Talks

2025

Protein Ai "A Platform for Predicting Protein Structures based on the Molecule's Sequence with ChatBot Interface for Analysis"

2021

Data at Scale in ESiWACE: Progress of WP4

Input/Output and Middleware

Lifting the user I/O abstraction to workflow level a possibility or in vain?

Data Systems at Scale in Climate and Weather

A Workflow for Identifying Jobs with Similar I/O Behavior Utilizing Time Series Analysis

The Virtual Institute for I/O

Data-Centric Computing for the Next Generation

The HPC Certification Forum in 2021

2020

Smart Processing for Extreme Data

A Workflow for Identifying Jobs with Similar I/O Behavior Utilizing Time Series Analysis

The Virtual Institute for I/O

Beyond OpenSource Software – The Open Source Specialist Group

Beyond OpenSource Software

Open HPC Certification and Relationship to OSS

Welcome to the Summer School on Effective HPC for Climate and Weather

Welcome to the HPC IODC workshop

Data Systems at Scale in Climate and Weather: Activities in the ESiWACE Project

Open Source Software for Scientific and Parallel Computing

Data-Centric IO: Potential for Climate/Weather

Progress of WP4: Data at Scale

About the HPC Certification Forum

About the HPC Certification Forum

Toward Next Generation Interfaces for Exploiting Workflows

Potential of I/O-Aware Workflows in Climate and Weather

Challenges and Approaches for Extreme Data Processing

2019

Smarter Management using Metadata and Workflow Expertise

Tracking User-Perceived I/O Slowdown via Probing

The Virtual Institute of I/O

IO500

Exploiting Different Storage Types with the Earth-System Data Middleware

Contributing HPC Skills to the HPC Certification Forum

Using Deep Learning to Identify Atmospheric Features

OpenSource Software

The Earth-System Data Middleware: An Approach for Heterogeneous Storage Infrastructure

Scientific Data Compression with SCIL

Utilizing Heterogeneous Storage Infrastructures via the Earth-System Data Middleware

One Year HPC Certification Forum in Retrospective

Data-Centric I/O and Next Generation Interfaces

Tracking User-Perceived I/O Slowdown via Probing

The goldilocks node: getting the RAM just right

High-Level Workflows -- Potential for Innovation? The NGI Initiative and More

IO-500

The Virtual Institute for IO

The HPC Certification Program

Fighting the Data Deluge with Data-Centric Middleware

The importance of AI for high-performance I/O

Strategic Planning Agenda

ESiWACE WP4: Highlights, challenges and outlook

The HPC Certification Program

Challenges and Approaches for Extreme Data Processing

2018

Opportunities for Integrating I/O Capabilities with Cylc

The HPC Certification Program

The Virtual Institute for I/O

Using Benchmarks to Understand Performance Behavior

Towards an HPC Certification Program

Status of WP4: Exploitability

Introducing the HPC Certification Program

OpenSource Software

PeCoH -- Performance Conscious HPC: Status

Overcoming Storage Issues of Earth-System Data with Intelligent Storage Systems

RD&E in Compression

Comparison of Clang Abstract Syntax Trees using String Kernels

Challenges and Opportunities for I/O

Understanding Metadata Latency with MDWorkbench

Cost and Performance Modeling for Earth System Data Management and Beyond

Community Development of Next Generation Semantic Interfaces

The Virtual Institute of I/O

The Need for Next Generation Semantic Interfaces to Process Climate/Weather Workflows

Towards Intelligent Storage Systems

Creating a Meaningless Single Number to Appease Human Irrationality

Exploiting the Heterogeneous Storage Landscape in a Data Center

2017

Exploiting Weather and Climate Data at Scale (WP4)

The Virtual Institute for I/O and the IO-500

Establishing the IO-500 Benchmark

Towards new storage interfaces – chance or curse?

