MOLECULAR DYNAMICS PERFORMANCE GUIDE - Digital Research Alliance of CANADA
ID=289
- Dataset: 9naw
- Software: GROMACS.mpi (gromacs/2024.4-gofb-2023a-avx512)
- Resource: 192 tasks, 1 cores, 1 nodes, 0 GPUs, no NVLink
- CPU: EPYC 9654 (Genoa), 2.4 GHz
- GPU: None
- Simulation speed: 9.234 ns/day
- Efficiency: 42.6 %
- Site: Rorqual
- Date: Sept. 7, 2025, 11:24 p.m.
- Submission script:
#!/bin/bash
#SBATCH --nodes=1 -c1 --mem-per-cpu=4000 --ntasks=192 --time=2:0:0
export OMP_NUM_THREADS="${SLURM_CPUS_PER_TASK:-1}"
module load StdEnv/2023 gcc/12.3 openmpi/4.1.5 gromacs/2024.4
srun gmx_mpi mdrun -s topol.tpr
- Notes:
- Simulation input file:
title = benchmark
; Run parameters
integrator = md
nsteps = 100000
dt = 0.002
; Output control
nstxout = 0
nstvout = 0
nstfout = 0
nstenergy = 1000
nstlog = 500
nstxout-compressed = 5000
compressed-x-grps = System
; Bond parameters
continuation = yes
constraint_algorithm = Lincs
constraints = h-bonds
; Neighborsearching
cutoff-scheme = Verlet
ns_type = grid
nstlist = 10
rcoulomb = 0.8
rvdw = 0.8
DispCorr = Ener ; anaytic VDW correction
; Electrostatics
coulombtype = PME
pme_order = 4
fourier-nx = 324
fourier-ny = 324
fourier-nz = 324
; Temperature coupling is on
tcoupl = V-rescale
tc-grps = system
tau_t = 0.1
ref_t = 300
; Pressure coupling is on
pcoupl = Parrinello-Rahman
pcoupltype = isotropic
tau_p = 2.0
ref_p = 1.0
compressibility = 4.5e-5
; Periodic boundary conditions
pbc = xyz
; Velocity generation
gen_vel = no