wiki:Doc/ComputingCenters/IDRIS/JeanZay

Version 4 (modified by rpennel, 5 years ago) (diff)

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Working on the Jean Zay machine

Table of contents

  1. 1. Introduction
  2. 2. Job manager commands

Last Update 10/10/2019

1. Introduction

  • On-line users manual: ​http://www.idris.fr/eng/jean-zay
  • Jean-Zay computing nodes: the nodes of CPU partition have 40 cores each.
    • Intel Cascade Lake nodes for regular computation
    • Partition name: cpu_p1
    • CPUs: 2x20-cores Intel Cascade Lake 6248 @2.5GHz
    • Cores/Node: 40
    • Nodes: 1 528
    • Total cores: 61120
    • RAM/Node: 192GB
    • RAM/Core: 4.8GB
  • Jean-Zay post-processing nodes : xlarge are free and useful for post-processing operations.
    • Fat nodes for computation requiring a lot of shared memory
    • Partition name: prepost
    • CPUs: 4x12-cores Intel Skylake 6132@3.2GHz
    • GPUs: 1x Nvidia V100
    • Cores/Node: 48
    • Nodes: 4
    • Total cores: 192
    • RAM/Node: 3TB
    • RAM/Core: 15.6GB

2. Job manager commands

  • sbatch job -> submit a job
  • scancel ID -> kill the job with the specified ID number
  • sacct -u login -S YYYY-MM-DD -> display all jobs submitted by login, add -f to see full job name
  • squeue -> display all jobs submitted on the machine.
  • squeue -u $(whoami) ->display your jobs.