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GROMACS

2024 Open source
Molecular Dynamics Available

Run GROMACS on Slurm-backed HPC at WECORE: high-throughput biomolecular dynamics for proteins, lipids, and nucleic acids, with non-bonded work offloaded to GPU and multi-node MPI where it pays.

GPU MPI Slurm
Overview

Understanding GROMACS.

GROMACS is a molecular dynamics engine written for biomolecular systems and tuned for throughput.

Its non-bonded kernels are hand-optimized per architecture, and its GPU offload path is mature enough that a well-configured single node often outperforms a naive multi-node run.

Use cases

What people run it for.

Protein folding and conformational sampling

Run folding studies and conformational sampling long enough for the slow motions to show up.

Membranes and lipid bilayers

Build and equilibrate bilayer systems, then run membrane proteins in a realistic lipid environment.

Binding and free-energy perturbation

Estimate protein–ligand binding free energies from perturbation windows, each queued as an independent job.

Nucleic-acid dynamics and long production runs

Run nucleic-acid systems and the long production campaigns that ensemble methods depend on.

Run modes

How it runs on WECORE.

Slurm batch

Slurm arrays for replica ensembles

Queue many independent replicas rather than one enormous job, which is the shape most GROMACS work takes. Multi-node MPI is there for the single system that genuinely needs it.

GPU

Non-bonded work on GPU nodes

GPU nodes carry the non-bonded kernels, and a well-configured single node often beats a naive multi-node run. The useful question is how many replicas finish per day, not how fast one step is.

Coming soon

Bring your simulation stack to a cloud you control.

OpenFOAM, LAMMPS, and GROMACS are ready now, with the rest of the catalog rolling out. Request early access and tell us which app you need next.