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Access transparency means that both local and remote resources are accessed using identical operations. With transparency, unmodified single-machine applications could run over disaggregated compute, storage, and memory resources. Hiding…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-11-23 Aitor Arjona , Gerard Finol , Pedro Garcia-Lopez

Python is a popular programming language known for its ease of learning and extensive libraries. However, concerns about performance and energy consumption have led to the development of compilers to enhance Python code efficiency. Despite…

Programming Languages · Computer Science 2025-05-06 Vincenzo Stoico , Andrei Calin Dragomir , Patricia Lago

We present nbodykit, an open-source, massively parallel Python toolkit for analyzing large-scale structure (LSS) data. Using Python bindings of the Message Passing Interface (MPI), we provide parallel implementations of many commonly used…

Instrumentation and Methods for Astrophysics · Physics 2018-10-31 Nick Hand , Yu Feng , Florian Beutler , Yin Li , Chirag Modi , Uros Seljak , Zachary Slepian

Graph Neural Networks (GNNs) are emerging ML models to analyze graph-structure data. Graph Neural Network (GNN) execution involves both compute-intensive and memory-intensive kernels, the latter dominates the total time, being significantly…

We present a simple library which equips MPI implementations with truly asynchronous non-blocking point-to-point operations, and which is independent of the underlying communication infrastructure. It utilizes the MPI profiling interface…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-02-19 Markus Wittmann , Georg Hager , Thomas Zeiser , Gerhard Wellein

The performance of biomolecular molecular dynamics simulations has steadily increased on modern high performance computing resources but acceleration of the analysis of the output trajectories has lagged behind so that analyzing simulations…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-03-31 Mahzad Khoshlessan , Ioannis Paraskevakos , Geoffrey C. Fox , Shantenu Jha , Oliver Beckstein

Python is the de-facto language for software development in artificial intelligence (AI). Commonly used libraries, such as PyTorch and TensorFlow, rely on parallelization built into their BLAS backends to achieve speedup on CPUs. However,…

Machine Learning · Computer Science 2025-05-02 Maksim Helmann , Alexander Strack , Dirk Pflüger

An open source software package for performing dynamic RMS simulation of small to medium-sized power systems is presented, written entirely in the Python programming language. The main objective is to facilitate fast prototyping of new wide…

Systems and Control · Electrical Eng. & Systems 2021-01-11 Hallvar Haugdal , Kjetil Uhlen

This work presents a heterogeneous communication library for clusters of processors and FPGAs. This library, Shoal, supports the Partitioned Global Address Space (PGAS) memory model for applications. PGAS is a shared memory model for…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-27 Varun Sharma , Paul Chow

In this paper, we report on a preliminary investigation of the potential performance gain of programs implemented in field-programmable gate arrays (FPGAs) using a high-level language Chisel compared to ordinary high-level software…

Performance · Computer Science 2022-05-27 Maja H. Kirkeby , Martin Schoeberl

Parallel programs written using the standard Message Passing Interface (MPI) frequently depend upon the ability to efficiently execute collective operations. MPI_Scan is a collective operation defined in MPI that implements parallel prefix…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-08-22 Omer Arap , Martin Swany

We present PyCARL, a PyNN-based common Python programming interface for hardware-software co-simulation of spiking neural network (SNN). Through PyCARL, we make the following two key contributions. First, we provide an interface of PyNN to…

Neural and Evolutionary Computing · Computer Science 2020-05-13 Adarsha Balaji , Prathyusha Adiraju , Hirak J. Kashyap , Anup Das , Jeffrey L. Krichmar , Nikil D. Dutt , Francky Catthoor

In this paper, we present resolvent4py, a parallel Python package for the analysis, model reduction and control of large-scale linear systems with millions or billions of degrees of freedom. This package provides the user with a friendly…

We introduce an open source python framework named PHS - Parallel Hyperparameter Search to enable hyperparameter optimization on numerous compute instances of any arbitrary python function. This is achieved with minimal modifications inside…

Machine Learning · Computer Science 2020-02-28 Peter Michael Habelitz , Janis Keuper

The Epiphany is a many-core, low power, low on-chip memory architecture and one can very cheaply gain access to a number of parallel cores which is beneficial for HPC education and prototyping. The very low power nature of these…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-29 Nick Brown

Data movement between memory and processors is a major bottleneck in modern computing systems. The processing-in-memory (PIM) paradigm aims to alleviate this bottleneck by performing computation inside memory chips. Real PIM hardware (e.g.,…

Hardware Architecture · Computer Science 2023-10-04 Jinfan Chen , Juan Gómez-Luna , Izzat El Hajj , Yuxin Guo , Onur Mutlu

Currently, Python is one of the most widely used languages in various application areas. However, it has limitations when it comes to optimizing and parallelizing applications due to the nature of its official CPython interpreter,…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-05-24 Andrés Milla , Enzo Rucci

The progression of communication in the Message Passing Interface (MPI) is not well defined, yet it is critical for application performance, particularly in achieving effective computation and communication overlap. The opaque nature of MPI…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-16 Hui Zhou , Robert Latham , Ken Raffenetti , Yanfei Guo , Rajeev Thakur

The PGAS model is well suited for executing irregular applications on cluster-based systems, due to its efficient support for short, one-sided messages. However, there are currently two major limitations faced by PGAS applications. The…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-06-22 Sri Raj Paul , Akihiro Hayashi , Kun Chen , Vivek Sarkar

The hybrid MPI+X programming paradigm, where X refers to threads or GPUs, has gained prominence in the high-performance computing arena. This corresponds to a trend of system architectures growing more heterogeneous. The current MPI…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-08-31 Hui Zhou , Ken Raffenetti , Yanfei Guo , Rajeev Thakur