Empowering Scientists with Domain Specific Languages

IO-500 Status

Metadata Issues

MPI-IO In-Memory Storage with the Kove XPD

Lustre at DKRZ

Fortran Test Generator: Automatic and Flexible Unit Test Generation for Legacy HPC Code

Decoupling the Selection of Compression Algorithms from Required Precision with the Scientific Compression Library (SCIL)

BoF: The Virtual Institute for I/O and the IO-500

Research Achievements and Perspectives for HPC and Earth Science

Big Data Analytics

Analysis of Input/Output Phenomena using Statistics and Machine Learning

Visual Analytics

Metadata/Small File Benchmarking and Status of the IO-500

Advanced Computation and I/O Methods for Earth-System Simulations Status update

AIMES: Status of the Project

AIMES Status Report: University of Hamburg

2016

BoF: The Virtual Institute for I/O and the IO-500

Statistical File Characterization and Status Update: Monitoring at DKRZ

Middleware for Earth System Data

MPI-IO In-Memory Storage with the Kove XPD

Performance Conscious HPC (PeCoH) Kickoff

Additional I/O Considerations

Analyzing Data Properties Using Statistical Sampling Techniques -- Illustrated on Scientific File Formats and Compression Features

Lustre at DKRZ

Analyzing Data Properties Using Statistical Sampling Techniques -- Illustrated on Scientific File Formats and Compression Features

I/O Benchmarking

BoF: VI4IO: The I/O Community Hosting the High-Performance Storage List

I/O Perspectives for Earth Science Data

Advanced Computation and I/O Methods for Earth-System Simulations (AIMES)

AIMES overview, contributions of WR to WPs

Compression (in HDF5) in the projects ICOMEX and AIMES

2015

WP2: Efficient input/output of very large data sets

Interaktiver C Kurs (ICP)

SIOX: A flexible approach

Monitoring plans at DKRZ

Future CS Trends and IO

High-Performance I/O at Mistral

Mistral Supercomputer I/O

Analyzing and Assessing I/O Performance

Predicting Performance of Non-Contiguous I/O with Machine Learning

I/O at the German Climate Computing Center

Advanced Computation and I/O Methods for Earth-System Simulations (AIMES)

Domain-specific Language Development

2014

Challenges in HPC I/O

Monitoring Energy Consumption With SIOX -- Autonomous Monitoring Triggered by Abnormal Energy Consumption

The SIOX Architecture -- Coupling Automatic Monitoring and Optimization of Parallel I/O

Deficiencies in I/O and the Future with E10

Exascale 10 -- High-Level Architecture

Introductions to the SIOX Architecture

Exascale 10 -- High-Level Architecture

Advancing Independent Non-Contiguous I/O

Hochleistungsrechnen: Einblicke in Leistungsanalyse und Speichersysteme der Zukunft

I/O Interfaces Will Change -- Chance or Curse for Programmers?

ICOMEX

Challenges in Understanding, Optimizing and Procuring Storage Systems

Lessions learned from G8 ICOMEX: ICOsahedral-grid Models for Exascale Earth System Simulations

Monitoring, Simulation and Autonomous Optimization of Parallel I/O

2013

Guiding Parallel I/O -- The Semantical Gap

Monitoring and Optimization of I/O-Performance with SIOX

Using Simulation to Validate Performance of MPI(-IO) Implementations

Towards Intelligent Self-Optimisation in HPC I/O

Ganzheitliches Verständnis von Nutzungs- und Systemverhalten als Zugang zu effizienterem Hochleistungsrechnen

2012

EXIOS -- Unified Exascale I/O System

Simulating Parallel Programs on Application and System Level

Towards a Unified Exascale I/O System

WiP: Simulating Application and System Interaction with PIOsimHD

Modeling the I/O Path with a Functional Representation of Parallel File System and Hardware Architecture

2011

Towards an Energy-Aware Scientific I/O Interface

Visualization of MPI(-IO) Datatypes

2010

Collecting Energy Consumption of Scientific Data

Ansätze zum Monitoring hierarchischer E/A-Systeme

2009

Tracing Internal Communication in MPI and MPI-I/O

2008

Bottleneck Detection in Parallel File Systems with Trace-Based Performance Monitoring

2007

Performance Evaluation of the PVFS2 Architecture

2006

Performance Analysis of Parallel File Systems

Migration and Load Balancing Within PVFS2