Topic: Open-Source Software

SUNDIALS is a SUite of Nonlinear and DIfferential/ALgebraic equation Solvers for initial value problems for ordinary differential equation systems, sensitivity analysis capabilities, additive Runge-Kutta methods, differential-algebraic equation systems, nonlinear algebraic systems, and more.

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Computer engineer Ian Lee describes the Lab’s OSS community, activities, and policies. This talk was recorded for the 2020 LLNL Computing Virtual Expo.

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fpzip is a library for lossless or lossy compression of multidimensional floating-point arrays. It was primarily designed for lossless compression.

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A team of LLNL computer scientists and a collaborator from Argonne National Laboratory (ANL) won the Best Paper Award at the International Workshop on OpenMP (IWOMP) 2020 in September.

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The SAMRAI library is the code base in CASC for exploring application, numerical, parallel computing, and software issues associated with structured adaptive mesh refinement.

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LLNL computer scientist and Spack PI Todd Gamblin explains how the package manager works in this video from CppCon (C++ Conference). The video runs 6:53.

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This summer, the Computing Scholar Program welcomed 160 undergraduate and graduate students into virtual internships. The Lab’s open-source community was already primed for student participation.

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An interview with Todd Gamblin from the LLNL about the Spack project, discussing his current research project along with his involvement in Spack.

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LLNL computer scientist Stephen Herbein discusses the open-source Flux Framework HPC software on this video episode of Next Platform TV. His segment begins at 27:34.

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In this issue featuring LLNL's R&D 100 Award winners from 2019, the versatile Scalable Checkpoint/Restart framework offers more reliable simulation performance.

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In this issue featuring LLNL's R&D 100 Award winners from 2019, software deployment is faster and easier with the Spack package management tool.

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This video describes MFEM (Modular Finite Element Methods), an open-source software library that provides advanced mathematical algorithms for use by scientific applications.

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The Center for Efficient Exascale Discretizations recently released MFEM v4.1, which introduces features important for the nation’s first exascale supercomputers. LLNL's Tzanio Kolev explains.

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Elaine Raybourn interviews LLNL's Todd Gamblin about the Spack project's experience working remotely.

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The Maestro Workflow Conductor is a lightweight, open-source Python tool that can launch multi-step software simulation workflows in a clear, concise, consistent, and repeatable manner.

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The Exascale Computing Project's Let's Talk Exascale podcast has a new episode featuring LLNL's Todd Gamblin, who talks about the package manager Spack. Episode 67 runs 5:54 and includes a transcript.

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At SC19, there were Spack events each day of the conference. Spack is an open-source scientific software package manager for HPC environments, MacOS, and Linux platforms.

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Three LLNL teams, including the Spack package manager, netted regional awards for technology transfer from the Federal Laboratory Consortium (FLC) last week.

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Of the Lab's four R&D 100 Award winners for 2019, two are open-source software projects: SCR and Spack.

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In the third of three news features, LLNL-developed SCR software will contribute to the efficiency and effectiveness of the HPC leadership-class systems of tomorrow.

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In the second of three news features, LLNL-developed OpenZFS software will contribute to the efficiency and effectiveness of the HPC leadership-class systems of tomorrow.

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In the first of three news features, LLNL-developed Flux software will contribute to the efficiency and effectiveness of the HPC leadership-class systems of tomorrow.

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FGPU provides code examples that port FORTRAN codes to run on IBM OpenPOWER platforms like LLNL's Sierra supercomputer.

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