EPCC RISC-V testbed team
EPCC RISC-V testbed team

We have a variety of RISC-V compute nodes within a Slurm cluster that you can execute your code upon, with more added as time progresses. This page details how to gain access to run your codes on the nodes and which are currently available.

Accessing the cluster

You must first ssh to the riscv-login server where you will compile your code. The compiled code is then run on the RISC-V nodes using Slurm.

NOTE: Whole cluster down 25th August due to hardware upgrade.

List of available nodes

Description Hostname # of cores DRAM Status
DongshanNezhaSTU #1 rvc01 1 512MB down
(TBA)
DongshanNezhaSTU #2 rvc02 1 512MB down
(TBA)
DongshanNezhaSTU #3 rvc03 1 512MB down
(TBA)
DongshanNezhaSTU #4 rvc04 1 512MB down
(TBA)
MangoPi MQ-Pro #1 rvc05 1 1GB up
MangoPi MQ-Pro #2 rvc06 1 1GB up
StarFive VisionFive V1 #1 rvc07 2 8GB up
StarFive VisionFive V1 #2 rvc08 2 8GB up
StarFive VisionFive V1 #3 rvc09 2 8GB down
(TBA)
HiFive Unmatched rvc10 4 16GB up
StarFive VisionFive V2 #1 rvc11 4 8GB up
StarFive VisionFive V2 #2 rvc12 4 8GB up
StarFive VisionFive V2 #3 rvc13 4 8GB up
StarFive VisionFive V2 #4 rvc14 4 8GB up
StarFive VisionFive V2 #5 rvc15 4 8GB up
StarFive VisionFive V2 #6 rvc16 4 8GB up
StarFive VisionFive V2 #7 rvc17 4 8GB up
StarFive VisionFive V2 #8 rvc18 4 8GB up
StarFive VisionFive V2 #9 rvc19 4 8GB up
StarFive VisionFive V2 #10 rvc20 4 8GB up
StarFive VisionFive V2 #11 rvc21 4 8GB up
StarFive VisionFive V2 #12 rvc22 4 8GB up
StarFive VisionFive V2 #13 rvc23 4 8GB up

Submitting jobs

To submit a job to the RISC-V nodes, you can use the slurm command sbatch [batch.sh] to submit the script batch.sh. To specify which nodes to use, the flag #SBATCH --nodelist=<names> can be used.

Here we provide example slurm scripts which run a non-MPI and MPI executable:

Non-MPI batch.sh

#!/bin/bash
#SBATCH -A username
#SBATCH -n 1
#SBATCH --nodelist=rvc05
#SBATCH --time=00:15:00

./executable

MPI batch-mpi.sh

#!/bin/bash
#SBATCH -A username
#SBATCH -n 2
#SBATCH --nodelist=rvc05,rvc06
#SBATCH --time=00:15:00

export PMIX_MCA_psec=native

mpirun ./mpi-executable