Talks

RD&E in Compression

PresenterDr. Julian Kunkel
ActivityNCAS Meeting
LocationReading, UK
Date2018-07-27
Material

Comparison of Clang Abstract Syntax Trees using String Kernels

PresenterRaul Torres, Dr. Julian Kunkel, Manuel Dolz, Thomas Ludwig
ActivityHPCS 2018
LocationOrleans, France
Date2018-07-17
Material Presentation

Challenges and Opportunities for I/O

PresenterDr. Julian Kunkel
ActivityGung Ho Networking Meeting
LocationReading, UK
Date2018-07-04
Material Presentation

Understanding Metadata Latency with MDWorkbench

PresenterDr. Julian Kunkel, George Markomanolis
ActivityWOPSSS
LocationFrankfurt, Germany
Date2018-06-28
Material Presentation

Cost and Performance Modeling for Earth System Data Management and Beyond

PresenterDr. Julian Kunkel, Jakob Lüttgau
ActivityHPC IODC Workshop
LocationFrankfurt, Germany
Date2018-06-28
Material Presentation

Community Development of Next Generation Semantic Interfaces

PresenterDr. Julian Kunkel
ActivityJoint session of the HPC IODC Workshop and WOPSSS
LocationFrankfurt, Germany
Date2018-06-28
Material Presentation

The Virtual Institute of I/O

PresenterDr. Julian Kunkel
ActivityBoF: The IO-500 and the Virtual Institute of I/O, ISC HPC
LocationFrankfurt, Germany
Date2018-06-27
Material Presentation

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

PresenterDr. Julian Kunkel
ActivitySIG IO UK
LocationUniversity of Reading, UK
Date2018-06-06
Material Presentation

Towards Intelligent Storage Systems

PresenterDr. Julian Kunkel
ActivityComputer Science Workshop
LocationUniversity of Reading, UK
Date2018-05-08
Material Presentation

Creating a Meaningless Single Number to Appease Human Irrationality

PresenterJay Lofstead, Dr. Julian Kunkel, John Bent, George Markomanolis
ActivityLustre Users Group
LocationChicago, USA
Date2018-04-26
Material Presentation

Exploiting the Heterogeneous Storage Landscape in a Data Center

PresenterDr. Julian Kunkel
ActivityPer3s: Performance and Scalability of Storage Systems Workshop
LocationRennes, France
Date2018-01-12
Material Presentation

Exploiting Weather and Climate Data at Scale (WP4)

PresenterDr. Julian Kunkel
ActivityESiWACE General Assembly
LocationBerlin, Germany
Date2017-12-12
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityBoF: The Virtual Institute for I/O and the IO-500
LocationDenver, USA
Date2017-11-15
Material Presentation

Establishing the IO-500 Benchmark

PresenterDr. Julian Kunkel
ActivityPDSW/DISC Workshop WiP session
LocationDenver, USA
Date2017-11-13
Material Presentation

Towards new storage interfaces – chance or curse?

PresenterDr. Julian Kunkel
ActivityWorkshop: Exascale I/O for Unstructured Grids
LocationDKRZ, Hamburg, Germany
Date2017-09-26
Material Presentation

Empowering Scientists with Domain Specific Languages

PresenterDr. Julian Kunkel
ActivitySciCADE 2017
LocationBath, UK
Date2017-09-13
Material Presentation

MPI-IO In-Memory Storage with the Kove XPD

PresenterDr. Julian Kunkel
ActivityWorkshop on Performance and Scalability of Storage Systems (WOPSSS)
LocationFrankfurt, Germany
Date2017-06-22
Material Presentation

Lustre at DKRZ

PresenterDr. Julian Kunkel
ActivityISC HPC, BoF: EOFS
LocationFrankfurt, Germany
Date2017-06-21
Material Presentation

Fortrantestgenerator: Automatic and Flexible Unit Test Generation for Legacy HPC Code

PresenterDr. Julian Kunkel
ActivityISC HPC, Poster session
LocationFrankfurt, Germany
Date2017-06-20
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityISC HPC, Poster session
LocationFrankfurt, Germany
Date2017-06-20
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityISC HPC
LocationFrankfurt, Germany
Date2017-06-20
Material Presentation

