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- ArticleSeptember 2024
Investigation of Performance and Energy Consumption of Tokenization Algorithms on Multi-core CPUs Under Power Capping
Computer Information Systems and Industrial ManagementPages 332–346https://doi.org/10.1007/978-3-031-71115-2_23AbstractIn this paper we investigate performance-energy optimization of tokenizer algorithm training using power capping. We focus on parallel, multi-threaded implementations of Byte Pair Encoding (BPE), Unigram, WordPiece, and WordLevel run on two ...
- ArticleApril 2024
Performance and Energy Aware Training of a Deep Neural Network in a Multi-GPU Environment with Power Capping
AbstractIn this paper we demonstrate that it is possible to obtain considerable improvement of performance and energy aware metrics for training of deep neural networks using a modern parallel multi-GPU system, by enforcing selected, non-default power ...
- research-articleDecember 2022
Towards Anomaly Detection for Monitoring Power Consumption in HPC Facilities
MEDES '22: Proceedings of the 14th International Conference on Management of Digital EcoSystemsPages 1–8https://doi.org/10.1145/3508397.3564826Given the increasing complexity and the heterogeneity of today's computing system infrastructure, power efficiency and fault tolerance remain the top challenges of an High Performance Computing (HPC) facility operation. Recently, many research efforts ...
- research-articleNovember 2021
Flex: high-availability datacenters with zero reserved power
- Chaojie Zhang,
- Alok Gautam Kumbhare,
- Ioannis Manousakis,
- Deli Zhang,
- Pulkit A. Misra,
- Rod Assis,
- Kyle Woolcock,
- Nithish Mahalingam,
- Brijesh Warrier,
- David Gauthier,
- Lalu Kunnath,
- Steve Solomon,
- Osvaldo Morales,
- Marcus Fontoura,
- Ricardo Bianchini
ISCA '21: Proceedings of the 48th Annual International Symposium on Computer ArchitecturePages 319–332https://doi.org/10.1109/ISCA52012.2021.00033Cloud providers, like Amazon and Microsoft, must guarantee high availability for a large fraction of their workloads. For this reason, they build datacenters with redundant infrastructures for power delivery and cooling. Typically, the redundant ...
- short-paperJune 2020
Autonomic Power Management in Speculative Simulation Runtime Environments
SIGSIM-PADS '20: Proceedings of the 2020 ACM SIGSIM Conference on Principles of Advanced Discrete SimulationPages 93–98https://doi.org/10.1145/3384441.3395980While transitioning to exascale systems, it has become clear that power management plays a fundamental role to support a viable utilization of the underlying hardware, also performance-wise. To meet power restrictions imposed by future exascale ...
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- research-articleMarch 2020
Data Center Power Oversubscription with a Medium Voltage Power Plane and Priority-Aware Capping
- Varun Sakalkar,
- Vasileios Kontorinis,
- David Landhuis,
- Shaohong Li,
- Darren De Ronde,
- Thomas Blooming,
- Anand Ramesh,
- James Kennedy,
- Christopher Malone,
- Jimmy Clidaras,
- Parthasarathy Ranganathan
ASPLOS '20: Proceedings of the Twenty-Fifth International Conference on Architectural Support for Programming Languages and Operating SystemsPages 497–511https://doi.org/10.1145/3373376.3378533As major web and cloud service providers continue to accelerate the demand for new data center capacity worldwide, the importance of power oversubscription as a lever to reduce provisioning costs has never been greater. Building on insights from Google-...
- research-articleDecember 2018
CapNet: Exploiting Wireless Sensor Networks for Data Center Power Capping
ACM Transactions on Sensor Networks (TOSN), Volume 15, Issue 1Article No.: 6, Pages 1–34https://doi.org/10.1145/3278624As the scale and density of data centers continue to grow, cost-effective data center management (DCM) is becoming a significant challenge for enterprises hosting large-scale online and cloud services. Machines need to be monitored, and the scale of ...
- research-articleJune 2018
How to Make Profit: Exploiting Fluctuating Electricity Prices with Albatross, A Runtime System for Heterogeneous HPC Clusters
ROSS'18: Proceedings of the 8th International Workshop on Runtime and Operating Systems for SupercomputersArticle No.: 4, Pages 1–9https://doi.org/10.1145/3217189.3217193The ongoing evolution of the power grid towards a highly dynamic supply system poses challenges as renewables induce new grid characteristics. The volatility of electricity sources leads to a fluctuating electricity price, which even becomes negative ...
- research-articleJune 2018
Minimising energy costs of data centers using high dense heterogeneous systems and intelligent resource management
e-Energy '18: Proceedings of the Ninth International Conference on Future Energy SystemsPages 499–505https://doi.org/10.1145/3208903.3213777Recent trends in data centers include on one hand consolidation in large data centers and on the other hand increased number of small edge systems located closer to sources of data or energy. In both cases the key features needed to minimise costs are ...
