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Distributed dataflow systems like Apache Spark and Apache Hadoop enable data-parallel processing of large datasets on clusters. Yet, selecting appropriate computational resources for dataflow jobs -- that neither lead to bottlenecks nor to…

分布式、并行与集群计算 · 计算机科学 2023-01-11 Jonathan Will , Lauritz Thamsen , Jonathan Bader , Dominik Scheinert , Odej Kao

The increasing complexity of deep neural networks (DNNs) has made it challenging to exploit existing large-scale data processing pipelines for handling massive data and parameters involved in DNN training. Distributed computing platforms…

机器学习 · 计算机科学 2016-10-04 Hanjoo Kim , Jaehong Park , Jaehee Jang , Sungroh Yoon

Brain encoding with neuroimaging data is an established analysis aimed at predicting human brain activity directly from complex stimuli features such as movie frames. Typically, these features are the latent space representation from an…

机器学习 · 计算机科学 2024-03-29 Sana Ahmadi , Pierre Bellec , Tristan Glatard

Understanding how the brain functions is one of the biggest challenges of our time. The analysis of experimentally recorded neural firing patterns (spike trains) plays a crucial role in addressing this problem. Here, the PySpike library is…

数据分析、统计与概率 · 物理学 2016-07-12 Mario Mulansky , Thomas Kreuz

The computation of the skyline provides a mechanism for utilizing multiple location-based criteria to identify optimal data points. However, the efficiency of these computations diminishes and becomes more challenging as the input data…

分布式、并行与集群计算 · 计算机科学 2024-04-05 Chen Li , Ye Zhu , Yang Cao , Jinli Zhang , Annisa Annisa , Debo Cheng , Yasuhiko Morimoto

PipeDream is a Deep Neural Network(DNN) training system for GPUs that parallelizes computation by pipelining execution across multiple machines. Its pipeline parallel computing model avoids the slowdowns faced by data-parallel training when…

分布式、并行与集群计算 · 计算机科学 2018-06-12 Aaron Harlap , Deepak Narayanan , Amar Phanishayee , Vivek Seshadri , Nikhil Devanur , Greg Ganger , Phil Gibbons

Pipeline parallelism (PP) when training neural networks enables larger models to be partitioned spatially, leading to both lower network communication and overall higher hardware utilization. Unfortunately, to preserve the statistical…

分布式、并行与集群计算 · 计算机科学 2020-02-11 Bowen Yang , Jian Zhang , Jonathan Li , Christopher Ré , Christopher R. Aberger , Christopher De Sa

Today's big data clusters based on the MapReduce paradigm are capable of executing analysis jobs with multiple priorities, providing differential latency guarantees. Traces from production systems show that the latency advantage of…

分布式、并行与集群计算 · 计算机科学 2019-09-17 Robert Birke , Isabelly Rocha , Juan Perez , Valerio Schiavoni , Pascal Felber , Lydia Y. Chen

Querying very large RDF data sets in an efficient manner requires a sophisticated distribution strategy. Several innovative solutions have recently been proposed for optimizing data distribution with predefined query workloads. This paper…

数据库 · 计算机科学 2015-07-10 Olivier Curé , Hubert Naacke , Mohamed-Amine Baazizi , Bernd Amann

The CERN IT provides a set of Hadoop clusters featuring more than 5 PBytes of raw storage with different open-source, user-level tools available for analytical purposes. The CMS experiment started collecting a large set of computing…

数据分析、统计与概率 · 物理学 2017-11-03 Marco Meoni , Valentin Kuznetsov , Luca Menichetti , Justinas Rumševičius , Tommaso Boccali , Daniele Bonacorsi

This paper presents a benchmark of stream processing throughput comparing Apache Spark Streaming (under file-, TCP socket- and Kafka-based stream integration), with a prototype P2P stream processing framework, HarmonicIO. Maximum throughput…

分布式、并行与集群计算 · 计算机科学 2019-12-20 Ben Blamey , Andreas Hellander , Salman Toor

Curating, processing, and combining large-scale medical imaging datasets from national studies is a non-trivial task due to the intense computation and data throughput required, variability of acquired data, and associated financial…

The paper adopts parallel computing systems for predictive analysis in both CPU and GPU leveraging Spark Big Data platform. The traffic dataset is adopted to predict the traffic jams in Los Angeles County. It is collected from a popular…

分布式、并行与集群计算 · 计算机科学 2021-06-30 Dalyapraz Dauletbak , Junghoon Heo , Sooyoung Kim , Yeon Pyo Kim , Jongwook Woo

In-memory database query processing frequently involves substantial data transfers between the CPU and memory, leading to inefficiencies due to Von Neumann bottleneck. Processing-in-Memory (PIM) architectures offer a viable solution to…

With the explosive increase of big data in industry and academic fields, it is necessary to apply large-scale data processing systems to analysis Big Data. Arguably, Spark is state of the art in large-scale data computing systems nowadays,…

分布式、并行与集群计算 · 计算机科学 2020-12-17 Shanjiang Tang , Bingsheng He , Ce Yu , Yusen Li , Kun Li

The Data Science domain has expanded monumentally in both research and industry communities during the past decade, predominantly owing to the Big Data revolution. Artificial Intelligence (AI) and Machine Learning (ML) are bringing more…

Advances in detectors and computational technologies provide new opportunities for applied research and the fundamental sciences. Concurrently, dramatic increases in the three Vs (Volume, Velocity, and Variety) of experimental data and the…

分布式、并行与集群计算 · 计算机科学 2018-05-15 Nikolay Malitsky , Aashish Chaudhary , Sebastien Jourdain , Matt Cowan , Patrick O'Leary , Marcus Hanwell , Kerstin Kleese Van Dam

Training large-scale deep neural networks is a long, time-consuming operation, often requiring many GPUs to accelerate. In large models, the time spent loading data takes a significant portion of model training time. As GPU servers are…

计算机视觉与模式识别 · 计算机科学 2020-05-06 Mahdi Zolnouri , Xinlin Li , Vahid Partovi Nia

The Apache Spark stack has enabled fast large-scale data processing. Despite a rich library of statistical models and inference algorithms, it does not give domain users the ability to develop their own models. The emergence of…

数据库 · 计算机科学 2017-10-10 Zhuoyue Zhao , Jialing Pei , Eric Lo , Kenny Q. Zhu , Chris Liu

Distributed dataflow systems such as Apache Spark or Apache Flink enable parallel, in-memory data processing on large clusters of commodity hardware. Consequently, the appropriate amount of memory to allocate to the cluster is a crucial…

分布式、并行与集群计算 · 计算机科学 2023-06-08 Jonathan Will , Lauritz Thamsen , Dominik Scheinert , Odej Kao