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Related papers: A C++ interface to QCDNUM

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I present a preliminary version of {\tt APFEL++}, a C++ rewriting of the Fortran 77 evolution code {\tt APFEL}. In this contribution I discuss the new philosophy adopted for the numerical computation of the convolutions, demonstrate the…

High Energy Physics - Phenomenology · Physics 2017-08-04 Valerio Bertone

Large Language Models (LLMs) are increasingly being leveraged for generating and translating scientific computer codes by both domain-experts and non-domain experts. Fortran has served as one of the go to programming languages in legacy…

Although many active scientific codes use modern Fortran, most contemporary scientific software "libraries" are implemented in C and C++. Providing their numerical, algorithmic, or data management features to Fortran codes requires writing…

Software Engineering · Computer Science 2019-07-04 Seth R. Johnson , Andrey Prokopenko , Katherine J. Evans

We present differential equation for evolution of interface based on continuous approximation of Temkin's model

Materials Science · Physics 2008-10-21 Toni Ivas

The QCDNUM program numerically solves the evolution equations for parton densities and fragmentation functions in perturbative QCD. Un-polarised parton densities can be evolved up to next-to-next-to-leading order in powers of the strong…

High Energy Physics - Phenomenology · Physics 2010-11-23 M. Botje

The aim of this work is to define and implement an extended C++ language to support the SIMD programming paradigm. The C++ programming language has been extended to express all the potentiality of an abstract SIMD machine consisting of a…

Programming Languages · Computer Science 2007-05-23 Alessandro Lonardo , Emanuele Panizzi , Benedetto Proietti

Translating legacy Fortran code into C++ is a crucial step in modernizing high-performance computing (HPC) applications. However, the scarcity of high-quality, parallel Fortran-to-C++ datasets and the limited domain-specific expertise in…

Machine Learning · Computer Science 2025-02-04 Le Chen , Bin Lei , Dunzhi Zhou , Pei-Hung Lin , Chunhua Liao , Caiwen Ding , Ali Jannesari

Numerical simulations based on particle methods have been widely used in various fields including astrophysics. To date, simulation softwares have been developed by individual researchers or research groups in each field, with a huge amount…

Instrumentation and Methods for Astrophysics · Physics 2018-06-27 Daisuke Namekata , Masaki Iwasawa , Keigo Nitadori , Ataru Tanikawa , Takayuki Muranushi , Long Wang , Natsuki Hosono , Kentaro Nomura , Junichiro Makino

forqs is a forward-in-time simulation of recombination, quantitative traits, and selection. It was designed to investigate haplotype patterns resulting from scenarios where substantial evolutionary change has taken place in a small number…

Populations and Evolution · Quantitative Biology 2013-10-14 Darren Kessner , John Novembre

This note describes a Mathematica interface for Fortran code generated by FormCalc. The interfacing code is set up automatically so that only minuscule changes in the driver files are required. The interface makes a function to compute the…

High Energy Physics - Phenomenology · Physics 2008-11-26 T. Hahn

The QCDMAPT program package facilitates computations in the framework of dispersive approach to Quantum Chromodynamics. The QCDMAPT_F version of this package enables one to perform such computations with Fortran, whereas the previous…

High Energy Physics - Phenomenology · Physics 2011-07-07 A. V. Nesterenko , C. Simolo

This effort examines the intersection of the emerging field of quantum computing and the more established field of evolutionary computation. The goal is to understand what benefits quantum computing might offer to computational intelligence…

Neural and Evolutionary Computing · Computer Science 2008-12-18 Donald A. Sofge

The reference implementation of Cartesian Genetic Programming (CGP) was written in the C programming language. C inherently follows a procedural programming paradigm, which entails challenges in providing a reusable and scalable…

Neural and Evolutionary Computing · Computer Science 2024-06-14 Roman Kalkreuth , Thomas Baeck

A comparison of PGI OpenACC, FORTRAN CUDA, and Nvidia CUDA pseudospectral methods on a single GPU and GCC FORTRAN on single and multiple CPU cores is reported. The GPU implementations use CuFFT and the CPU implementations use FFTW. Porting…

Computational Physics · Physics 2012-08-14 B. Cloutier , B. K. Muite , P. Rigge

The Mutation++ library provides accurate and efficient computation of physicochemical properties associated with partially ionized gases in various degrees of thermal nonequilibrium. With v1.0.0, users can compute thermodynamic and…

Computational Physics · Physics 2020-08-11 James B. Scoggins , Vincent Leroy , Georgios Bellas-Chatzigeorgis , Bruno Dias , Thierry E. Magin

This paper presents a comparative study to evaluate and compare Fortran with the two most popular programming languages Java and C++. Fortran has gone through major and minor extensions in the years 2003 and 2008. (1) How much have these…

Programming Languages · Computer Science 2014-07-09 Shahid Alam

The Fortran package QCD-PEGASUS is presented. This program provides fast, flexible and accurate solutions of the evolution equations for unpolarized and polarized parton distributions of hadrons in perturbative QCD. The evolution is…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. Vogt

Multi-dimensional arrays are ubiquitous in high-performance computing (HPC), but their absence from the C++ language standard is a long-standing and well-known limitation of their use for HPC. This paper describes the design and…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-14 D. S. Hollman , Bryce Adelstein Lelbach , H. Carter Edwards , Mark Hoemmen , Daniel Sunderland , Christian R. Trott

Artificial neural networks have achieved great success in many fields ranging from image recognition to video understanding. However, its high requirements for computing and memory resources have limited further development on processing…

Quantum Physics · Physics 2021-08-05 Yanxuan Lü , Qing Gao , Jinhu Lü , Maciej Ogorzałek , Jin Zheng

Bridge++ is a general-purpose code set for a numerical simulation of lattice QCD aiming at a readable, extensible, and portable code while keeping practically high performance. The previous version of Bridge++ is implemented in double…

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