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Graph partitioning, or community detection, is the cornerstone of many fields, such as logistics, transportation and smart power grids. Efficient computation and efficacious evaluation of communities are both essential, especially in…

Optimization and Control · Mathematics 2023-11-29 Yu-Ting Kao , Hsiu-Chuan Hsu

Efficient data streaming is essential for real-time data analytics, visualization, and machine learning model training, particularly when dealing with high-volume datasets. Various streaming technologies and serialization protocols have…

Software Engineering · Computer Science 2024-11-05 Samuel Jackson , Nathan Cummings , Saiful Khan

The Square Kilometer Array (SKA) has the potential to produce galaxy redshift surveys which will be competitive with other state of the art cosmological experiments in the next decade. In this chapter we summarise what capabilities the…

We give an overview of complementarity and synergy in cosmology between the Square Kilometre Array and future survey projects in other wavelengths. In the SKA era, precision cosmology will be limited by systematic errors and cosmic…

Next generation radio telescopes will require orders of magnitude more computing power to provide a view of the universe with greater sensitivity. In the initial stages of the signal processing flow of a radio telescope, signal correlation…

Instrumentation and Methods for Astrophysics · Physics 2013-05-27 Ruonan Wang , Christopher Harris

AI agents execute tens to hundreds of chained LLM calls per task, yet GPU schedulers treat each call as independent, discarding gigabytes of intermediate state between steps and inflating end-to-end latency by 3-8x. We argue that this…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-04 Dongxin Guo , Jikun Wu , Siu Ming Yiu

Spectroscopic surveys are undergoing a rapid expansion in their data collecting capabilities, reaching the level of hundreds of spectra per pointing. An efficient use of such huge amounts of information requires a high degree of…

Astrophysics · Physics 2023-02-22 L. Paioro , B. M. Garilli , M. Scodeggio , P. Franzetti

Future Square Kilometre Array (SKA) surveys are expected to generate huge datasets of 21cm maps on cosmological scales from the Epoch of Reionization (EoR). We assess the viability of exploiting machine learning techniques, namely,…

Cosmology and Nongalactic Astrophysics · Physics 2020-05-13 Sultan Hassan , Sambatra Andrianomena , Caitlin Doughty

Recently we create so much data (2.5 quintillion bytes every day) that 90% of the data in the world today has been created in the last two years alone [1]. This data comes from sensors used to gather traffic or climate information, posts to…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-12-20 Afsin Akdogan , Hien To

Array operations are one of the most concise ways of expressing common filtering and simple aggregation operations that is the hallmark of the first step of a particle physics analysis: selection, filtering, basic vector operations, and…

Databases · Computer Science 2021-09-08 Gordon Watts

The Large Synoptic Survey Telescope (LSST) is an ambitious astronomical survey with a similarly ambitious Data Management component. Data Management for LSST includes processing on both nightly and yearly cadences to generate transient…

The Square Kilometre Array (SKA) will be operating at the time when several new large optical, X-ray and Gamma-ray facilities are expected to be working. To make SKA both competitive and complementary to these large facilities, thorough…

Instrumentation and Methods for Astrophysics · Physics 2010-01-12 Dharam Vir Lal , Andrei P. Lobanov , Sergio Jiménez-Monferrer

The Square Kilometre Array (SKA) will offer an unprecedented view onto the early Universe, using interferometric observations of the redshifted 21cm line. The 21cm line probes the thermal and ionization state of the cosmic gas, which is…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-14 Andrei Mesinger , Andrea Ferrara , Bradley Greig , Ilian Iliev , Garrelt Mellema , Jonathan Pritchard , Mario G. Santos

Diamond Light Source (DLS), the UK synchrotron facility, attracts scientists from across the world to perform ground-breaking x-ray experiments. With over 3000 scientific users per year, vast amounts of data are collected across the…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-10-26 Nicola Wadeson , Mark Basham

The digital revolution is transforming astronomy from a data-starved to a data-submerged science. Instruments such as the Atacama Large Millimeter Array (ALMA), the Large Synoptic Survey Telescope (LSST), and the Square Kilometer Array…

Instrumentation and Methods for Astrophysics · Physics 2012-09-25 Melvyn Wright

Large data and computing centers consume a significant share of the world's energy consumption. A prominent subset of the workloads in such centers are workflows with interdependent tasks, usually represented as directed acyclic graphs…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-12 Dominik Schweisgut , Anne Benoit , Yves Robert , Henning Meyerhenke

Within the next few years, the Square Kilometer Array (SKA) or one of its pathfinders will hopefully provide a detection of the 21-cm signal fluctuations from the Epoch of Reionization (EoR). Then, the main goal will be to accurately…

Cosmology and Nongalactic Astrophysics · Physics 2019-09-25 Aristide Doussot , Evan Eames , Benoit Semelin

The next generation of radio astronomy telescopes are challenging existing data analysis paradigms, as they have an order of magnitude more antennas and larger bandwidth. Foremost amongst these are deep spectral line surveys, because these…

Pulsar acceleration searches are methods for recovering signals from radio telescopes, that may otherwise be lost due to the effect of orbital acceleration in binary systems. The vast amount of data that will be produced by next generation…

Instrumentation and Methods for Astrophysics · Physics 2015-11-25 Sofia Dimoudi , Wesley Armour

The distributed telescope array offers promise for conducting large-sky-area, high-frequency time domain surveys. Multiple telescopes can be deployed at each observation site, so intra-site observation task scheduling is crucial for…

Instrumentation and Methods for Astrophysics · Physics 2024-10-22 Yajie Zhang , Ce Yu , Chao Sun , Yi Hu , Zhaohui Shang , Jizeng Wei , Xu Yang
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