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Uproot reads ROOT TTrees using pure Python. For numerical and (singly) jagged arrays, this is fast because a whole block of data can be interpreted as an array without modifying the data. For other cases, such as arrays of…

High Energy Physics - Experiment · Physics 2023-03-07 Aryan Roy , Jim Pivarski

Awkward Arrays and RDataFrame provide two very different ways of performing calculations at scale. By adding the ability to zero-copy convert between them, users get the best of both. It gives users a better flexibility in mixing different…

High Energy Physics - Experiment · Physics 2023-02-21 Ianna Osborne , Jim Pivarski

Awkward Array is a library for performing NumPy-like computations on nested, variable-sized data, enabling array-oriented programming on arbitrary data structures in Python. However, imperative (procedural) solutions can sometimes be easier…

Programming Languages · Computer Science 2023-10-04 Ianna Osborne , Jim Pivarski , Ioana Ifrim , Angus Hollands , Henry Schreiner

Raw data sizes are growing and proliferating in scientific research, driven by the success of data-hungry computational methods, such as machine learning. The preponderance of proprietary and shoehorned data formats make computations slower…

Databases · Computer Science 2022-01-02 David S. Smith

In some fields, scientific data formats differ across experiments due to specialized hardware and data acquisition systems. Researchers need to develop, document, and maintain experiment-specific analysis software to interact with these…

Programming Languages · Computer Science 2024-07-22 Manasvi Goyal , Andrea Zonca , Amy Roberts , Jim Pivarski , Ianna Osborne

The WARC file format is widely used by web archives to preserve collected web content for future use. With the rapid growth of web archives and the increasing interest to reuse these archives as big data sources for statistical and…

Digital Libraries · Computer Science 2020-05-28 Xinyue Wang , Zhiwu Xie

The Discrete Periodic Radon Transform (DPRT) has been extensively used in applications that involve image reconstructions from projections. This manuscript introduces a fast and scalable approach for computing the forward and inverse DPRT…

Hardware Architecture · Computer Science 2021-12-28 Cesar Carranza , Daniel Llamocca , Marios Pattichis

We present an efficient and simple modification of the standard transport algorithm used in explicit eulerian fixed polar grid codes, aimed at getting rid of the average azimuthal velocity when applying the Courant condition. This results…

Astrophysics · Physics 2009-10-31 F. Masset

Spatial dataflow architectures such as reconfigurable dataflow accelerators (RDA) can provide much higher performance and efficiency than CPUs and GPUs. In particular, vectorized reconfigurable dataflow accelerators (vRDA) in recent…

Hardware Architecture · Computer Science 2024-02-01 Alexander Rucker , Shiv Sundram , Coleman Smith , Matthew Vilim , Raghu Prabhakar , Fredrik Kjolstad , Kunle Olukotun

With the ever-increasing dataset sizes, several file formats like Parquet, ORC, and Avro have been developed to store data efficiently and to save network and interconnect bandwidth at the price of additional CPU utilization. However, with…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-05-24 Jayjeet Chakraborty , Ivo Jimenez , Sebastiaan Alvarez Rodriguez , Alexandru Uta , Jeff LeFevre , Carlos Maltzahn

With the ever-increasing dataset sizes, several file formats such as Parquet, ORC, and Avro have been developed to store data efficiently, save the network, and interconnect bandwidth at the price of additional CPU utilization. However,…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-04-14 Jayjeet Chakraborty , Ivo Jimenez , Sebastiaan Alvarez Rodriguez , Alexandru Uta , Jeff LeFevre , Carlos Maltzahn

The Rust programming language is an attractive choice for robotics and related fields, offering highly efficient and memory-safe code. However, a key limitation preventing its broader adoption in these domains is the lack of high-quality,…

Robotics · Computer Science 2025-04-23 Chen Liang , Qian Wang , Andy Xu , Daniel Rakita

We propose a programming technology that bridges cross-platform compatibility and hardware acceleration in ray tracing applications. Our methodology enables developers to define algorithms while our translator manages implementation…

Graphics · Computer Science 2024-09-20 Vladimir Frolov , Vadim Sanzharov , Garifullin Albert , Maxim Raenchuk , Alexei Voloboy

The ROOT TTree data format encodes hundreds of petabytes of High Energy and Nuclear Physics events. Its columnar layout drives rapid analyses, as only those parts ("branches") that are really used in a given analysis need to be read from…

Databases · Computer Science 2021-02-03 Jakob Blomer , Philippe Canal , Axel Naumann , Danilo Piparo

Modern computing systems face security threats, including memory corruption attacks, speculative execution vulnerabilities, and control-flow hijacking. Although existing solutions address these threats individually, they frequently…

Cryptography and Security · Computer Science 2025-12-19 Suraj Kumar Sah , Love Kumar Sah

Incrementalization speeds up computations by avoiding unnecessary recomputations and by efficiently reusing previous results. While domain-specific techniques achieve impressive speedups, e.g., in the context of database queries, they are…

Programming Languages · Computer Science 2026-05-26 Timon Böhler , Tobias Reinhard , David Richter , Mira Mezini

In this paper we propose a new family of RRT based algorithms, named RRT+ , that are able to find faster solutions in high-dimensional configuration spaces compared to other existing RRT variants by finding paths in lower dimensional…

Robotics · Computer Science 2016-12-28 Marios Xanthidis , Ioannis Rekleitis , Jason M. O'Kane

Software engineering practices such as constructing requirements and establishing traceability help ensure systems are safe, reliable, and maintainable. However, they can be resource-intensive and are frequently underutilized. To alleviate…

Software Engineering · Computer Science 2024-08-21 Katherine R. Dearstyne , Alberto D. Rodriguez , Jane Cleland-Huang

Arbitrary-scale video super-resolution (AVSR) aims to enhance the resolution of video frames, potentially at various scaling factors, which presents several challenges regarding spatial detail reproduction, temporal consistency, and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Wei Shang , Dongwei Ren , Wanying Zhang , Yuming Fang , Wangmeng Zuo , Kede Ma

ROOT is an object-oriented C++ framework conceived in the high-energy physics (HEP) community, designed for storing and analyzing petabytes of data in an efficient way. Any instance of a C++ class can be stored into a ROOT file in a…

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