Research Achievements and Perspectives for HPC and Earth Science

PresenterDr. Julian Kunkel
Activity
LocationReading, UK
Date2017-06-14
Material Presentation

Big Data Analytics

PresenterDr. Julian Kunkel
ActivityDKRZ Tour “Computational Sciences in Engineering”
LocationHamburg, Germany
Date2017-06-08
Material Presentation

Analysis of Input/Output Phenomena using Statistics and Machine Learning

PresenterDr. Julian Kunkel
Activity
LocationHAW, Hamburg
Date2017-05-31
Material Presentation

Visual Analytics

PresenterDr. Julian Kunkel
Activity
LocationHAW, Hamburg
Date2017-05-31
Material Presentation

IO-500 Status

PresenterDr. Julian Kunkel
ActivityData Benchmarking Workshop
LocationLBNL, USA
Date2017-06-25
Material Presentation

Metadata Issues

PresenterDr. Julian Kunkel
ActivityData Benchmarking Workshop
LocationLBNL, USA
Date2017-06-25
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityWorkshop on Understanding I/O Performance Behavior (UIOP)
LocationDKRZ, Hamburg, Germany
Date2017-03-22
Material Presentation

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

PresenterDr. Julian Kunkel
ActivitySPPEXA Annual Plenary Meeting
LocationLeibniz Supercomputing Centre, Munich, Germany
Date2017-03-21
Material Presentation

AIMES: Status of the Project

PresenterDr. Julian Kunkel
ActivityAIMES Face-to-face Meeting
LocationLeibniz Supercomputing Centre, Munich, Germany
Date2017-03-20
Material Presentation

AIMES Status Report: University of Hamburg

PresenterDr. Julian Kunkel, Nabeeh Jumah, Anastasiia Novikova
ActivityAIMES Face-to-face Meeting
LocationLeibniz Supercomputing Centre, Munich, Germany
Date2017-03-20
Material Presentation

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

PresenterDr. Julian Kunkel
ActivitySupercomputing Conference
LocationSalt Lake City, USA
Date2016-11-17
Material Presentation

Statistical File Characterization and Status Update: Monitoring at DKRZ

PresenterDr. Julian Kunkel
ActivityBoF: Analyzing Parallel I/O, Supercomputing Conference
LocationSalt Lake City, USA
Date2016-11-17
Material Presentation

Middleware for Earth System Data

PresenterDr. Julian Kunkel
ActivityPDSW-DISC Workshop
LocationSalt Lake City, USA
Date2016-11-14
Material Presentation

MPI-IO In-Memory Storage with the Kove XPD

PresenterDr. Julian Kunkel
ActivityPDSW-DISC Workshop
LocationSalt Lake City, USA
Date2016-11-14
Material Presentation

Performance Conscious HPC (PeCoH) Kickoff

PresenterDr. Julian Kunkel
ActivityPeCoH Kickoff
LocationHamburg, Germany
Date2016-08-22
Material Presentation

Additional I/O Considerations

PresenterDr. Julian Kunkel
ActivityBull cooperation meeting
LocationGrenoble, France
Date2016-07-04
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityISC High Performance
LocationFrankfurt, Germany
Date2016-06-15
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityHPC-IODC Workshop
LocationFrankfurt, Germany
Date2016-06-23
Material Presentation

Lustre at DKRZ

PresenterDr. Julian Kunkel
ActivityLustre BoF, ISC High Performance
LocationFrankfurt, Germany
Date2016-06-21
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityISC High Performance
LocationFrankfurt, Germany
Date2016-06-21
Material Presentation

I/O Benchmarking

PresenterDr. Julian Kunkel
ActivityJAMSTEC cooperation
LocationHamburg, Germany
Date2016-06-17
Material Presentation

I/O Perspectives for Earth Science Data

PresenterDr. Julian Kunkel
ActivityMPI-M/DKRZ joint I/O workshop
LocationHamburg, Germany
Date2016-05-11
Material Presentation

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

PresenterDr. Julian Kunkel
ActivitySPPEXA annual symposium
LocationMunich, Germany
Date2016-01-27
Material Presentation

AIMES overview, contributions of WR to WPs

PresenterDr. Julian Kunkel
ActivityAIMES kickoff meeting
LocationMunich, Germany
Date2016-01-27
Material Presentation

