For many scientists exploring complex molecular systems, simulations can quickly become computationally intensive. Whether you’re studying membrane proteins, large biomolecular complexes, or running long timescale molecular dynamics (MD) simulations, the need for scalable resources often goes beyond what a typical desktop machine can handle.
If you’ve ever found yourself spending hours configuring GROMACS on a local cluster or waiting for long simulations to finish on your laptop, there’s a way to make the process smoother—running GROMACS simulations in the Cloud directly from the SAMSON platform.
The GROMACS Wizard Extension for SAMSON integrates cloud computing capabilities for molecular dynamics, making it possible to launch simulations remotely without complex setup.
Why Cloud-Based Simulations?
- No cluster configuration hassles: Skip manual installation and dependency issues. The extension ships with GROMACS pre-installed (currently GROMACS 2021.3).
- Flexible resources: Perform simulations that would otherwise take hours—or days—on a desktop, using cloud resources that scale with your needs.
- Seamless integration: Everything is handled through the SAMSON interface, including system preparation, execution, and result retrieval.
How the GROMACS Wizard Makes It Work
The Cloud computation feature is built directly into the GROMACS Wizard Extension. Here’s a simplified breakdown of the workflow:
- Prepare your system using the intuitive interface in SAMSON’s GROMACS Wizard.
- Navigate to the cloud simulation option inside the Wizard.
- Launch remote simulations with just a few clicks—no need for command-line input.
- Retrieve simulation trajectories, plots, and results directly into your SAMSON workspace once finished.
The extension takes care of file packaging, transfers, remote execution, and even monitoring progress. Whether you’re doing energy minimization or umbrella sampling, this feature can save time and effort.
When Is Cloud Computing Most Useful?
- When energy consumption on your own device is a concern (e.g., laptop users on battery power)
- When you want to run large numbers of simulations in parallel, for example, in parameter sweeps or ensemble averaging
- When you’re away from your lab but still need powerful compute access
Final Thoughts
With an increasing number of researchers working remotely or with limited access to high-performance computing infrastructure, the GROMACS Wizard’s cloud deployment capabilities in SAMSON offer an efficient and approachable solution. There’s no need for remote file transfers, shell scripting, or standalone login credentials—just sign into SAMSON Connect, configure your simulation, and launch it remotely.

To learn more or explore specific steps in the cloud workflow, you can visit the full tutorial: https://documentation.samson-connect.net/tutorials/gromacs-wizard/
SAMSON and all SAMSON Extensions are free for non-commercial use. You can download SAMSON at https://www.samson-connect.net.
