Topic: Open-Source Software

The Exascale Computing Project's Let's Talk Exascale podcast has a new episode (5:54) featuring LLNL's Todd Gamblin, who talks about the package manager Spack.

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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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The hypre library's comprehensive suite of scalable parallel linear solvers makes large-scale scientific simulations possible by solving problems faster.

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Umpire is a resource management library that allows the discovery, provision, and management of memory on next-generation architectures.

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Users need tools that address bottlenecks, work with programming models, provide automatic analysis, and overcome the complexities and changing demands of exascale architectures.

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This open-source file system framework supports hierarchical HPC storage systems by utilizing node-local burst buffers.

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Highlights include CASC director Jeff Hittinger's vision for the center as well as recent work with PruneJuice DataRaceBench, Caliper, and SUNDIALS.

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The PRUNERS Toolset offers four novel debugging and testing tools to assist programmers with detecting, remediating, and preventing errors in a coordinated manner.

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BLT software supports HPC software development with built-in CMake macros for external libraries, code health checks, and unit testing.

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MacPatch provides LLNL with enterprise system management for desktop and laptop computers running Mac OS X.

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A new software model helps move million-line codes to various hardware architectures by automating data movement in unique ways.

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Highlights include the directorate's annual external review, machine learning for ALE simulations, CFD modeling for low-carbon solutions, seismic modeling, and an in-line floating point compression tool.

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SOAR (Stateless, One-pass Adaptive Refinement) is a view-dependent mesh refinement and rendering algorithm.

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Sphinx, an integrated parallel microbenchmark suite, consists of a harness for running performance tests and extensive tests of MPI, Pthreads and OpenMP.

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Highlights include the HYPRE library, recent data science efforts, the IDEALS project, and the latest on the Exascale Computing Project.

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Apollo, an auto-tuning extension of RAJA, improves performance portability in adaptive mesh refinement, multi-physics, and hydrodynamics codes via machine learning classifiers.

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Large Linux data centers require flexible system management. At Livermore Computing, we are committed to supporting our Linux ecosystem at the high end of commodity computing.

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GLVis is a lightweight tool for accurate and flexible finite element visualization that provides interactive visualizations of general FE meshes and solutions.

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Livermore builds an open-source community around its award-winning HPC package manager.

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LLNL’s Stack Trace Analysis Tool helps users quickly identify errors in code running on today’s largest machines.

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LLNL’s version of Qbox, a first-principles molecular dynamics code, will let researchers accurately calculate bigger systems on supercomputers.

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ROSE, an open-source project maintained by Livermore researchers, provides easy access to complex, automated compiler technology and assistance.

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The Earth System Grid Federation is a web-based tool set that powers most global climate change research.

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hzip 1.0.1 is a C++ library for lossless compression of structured and unstructured meshes composed of cells with hypercube topology.

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