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zfp
Compressed numerical arrays that support high-speed random accesssundials
Official development repository for SUNDIALS - a SUite of Nonlinear and DIfferential/ALgebraic equation Solvers. Pull requests are welcome for bug fixes and minor changes.RAJA
RAJA Performance Portability Layer (C++)Caliper
Caliper is an instrumentation and performance profiling libraryUmpire
An application-focused API for memory management on NUMA & GPU architecturesblt
A streamlined CMake build system foundation for developing HPC softwarelbann
Livermore Big Artificial Neural Network ToolkitSAMRAI
Structured Adaptive Mesh Refinement Application Infrastructure - a scalable C++ framework for block-structured AMR application developmenthiop
HPC solver for nonlinear optimization problemslibROM
Model reduction library with an emphasis on large scale parallelism and linear subspace methodsHPC-Tutorials
Future home of hpc-tutorials.llnl.govmagpie
Magpie contains a number of scripts for running Big Data software in HPC environments, including Hadoop and Spark. There is support for Lustre, Slurm, Moab, Torque. LSF, Flux, and more.conduit
Simplified Data Exchange for HPC Simulationsunits
A run-time C++ library for working with units of measurement and conversions between them and with string representations of units and measurementsmaestrowf
A tool to easily orchestrate general computational workflows both locally and on supercomputersserac
Serac is a high order nonlinear thermomechanical simulation codemerlin
Machine Learning for HPC Workflowsaxom
CS infrastructure components for HPC applicationsior
Parallel filesystem I/O benchmarkcowc
Cars Overhead With Context related scripts described in Mundhenk et al. 2016 ECCV.CHAI
Copy-hiding array abstraction to automatically migrate data between memory spacesUnifyFS
UnifyFS: A file system for burst buffersscr
SCR caches checkpoint data in storage on the compute nodes of a Linux cluster to provide a fast, scalable checkpoint / restart capability for MPI codes.LULESH
Livermore Unstructured Lagrangian Explicit Shock Hydrodynamics (LULESH)RAJAPerf
RAJA Performance Suiteumap
User-space Page Managementshroud
Shroud: generate Fortran and Python wrappers for C and C++ librariesMacPatch
Software & Patch management for macOSFAST
Fusion models for Atomic and molecular STructures (FAST)msr-safe
Allows safer access to model specific registers (MSRs)Aluminum
High-performance, GPU-aware communication libraryyorick
yorick interpreted languagefpzip
Lossless compressor of multidimensional floating-point arrayscamp
Compiler agnostic metaprogramming library providing concepts, type operations and tuples for C++ and cudampiP
A light-weight MPI profiler.dataracebench
Data race benchmark suite for evaluating OpenMP correctness tools aimed to detect data races.GOTCHA
GOTCHA is a library for wrapping function calls in shared librariesSTAT
STAT - the Stack Trace Analysis Toollmt
Lustre Monitoring Toolsvariorum
Vendor-neutral library for exposing power and performance features across diverse architecturesspheral
pyranda
A Python driven, Fortran powered Finite Difference solver for arbitrary hyperbolic PDE systems. This is the mini-app for the Miranda code.lustre
LLNL's branches of LustrepylibROM
Python interface for libROM, library for reduced order modelslibmsr
Wrapper library for model-specific registers. APIs cover RAPL, performance counters, clocks and turbo.metall
Persistent memory allocator for data-centric analyticscardioid
Cardiac simulation toolkit.scraper
Python library for getting metadata from source code hosting toolsllnl.github.io
Public home for LLNL software catalogmpiBench
MPI benchmark to test and measure collective performanceAbmarl
Agent Based Modeling and Reinforcement LearningH5Z-ZFP
A registered ZFP compression plugin for HDF5ExaCA
Cellular automata code for alloy nucleation and solidification written with Kokkosmttime
Time Domain Moment Tensor Inversion in Pythonquandary
Optimal control for open quantum systemsqball
Qball (also known as qb@ll) is a first-principles molecular dynamics code that is used to compute the electronic structure of atoms, molecules, solids, and liquids within the Density Functional Theory (DFT) formalism. It is a fork of the Qbox code by Francois Gygi.Juqbox.jl
Juqbox.jl solves quantum optimal control problems in closed quantum systemsLaSDI
unum
Universal Number LibraryGridDyn
GridDyn is an open-source power transmission simulation software packageDJINN
Deep jointly-informed neural networks -- as easy-to-use algorithm for designing/initializing neural netsCxxPolyFit
A simple library for producing multidimensional polynomial fits for C++ExaConstit
A crystal plasticity FEM code that runs on the GPUacrotensor
A C++ library for computing large scale tensor contractions.mgmol
MGmol is a scalable O(N) First-Principles Molecular Dynamics code that is capable of performing large-scale electronics structure calculations and molecular dynamics simulations of atomistic systems.zero-rk
Zero-order Reaction Kinetics (Zero-RK) is a software package that simulates chemically reacting systems in a computationally efficient manner.wrap
MPI wrapper generator, for writing PMPI tool librariescruise
User space POSIX-like file system in main memoryddcMD
A fully GPU-accelerated molecular dynamics program for the Martini force fieldQuicksilver
A proxy app for the Monte Carlo Transport Code, Mercury. LLNL-CODE-684037MACSio
A Multi-purpose, Application-Centric, Scalable I/O Proxy ApplicationKripke
Kripke is a simple, scalable, 3D Sn deterministic particle transport codeUEDGE
2D fluid simulation of plasma and neutrals in magnetic fusion devicesFGPU
graphite
A repository for implementing graph network models based on atomic structures.CallFlow
Visualization tool for analyzing call trees and graphsAMPE
Adaptive Mesh Phase-field EvolutiongLaSDI
burstfs
FPChecker
A dynamic analysis tool to detect floating-point errors in HPC applications.ravel
Ravel MPI trace visualization toolygm
mpibind
Pragmatic, Productive, and Portable Affinity for HPCCARE
CHAI and RAJA provide an excellent base on which to build portable codes. CARE expands that functionality, adding new features such as loop fusion capability and a portable interface for many numerical algorithms. It provides all the basics for anyone wanting to write portable code.AMG
Algebraic multigrid benchmarkuberenv
Automates using spack to build and deploy softwarehavoqgt
hatchet
Graph-indexed Pandas DataFrames for analyzing hierarchical performance databenchpark
An open collaborative repository for reproducible specifications of HPC benchmarks and cross site benchmarking environmentsSilo
Mesh and Field I/O Library and Scientific DatabasempiGraph
MPI benchmark to generate network bandwidth imagesmuster
Massively Scalable Clusteringcram
Tool to run many small MPI jobs inside of one large MPI job.SoRa
SoRa uses genetic programming to find mathematical representations from experimental dataTask-Time-Tracker
A client side web app for tracking your timeapollo
Apollo: Online Machine Learning for Performance PortabilityMemAxes
Interactive Visualization of Memory Access Samplescsld
Compressive sensing lattice dynamicsMultiscaleTopOpt
A 3D multsicale topology optimization code using surrogate models of lattice microscale responseinq
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