Compression (in HDF5) in the projects ICOMEX and AIMES

PresenterDr. Julian Kunkel
ActivityInformal meeting
LocationHamburg, Germany
Date2016-01-18
Material Presentation

Interaktiver C Kurs (ICP)

PresenterDr. Julian Kunkel
ActivityCampus Innovation
LocationHamburg, Germany
Date2015-11-27
Material

SIOX: A flexible approach

PresenterDr. Julian Kunkel
ActivityBoF: Analyzing Parallel I/O, Supercomputing Conference
LocationAustin, USA
Date2015-11-20
Material Presentation

Monitoring plans at DKRZ

PresenterDr. Julian Kunkel
ActivityBoF: Analyzing Parallel I/O, Supercomputing Conference
LocationAustin, USA
Date2015-11-20
Material Presentation

WP2: Efficient input/output of very large data sets

PresenterDr. Julian Kunkel
ActivityBull Cooperation Kickoff
LocationGermany
Date2015-12-02
Material
PresenterDr. Julian Kunkel
ActivityMax-Planck-Institute for Meteorology Retreat
LocationGermany
Date2015-11-04
Material

High-Performance I/O at Mistral

PresenterDr. Julian Kunkel
ActivityDKRZ user workshop
LocationHamburg, Germany
Date2015-10-06
Material Presentation

Mistral Supercomputer I/O

PresenterDr. Julian Kunkel
ActivityCluStor Workshop
LocationHamburg, Germany
Date2015-07-30
Material Presentation

Analyzing and Assessing I/O Performance

PresenterDr. Julian Kunkel
ActivityCluStor Workshop
LocationHamburg, Germany
Date2015-07-30
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityInternational Supercomputing Conference
LocationFrankfurt, Germany
Date2015-07-16
Material Presentation

I/O at the German Climate Computing Center

PresenterDr. Julian Kunkel
ActivityInternational Supercomputing Conference
LocationFrankfurt, Germany
Date2015-07-16
Material Presentation

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

PresenterDr. Julian Kunkel
ActivitySPPEXA applicant colloquium
LocationBonn, Germany
Date2015-05-05
Material Presentation

Domain-specific Language Development

PresenterDr. Julian Kunkel
ActivityGroup seminar, University of Hamburg
LocationHamburg, Germany
Date2015-02-23
Material Presentation

Challenges in HPC I/O

PresenterDr. Julian Kunkel
ActivityUniversity of Basel
LocationBasel, Switzerland
Date2014-10-10
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityEnergy-Aware High Performance Computing Conference
LocationDresden, Germany
Date2014-09-02
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityInternational Supercomputing Conference
LocationLeipzig
Date2014-06-26
Material Presentation

Deficiencies in I/O and the Future with E10

PresenterDr. Julian Kunkel
ActivityEOFS breakfast meeting, International Supercomputing Conference
LocationLeipzig, Germany
Date2014-06-25
Material Presentation

Exascale 10 -- High-Level Architecture

PresenterDr. Julian Kunkel
ActivityBoF: Towards Exascale I/O with E10, International Supercomputing Conference
LocationLeipzig, Germany
Date2014-06-25
Material Presentation

Introductions to the SIOX Architecture

PresenterDr. Julian Kunkel
ActivityBoF: Autonomic I/O Optimization, International Supercomputing Conference
LocationLeipzig, Germany
Date2014-06-23
Material Presentation

Exascale 10 -- High-Level Architecture

PresenterDr. Julian Kunkel
ActivityCluStor I/O Workshop
LocationHamburg, Germany
Date2014-06-19
Material Presentation

Advancing Independent Non-Contiguous I/O

PresenterDr. Julian Kunkel
ActivityCluStor I/O Workshop
LocationHamburg, Germany
Date2014-06-19
Material Presentation

Hochleistungsrechnen: Einblicke in Leistungsanalyse und Speichersysteme der Zukunft

PresenterDr. Julian Kunkel
ActivityErnst-Moritz-Arndt-Universität Greifswald
LocationGreifswald, Germany
Date2014-05-30
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityICOMEX project meeting
LocationOffenbach, Germany
Date2014-05-15
Material Presentation

ICOMEX

PresenterDr. Julian Kunkel
ActivityG8 Initiative – Final Review Meeting
LocationPrinceton, USA
Date2014-05-12
Material Presentation

