MOLECULAR DYNAMICS PERFORMANCE GUIDE - Digital Research Alliance of CANADA
ID=307
- Dataset: 9naw
- Software: GROMACS.ROCm (container/2026.0-SYCL (Adaptive CPP)-rocm-7.2.0-avx512)
- Resource: 4 tasks, 24 cores, 1 nodes, 4 GPUs, no NVLink
- CPU: AMD Instinct Accelerator MI300A (Aqua Vanjaram), 2.0 GHz
- GPU: AMD Instinct-MI300A-128GB, 24 cores/GPU
- Simulation speed: 14.504 ns/day
- Efficiency: 20.1 %
- Site: Nibi
- Date: March 12, 2026, 4:03 p.m.
- Submission script:
#!/bin/bash
#SBATCH --gpus=mi300a:4
#SBATCH --mem-per-cpu=4000
#SBATCH --time=1:0:0
#SBATCH --ntasks=4
#SBATCH --cpus-per-task=24
module load apptainer/1.3.5
apptainer run --rocm gromacs_amd.sif gmx mdrun \
-ntmpi 16 \
-ntomp 6 \
-npme 1 \
-nb gpu \
-pme gpu \
-update gpu \
-bonded gpu \
-nstlist 300 \
-noconfout \
-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