- research-articleNovember 2017
PoLiMEr: An Energy Monitoring and Power Limiting Interface for HPC Applications
E2SC'17: Proceedings of the 5th International Workshop on Energy Efficient SupercomputingArticle No.: 7, Pages 1–8https://doi.org/10.1145/3149412.3149419Power and energy consumption are now key design concerns in HPC. To develop software that meets power and energy constraints, scientific application developers must have a reliable way to measure these values and relate them to application-specific ...
- research-articleNovember 2017
Dynamic Application-aware Power Capping
E2SC'17: Proceedings of the 5th International Workshop on Energy Efficient SupercomputingArticle No.: 1, Pages 1–8https://doi.org/10.1145/3149412.3149413A future large-scale high-performance computing (HPC) cluster will likely be power capped since the surrounding infrastructure like power supply and cooling is constrained. For such a cluster, it may be impossible to supply thermal design power (TDP) to ...
- research-articleSeptember 2017
Benefits in Relaxing the Power Capping Constraint
ANDARE '17: Proceedings of the 1st Workshop on AutotuniNg and aDaptivity AppRoaches for Energy efficient HPC SystemsArticle No.: 3, Pages 1–6https://doi.org/10.1145/3152821.3152878In this manuscript we evaluate the impact of HW power capping mechanisms on a real scientific application composed by parallel execution. By comparing HW capping mechanism against static frequency allocation schemes we show that a speed up can be ...
- research-articleDecember 2016
A Reconfiguration Algorithm for Power-Aware Parallel Applications
ACM Transactions on Architecture and Code Optimization (TACO), Volume 13, Issue 4Article No.: 43, Pages 1–25https://doi.org/10.1145/3004054In current computing systems, many applications require guarantees on their maximum power consumption to not exceed the available power budget. On the other hand, for some applications, it could be possible to decrease their performance, yet maintain an ...
- research-articleNovember 2016
Energy aware scheduling study on BlueWonder
E2SC '16: Proceedings of the 4th International Workshop on Energy Efficient SupercomputingPages 61–68Power consumption of the world's leading supercomputers is of the order of tens of MegaWatts (MW). Therefore, energy efficiency and power management of High Performance Computing (HPC) systems are among the main goals of the HPC community. This paper ...
- research-articleNovember 2015
Early experiences with node-level power capping on the Cray XC40 platform
E2SC '15: Proceedings of the 3rd International Workshop on Energy Efficient SupercomputingArticle No.: 1, Pages 1–10https://doi.org/10.1145/2834800.2834801Power consumption of extreme-scale supercomputers has become a key performance bottleneck. Yet current practices do not leverage power management opportunities, instead running at "maximum power". This is not sustainable. Future systems will need to ...
- research-articleNovember 2015
TE-Shave: Reducing Data Center Capital and Operating Expenses with Thermal Energy Storage
IEEE Transactions on Computers (ITCO), Volume 64, Issue 11Pages 3278–3292https://doi.org/10.1109/TC.2015.2394381Power shaving has recently been proposed to dynamically shave the power peaks of a data center with energy storage devices (ESD), such that more servers can be safely hosted. In addition to the reduction of capital investment (cap-ex), power shaving also ...
- ArticleMay 2015
Predicting Optimal Power Allocation for CPU and DRAM Domains
IPDPSW '15: Proceedings of the 2015 IEEE International Parallel and Distributed Processing Symposium WorkshopPages 951–959https://doi.org/10.1109/IPDPSW.2015.146Constraints imposed by power delivery and costs will be key design impediments to the development of next generation High-Performance Computing (HPC) systems. To remedy these impediments, solutions that impose power bounds (or caps) on over-provisioned ...
- research-articleMarch 2015
Power-aware online testing of manycore systems in the dark silicon era
- Mohammad-Hashem Haghbayan,
- Amir-Mohammad Rahmani,
- Mohammad Fattah,
- Pasi Liljeberg,
- Juha Plosila,
- Zainalabedin Navabi,
- Hannu Tenhunen
DATE '15: Proceedings of the 2015 Design, Automation & Test in Europe Conference & ExhibitionPages 435–440Online defect screening techniques to detect run-time faults are becoming a necessity in current and near future technologies. At the same time, due to aggressive technology scaling into the nanometer regime, power consumption is becoming a significant ...
- research-articleMarch 2015
Power-Aware Job Scheduling on Heterogeneous Multicore Architectures
IEEE Transactions on Parallel and Distributed Systems (TPDS), Volume 26, Issue 3Pages 868–877https://doi.org/10.1109/TPDS.2014.2315203This paper presents a power-aware scheduling algorithm based on efficient distribution of the computing workload to the resources on heterogeneous CPU-GPU architectures. The scheduler manages the resources of several computing nodes with a view to ...
- research-articleDecember 2014
Evolutionary game theoretic power capping for virtual machine placement in clouds
BICT '14: Proceedings of the 8th International Conference on Bioinspired Information and Communications TechnologiesPages 336–343https://doi.org/10.4108/icst.bict.2014.258228This paper studies a multiobjective evolutionary game theoretic framework for application placement in clouds that support a power capping mechanism (e.g., Intel's Runtime Average Power Limit--RAPL) for CPUs. Given the notion of power capping, power can ...