Challenges in Understanding, Optimizing and Procuring Storage Systems

PresenterDr. Julian Kunkel
ActivityCSCS Storage Workshop
LocationLugano, Switzerland
Date2014-05-09
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityENES Workshop on Exascale Technologies and Innovation in HPC for Climate Models
LocationHamburg, Germany
Date2014-04-06
Material Presentation

Monitoring, Simulation and Autonomous Optimization of Parallel I/O

PresenterDr. Julian Kunkel
ActivityZentrum für Datenverarbeitung, Johannes Gutenberg Universität
LocationMainz, Germany
Date2014-02-12
Material

Guiding Parallel I/O -- The Semantical Gap

PresenterDr. Julian Kunkel
ActivityZKI-Tagung AK Supercomputing
LocationDarmstadt, Germany
Date2013-10-10
Material Presentation

Monitoring and Optimization of I/O-Performance with SIOX

PresenterDr. Julian Kunkel
ActivityHPC-Status-Konferenz der Gauß-Allianz
LocationDresden, Germany
Date2013-09-05
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityInternational Supercomputing Conference
LocationLeipzig, Germany
Date2013-05-20
Material Presentation

Towards Intelligent Self-Optimisation in HPC I/O

PresenterDr. Julian Kunkel
ActivityExascale10/EIOW satellite event, International Supercomputing Conference
LocationLeipzig, Germany
Date2013-05-20
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityPaderborn Center for Parallel Computing
LocationPaderborn
Date2013-05-05
Material Presentation

EXIOS -- Unified Exascale I/O System

PresenterDr. Julian Kunkel
ActivitySPPEXA applicant colloquium
LocationBonn, Germany
Date2012-07-09
Material Presentation

Simulating Parallel Programs on Application and System Level

PresenterDr. Julian Kunkel
ActivityInternational Supercomputing Conference
LocationHamburg, Germany
Date2012-06-18
Material Presentation

Towards a Unified Exascale I/O System

PresenterDr. Julian Kunkel
ActivityIS-ENES I/O Workshop
LocationHamburg, Germany
Date2012-02-28
Material Presentation

WiP: Simulating Application and System Interaction with PIOsimHD

PresenterDr. Julian Kunkel
ActivityPDP 2012
LocationMunich, Germany
Date2012-02-17
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityPDP 2012
LocationMunich, Germany
Date2012-02-16
Material Presentation

Towards an Energy-Aware Scientific I/O Interface

PresenterDr. Julian Kunkel
ActivityEnA-HPC 2011
LocationHamburg, Germany
Date2011-09-08
Material Presentation

Visualization of MPI(-IO) Datatypes

PresenterDr. Julian Kunkel
ActivityParCo 2011
LocationGhent, Belgium
Date2011-08-30
Material Presentation

Collecting Energy Consumption of Scientific Data

PresenterDr. Julian Kunkel
ActivityInternational Conference on Energy-Aware High Performance Computing
LocationHamburg, Deutschland
Date2010-09-17
Material Presentation

Ansätze zum Monitoring hierarchischer E/A-Systeme

PresenterDr. Julian Kunkel
ActivityZKI-Arbeitskreis Supercomputing
LocationHamburg, Germany
Date2010-03-04
Material Presentation

Tracing Internal Communication in MPI and MPI-I/O

PresenterDr. Julian Kunkel
ActivityPDCAT 2009
LocationHiroshima, Japan
Date2009-12-09
Material Presentation

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

PresenterDr. Julian Kunkel
ActivityEuro-Par 2008
LocationGran Canaria, Spain
Date2008-08-29
Material Presentation

Performance Evaluation of the PVFS2 Architecture

PresenterDr. Julian Kunkel
ActivityEuromicro Conference on Parallel, Distributed and Network-based Processing
LocationNaples, Italy
Date2007-02-08
Material Presentation

Performance Analysis of Parallel File Systems

PresenterDr. Julian Kunkel
ActivityCluStor 2006
LocationHeidelberg, Germany
Date2006-09-21
Material

Migration and Load Balancing Within PVFS2

PresenterDr. Julian Kunkel
ActivityCluStor 2006
LocationHeidelberg, Germany
Date2006-09-21
Material