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Niagara

Basic Description of Niagara here.

Login

Login with your CC credentials, not SciNet password, and login to USERID@niagara.scinet.utoronto.ca.

QuickStart

FileSystems

  • $HOME
  • $PROJECT
  • $SCRATCH

Software

module load

Scheduling

Scheduler is Slurm, 24 hour walltime. Debug queue on 5 nodes, 1 hour walltime.


Submit a job

sbatch my.script

List jobs

squeue 

Look at available nodes

sinfo

Cancel a job

scancel $JOBID

Partitions are dragonfly1,dragonfly2,dragonfly3,dragonfly4,compute. Specify a dragonfly[1-4] if you want to ensure 1:1 (upto 432 nodes), otherwise specify nothing or compute to use upto 1500. You can also specify an explicit noderange if you want #SBATCH --nodelist=nia[0801-1000]

For IntelMPI - Start with this

#!/bin/bash 
#SBATCH -N 200
#SBATCH --ntasks-per-node=40
#SBATCH -t 00:30:00
#SBATCH -J test

module load NiaEnv/2018b intel/2018.1 intelmpi/2018.1

mpiexec.hydra my.code

For HPCX (OpenMPI)