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We describe a Common Lisp package suitable for the high-level design, specification, simulation, and instrumentation of real-time distributed algorithms and hardware on which to run them. We discuss various design decisions around the…

分布式、并行与集群计算 · 计算机科学 2021-04-26 Eric C. Peterson , Peter J. Karalekas

A discrete-event simulation (DES) involves the execution of a sequence of event handlers dynamically scheduled at runtime. As a consequence, a priori knowledge of the control flow of the overall simulation program is limited. In particular,…

性能 · 计算机科学 2018-05-14 Marc Leinweber , Hannes Hartenstein , Philipp Andelfinger

This paper describes a user-friendly frontend to a Fortran program that integrates coupled nonlinear ordinary differential equations. The user interface is built using the NeXTstep Interface Builder, together with a public-domain graphical…

核理论 · 物理学 2009-10-22 Richard R. Silbar

To harness the potential of advanced computing technologies, efficient (real time) analysis of large amounts of data is as essential as are front-line simulations. In order to optimise this process, experts need to be supported by…

分布式、并行与集群计算 · 计算机科学 2018-07-03 Jovana Knežević , Ralf-Peter Mundani , Ernst Rank

Sequential algorithms are popular for experimental design, enabling emulation, optimisation and inference to be efficiently performed. For most of these applications bespoke software has been developed, but the approach is general and many…

统计计算 · 统计学 2021-10-18 Matthew A. Fisher , Onur Teymur , Chris. J. Oates

This paper considers a practical mobile edge computing (MEC) system, where edge server does not pre-install the program required to perform user offloaded computing tasks. A partial program offloading (PPO) scheme is proposed, which can…

网络与互联网体系结构 · 计算机科学 2022-02-25 Taizhou Yi , Guopeng Zhang , Kezhi Wang , Kun Yang

Achieving fault-tolerance will require a strong relationship between the hardware and the protocols used. Different approaches will therefore naturally have tailored proof-of-principle experiments to benchmark progress. Nevertheless,…

量子物理 · 物理学 2024-05-28 Milan Liepelt , Tommaso Peduzzi , James R. Wootton

In these proceedings we report our progress in the development of the publicly available C++ library NJet for accurate calculations of high-multiplicity one-loop amplitudes. As a phenomenological application we present the first complete…

高能物理 - 唯象学 · 物理学 2015-06-18 Simon Badger , Benedikt Biedermann , Peter Uwer , Valery Yundin

We review the methods developed for combining the parton shower approximation to QCD with fixed-order perturbation theory, in such a way as to achieve next-to-leading-order (NLO) accuracy for inclusive observables. This has made it possible…

高能物理 - 唯象学 · 物理学 2015-06-04 Paolo Nason , Bryan Webber

Jet cross sections can be in principle compared to simple pQCD calculations, based on the hypothesis of factorization. But often it is useful or even necessary to not only compute the production rate of the very high pt jets, but in…

高能物理 - 唯象学 · 物理学 2010-06-16 S. Porteboeuf , T. Pierog , K. Werner

High energy physics detectors can be described hierarchically from the different subsystems to their divisions in r, phi, theta and to the individual readout channels. An identification schema that follows the logical decomposition of the…

计算物理 · 物理学 2007-05-23 C. Arnault , A. Schaffer

C++ code snippets from a multi-core parallel memory-efficient crossover for genetic programming are given. They may be adapted for separate generation evolutionary algorithms where large chromosomes or small RAM require no more than M + (2…

神经与进化计算 · 计算机科学 2026-05-07 W. B. Langdon

Merging the benefits of an NLO calculation with event generators is a topic of current interest. Among other things, it is advantageous to be able to generate unweighted events according to NLO matrix elements. I report on an algorithm…

高能物理 - 唯象学 · 物理学 2007-05-23 Stefan Weinzierl

We present a program allowing for the construction of a heavy ion Monte Carlo event using a general purpose proton--proton event generator of the users' choice to deliver sub--collisions. In this heavy ion event, one or more jets can be…

高能物理 - 唯象学 · 物理学 2018-07-04 Johannes Bellm , Christian Bierlich

We present a method to combine next-to-leading order (NLO) matrix elements in QCD with leading logarithmic parton showers by applying a suitably modified version of the phase-space-slicing method. The method consists of subsuming the NLO…

高能物理 - 唯象学 · 物理学 2009-10-31 B. Pötter

We discuss an extension of matrix element plus parton shower merging at leading and next-to-leading order. The algorithm does preserve inclusive cross sections at the respective input order. This constraint avoids potentially large…

高能物理 - 唯象学 · 物理学 2013-07-03 Simon Plätzer

Coding over subsets (known as generations) rather than over all content blocks in P2P distribution networks and other applications is necessary for a number of practical reasons such as computational complexity. A penalty for coding only…

信息论 · 计算机科学 2010-05-04 Yao Li , Emina Soljanin , Predrag Spasojevic

We study the problem of executing an application represented by a precedence task graph on a parallel machine composed of standard computing cores and accelerators. Contrary to most existing approaches, we distinguish the allocation and the…

分布式、并行与集群计算 · 计算机科学 2017-11-20 Marcos Amaris , Giorgio Lucarelli , Clément Mommessin , Denis Trystram

Heterogeneous computing is becoming mainstream in all scopes. This new era in computer architecture brings a new paradigm called Accelerator Level Parallelism (ALP). In ALP, accelerators are used concurrently to provide unprecedented levels…

分布式、并行与集群计算 · 计算机科学 2022-09-22 Pablo Antonio Martínez , Gregorio Bernabé , Jose Manuel García

Stochastic algorithms are efficient approaches to solving machine learning and optimization problems. In this paper, we propose a general framework called Splash for parallelizing stochastic algorithms on multi-node distributed systems.…

机器学习 · 计算机科学 2015-09-24 Yuchen Zhang , Michael I. Jordan