method, the opportunities to…

分布式、并行与集群计算 · 计算机科学 2023-11-15 Marina Moran , Javier Balladini , Dolores Rexachs , Enzo Rucci

Scientific workflows are critical to scientific data analysis and often involve computationally intensive processing of large datasets on compute clusters. As such, their execution tends to be long-running and resource-intensive, resulting…

分布式、并行与集群计算 · 计算机科学 2026-03-09 Kathleen West , Youssef Moawad , Fabian Lehmann , Vasilis Bountris , Ulf Leser , Yehia Elkhatib , Lauritz Thamsen

Computing has a huge memory problem. The memory system, consisting of multiple technologies at different levels, is responsible for most of the energy consumption, performance bottlenecks, robustness problems, monetary cost, and hardware…

硬件体系结构 · 计算机科学 2025-09-05 Onur Mutlu , Ataberk Olgun , Ismail Emir Yuksel

Barroso's seminal contributions in energy-proportional warehouse-scale computing launched an era where modern datacenters have become more energy efficient and cost effective than ever before. At the same time, modern AI applications have…

机器学习 · 计算机科学 2024-06-25 Carole-Jean Wu , Bilge Acun , Ramya Raghavendra , Kim Hazelwood

Green computing represents a critical pathway to decarbonize the digital economy while maintaining technological progress. This article examines how sustainable IT strategies including energy-efficient hardware, AI-optimized data centres,…

The demand in computing power has never stopped growing over the years. Today, the performance of the most powerful systems exceeds the exascale and the number of petascale systems continues to grow. Unfortunately, this growth also goes…

计算机与社会 · 计算机科学 2024-03-27 Abdessalam Benhari , Denis Trystram , Fanny Dufossé , Yves Denneulin , Frédéric Desprez

In the face of surging power demands for exascale HPC systems, this work tackles the critical challenge of understanding the impact of software-driven power management techniques like Dynamic Voltage and Frequency Scaling (DVFS) and Power…

分布式、并行与集群计算 · 计算机科学 2024-08-06 Ahmad Maroof Karimi , Matthias Maiterth , Woong Shin , Naw Safrin Sattar , Hao Lu , Feiyi Wang

The demand in computing power has never stopped growing over the years. Today, the performance of the most powerful systems exceeds the exascale. Unfortunately, this growth also comes with ever-increasing energy costs, leading to a high…

分布式、并行与集群计算 · 计算机科学 2025-09-30 Abdessalam Benhari , Yves Denneulin , Frédéric Desprez , Fanny Dufossé , Denis Trystram

Scientific simulation leveraging high-performance computing (HPC) systems is crucial for modeling complex systems and phenomena in fields such as astrophysics, climate science, and fluid dynamics, generating massive datasets that often…

分布式、并行与集群计算 · 计算机科学 2025-07-03 Wenqi Jia , Ying Huang , Jian Xu , Zhewen Hu , Sian Jin , Jiannan Tian , Yuede Ji , Miao Yin

Energy efficiency has emerged as a central challenge for modern high-performance computing (HPC) systems, where escalating computational demands and architectural complexity have led to significant energy footprints. This paper presents the…

分布式、并行与集群计算 · 计算机科学 2025-11-06 Kajol Kulkarni , Samuel Kemmler , Anna Schwarz , Gulcin Gedik , Yanxiang Chen , Dimitrios Papageorgiou , Ioannis Kavroulakis , Roman Iakymchuk

Cloud Computing paradigm has revolutionized IT industry and be able to offer computing as the fifth utility. With the pay-as-you-go model, cloud computing enables to offer the resources dynamically for customers anytime. Drawing the…

分布式、并行与集群计算 · 计算机科学 2020-02-13 Qiheng Zhou , Minxian Xu , Sukhpal Singh Gill , Chengxi Gao , Wenhong Tian , Chengzhong Xu , Rajkumar Buyya