HPC I/O Performance Analysis Workshop (NHR@SW)

→ Europe/Berlin
online

online

Radita Tapaning Hesti Liem, Julius Athenstaedt (Uni Mainz), Sarah Neuwirth (Johannes Gutenberg University Mainz)
Description

This three-day online workshop introduces best practices for HPC I/O performance and provides hands-on training with Darshan and DFTracer. Participants will learn how to characterize application I/O behavior, identify common performance issues, and use profiling and tracing tools to analyze I/O workloads on HPC systems.

Attendees (only from German universities) will receive guest access to the Mogon NHR system.

Format: online via BigBlueButton (Link will be shared via email)

Eligibility: Exclusive to members of German academic institutions. The organizers reserve the right to revoke non-eligible registrations!

Key Topics:

  • Introduction to parallel I/O and storage
  • Best I/O practices
  • Darshan I/O characterization tool
  • DFTracer I/O profiling tool

Prerequisites: Basic understanding of the command line and Slurm

Registration Fee:  None (exclusive to academic institution members)

Organization: Organized by the NHR@SW.

Date: 2 – 4 November 2026

Daily Timings:  13:30–17:00

Organized by

NHR Süd-West @ JGU Mainz

Participants
  • Jaziba Rehman
  • Mahesh Karewad
  • +14
    • 1
      Welcome and Introduction to NHR@SW
      Speaker: Sarah Neuwirth (Johannes Gutenberg University Mainz)
    • 2
      I/O Lecture
      Speaker: Sarah Neuwirth (Johannes Gutenberg University Mainz)
    • 3:00 PM
      Break
    • 3
      Mogon 101 - Introduction to Cluster Computing

      Introduction to the Mogon NHR cluster, how to access the cluster, testing remote connection via the guest accounts.

      Speaker: Felix Schlapp
    • 4
      Closing Remarks / Recap Day 1
      Speaker: Sarah Neuwirth (Johannes Gutenberg University Mainz)
    • 5
      Welcome to Day 2
      Speaker: Julius Athenstaedt (Uni Mainz)
    • 6
      Introduction to Darshan
      Speaker: Julius Athenstaedt (Uni Mainz)
    • 7
      Hands-on: Installation of Darshan & HACC-IO
      Speaker: Julius Athenstaedt (Uni Mainz)
    • 3:00 PM
      Break
    • 8
      Hands-on: Darshan Analysis of HACC-IO
      Speaker: Julius Athenstaedt (Uni Mainz)
    • 9
      Hands-on: Advanced Darshan - PyDarshan & DXT
      Speaker: Julius Athenstaedt (Uni Mainz)
    • 10
      Closing Remarks / Recap Day 2
      Speaker: Julius Athenstaedt (Uni Mainz)
    • 11
      Welcome to Day 3
      Speaker: Radita Tapaning Hesti Liem
    • 12
      Introduction to DFTracer
      Speaker: Radita Tapaning Hesti Liem
    • 13
      Hands-on: installation of DFTracer & BT-IO
      Speaker: Radita Tapaning Hesti Liem
    • 3:00 PM
      Break
    • 14
      Hands-on: Using DFAnalyzer with BT-IO
      Speaker: Radita Tapaning Hesti Liem
    • 15
      Hands-on: Advanced DFTracer - Annotation & ML Workloads
      Speaker: Radita Tapaning Hesti Liem
    • 16
      Closing Remarks / Recap Day 3
      Speaker: Radita Tapaning Hesti Liem