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The compute efficiency of Monte-Carlo event generators for the Large Hadron Collider is expected to become a major bottleneck for simulations in the high-luminosity phase. Aiming at the development of a full-fledged generator for modern…

High Energy Physics - Phenomenology · Physics 2022-01-11 Enrico Bothmann , Walter Giele , Stefan Hoeche , Joshua Isaacson , Max Knobbe

The rapid advancements in artificial intelligence (AI), particularly the Large Language Models (LLMs), have profoundly affected our daily work and communication forms. However, it is still a challenge to deploy LLMs on resource-constrained…

Hardware Architecture · Computer Science 2025-03-03 Mingqiang Huang , Ao Shen , Kai Li , Haoxiang Peng , Boyu Li , Yupeng Su , Hao Yu

Edge computing's growing prominence, due to its ability to reduce communication latency and enable real-time processing, is promoting the rise of high-performance, heterogeneous System-on-Chip solutions. While current approaches often…

Artificial Intelligence · Computer Science 2024-09-24 Rakshith Jayanth , Neelesh Gupta , Viktor Prasanna

A novel algorithm for computing the action of a matrix exponential over a vector is proposed. The algorithm is based on a multilevel Monte Carlo method, and the vector solution is computed probabilistically generating suitable random paths…

Numerical Analysis · Mathematics 2019-07-05 Juan A. Acebron , Jose R. Herrero , Jose Monteiro

A leading-order, leading-color parton-level event generator is developed for use on a multi-threaded GPU. Speed-up factors between 150 and 300 are obtained compared to an unoptimized CPU-based implementation of the event generator. In this…

High Energy Physics - Phenomenology · Physics 2011-07-14 Walter Giele , Gerben Stavenga , Jan-Christopher Winter

Deploying large language models (LLMs) for online inference is often constrained by limited GPU memory, particularly due to the growing KV cache during auto-regressive decoding. Hybrid GPU-CPU execution has emerged as a promising solution…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-16 Jiakun Fan , Yanglin Zhang , Xiangchen Li , Dimitrios S. Nikolopoulos

We present a case-study on the utility of graphics cards to perform massively parallel simulation of advanced Monte Carlo methods. Graphics cards, containing multiple Graphics Processing Units (GPUs), are self-contained parallel…

Computation · Statistics 2015-05-05 Anthony Lee , Christopher Yau , Michael B. Giles , Arnaud Doucet , Christopher C. Holmes

Matrix multiplication is a foundational operation in scientific computing and machine learning, yet its computational complexity makes it a significant bottleneck for large-scale applications. The shift to parallel architectures, primarily…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-30 Mufakir Qamar Ansari , Mudabir Qamar Ansari

We present Rex and teaRex, C++17 libraries for efficient management of parton-level hard scattering event information and completely generic reweighting of such events, respectively. Rex is primarily an interfacing and I/O library for Les…

High Energy Physics - Phenomenology · Physics 2025-10-07 Stefan Roiser , Robert Schöfbeck , Zenny Wettersten

We describe how quantum Monte Carlo calculations using the CASINO software can be accelerated using graphics processing units (GPUs) and OpenACC. In particular we consider offloading Ewald summation, the evaluation of long-range two-body…

Computational Physics · Physics 2025-12-24 B. Thorpe , M. J. Smith , P. J. Hasnip , N. D. Drummond

As fusion energy devices advance, plasma simulations are crucial for reactor design. Our work extends BIT1 hybrid parallelization by integrating MPI with OpenMP and OpenACC, focusing on asynchronous multi-GPU programming. Results show…

We summarise the motivation for, and the status of, the tools developed by CEDAR/MCnet for validating and tuning Monte Carlo event generators for the LHC against data from previous colliders. We then present selected preliminary results…

High Energy Physics - Phenomenology · Physics 2014-11-18 Andy Buckley , Hendrik Hoeth , Holger Schulz , Jan Eike von Seggern

Homomorphic encryption (HE) enables computation on encrypted data, and hence it has a great potential in privacy-preserving outsourcing of computations to the cloud. Hardware acceleration of HE is crucial as software implementations are…

Cryptography and Security · Computer Science 2022-10-13 Ahmet Can Mert , Aikata , Sunmin Kwon , Youngsam Shin , Donghoon Yoo , Yongwoo Lee , Sujoy Sinha Roy

Basic uniform pseudo-random number generators are implemented on ATI Graphics Processing Units (GPU). The performance results of the realized generators (multiplicative linear congruential (GGL), XOR-shift (XOR128), RANECU, RANMAR, RANLUX…

High Energy Physics - Lattice · Physics 2011-01-27 Vadim Demchik

In this paper, we demonstrate how GPU-accelerated BEM routines can be used in a simple black-box fashion to accelerate fast boundary element formulations based on Hierarchical Matrices (H-Matrices) with ACA (Adaptive Cross Approximation).…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-11-07 Kerstin Vater , Timo Betcke , Boris Dilba

As the LHC moves to higher energies and luminosity, the demand for computing resources increases accordingly and will soon outpace the growth of the Worldwide LHC Computing Grid. To meet this greater demand, event generation Monte Carlo was…

High Energy Physics - Phenomenology · Physics 2017-01-11 J. T. Childers , T. D. Uram , T. J. LeCompte , M. E. Papka , D. P. Benjamin

Mixture-of-Experts (MoE) models facilitate edge deployment by decoupling model capacity from active computation, yet their large memory footprint drives the need for GPU systems with near-data processing (NDP) capabilities that offload…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-08 Qi Wu , Chao Fang , Jiayuan Chen , Ye Lin , Yueqi Zhang , Yichuan Bai , Yuan Du , Li Du

One of the most important and commonly used operations in many linear algebra functions is matrix-matrix multiplication (GEMM), which is also a key component in obtaining high performance of many scientific codes. It is a computationally…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-03-18 Nenad Mijić , Davor Davidović

We present the latest developments of the MadGraph/MadEvent Monte Carlo event generator and several applications to hadron collider physics. In the current version events at the parton, hadron and detector level can be generated directly…

High Energy Physics - Phenomenology · Physics 2014-11-18 Johan Alwall , Pavel Demin , Simon de Visscher , Rikkert Frederix , Michel Herquet , Fabio Maltoni , Tilman Plehn , David L. Rainwater , Tim Stelzer

Event generation with neural networks has seen significant progress recently. The big open question is still how such new methods will accelerate LHC simulations to the level required by upcoming LHC runs. We target a known bottleneck of…

High Energy Physics - Phenomenology · Physics 2021-04-28 Mathias Backes , Anja Butter , Tilman Plehn , Ramon Winterhalder