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Category: Simulators

Towards full adoption of LLVM: building a productive SQLite3 library installation required by TensorFlow

Towards full adoption of LLVM: building a productive SQLite3 library installation required by TensorFlow

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Nowadays, the management of TensorFlow models using the SQLite3 library is becoming more and more demanded. It has become a standard practice for applicants for HPC resources to insist on accessing an optimized installation of the SQLite3 library, and avoid the one provided by the Linux distribution or delivered by Conda. Until one becomes involved in dealing with the constant changing of large sets of models, that might seem like an exaggeration or overstatement. It should be noted that the…

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[Computed on Discoverer] Calculation and visualization of protein conformations generation in implicit solvent

[Computed on Discoverer] Calculation and visualization of protein conformations generation in implicit solvent

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We have numerous results we would like to share with you. One instance is the computation that demonstrates the conformation changes that make the protein to fold and unfold. The proper analysis of those changes help to measure the free energy of different processes related to the protein chain transformations. Our protein model representation depicts the side chains of each residue by utilizing a coarse grain force field, as illustrated in the video slides. By doing this, we significantly reduce…

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[Computed on Discoverer] Computation and visualization of ensemble averages

[Computed on Discoverer] Computation and visualization of ensemble averages

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The molecular dynamics simulations provide great details at the nanoscale level for relatively big systems (up to several million atoms). Very often the material environment of certain functional groups, selected atoms, clusters of atoms, and other low to high-level structural elements, is numerically evaluated employing radial distribution functions (RDF). That method is powerful, well studied, and largely implemented for analysis. But it cannot provide a visual spatial estimate for the investigated environment. If you have a molecule surrounded by ions,…

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ABINIT 9.8.2 on Discoverer HPC

ABINIT 9.8.2 on Discoverer HPC

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ABINIT is a powerful package for calculating a variety of optical, mechanical, vibrational, and other observable properties of materials. It is written in Fortran 95 and supports distributed parallelization model based on MPI library. This post is about how ABINIT 9.8.2 code can be compiled for high productivity on Discoverer HPC. The compilation of ABINIT code relies on the presence of a number of external auxiliary libraries, which have to be installed on the build host in advance. Most important…

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