Talks

Given talks in reversed chronological order.

2026

  1. GreenHPC: Scheduler-Integrated Node Power Management for Energy-Efficient Supercomputing
    Jonas Posner
    Invited Talk. At Department of Computer Science, Parallel Programming in Technical University of Darmstadt (Germany), Mar 2026
    Slides
  2. Exploring Performance-Productivity Trade-offs in AMT Runtimes: A Task Bench Study of Itoyori, ItoyoriFBC, HPX, and MPI
    Jonas Posner
    Paper Presentation. At Workshop on Asynchronous Many-Task Systems and Applications (WAMTA) in Garching (Germany), Feb 2026
    Slides

2025

  1. Stackless vs. Stackful Coroutines: A Comparative Study for RDMA-based Asynchronous Many-Task (AMT) Runtimes
    Jonas Posner
    Paper Presentation. At Supercomputing (SC) Workshops (PAW-ATM) in St. Louis (U.S.), Nov 2025
    Slides
  2. Evaluating Malleable Job Scheduling in HPC Clusters using Real-World Workloads
    Jonas Posner
    Paper Presentation. At Latin American High Performance Computing Conference (CARLA) in Kingston (Jamaica), Sep 2025
    Slides
  3. Unlocking Dynamic HPC Resources with Task-Based Runtime Systems
    Jonas Posner
    Invited Talk. At Institute for Parallel and Distributed Systems in University of Stuttgart (Germany), Jul 2025
    Slides
  4. Transparent Resource Adaptivity for Task-Based Applications on Supercomputers
    Jonas Posner
    Invited Talk. At Advances in Applied Computer Science Invited Speaker Series in Los Alamos National Lab (U.S.), Feb 2025
    Slides
  5. Dynamic Resource Management: Comparison of Asynchronous Many-Task (AMT) and Dynamic Processes with PSets (DPP)
    Jonas Posner
    Paper Presentation. At Workshop on Asynchronous Many-Task Systems and Applications (WAMTA) in St. Louis (U.S.), Feb 2025
    Slides

2024

  1. Resource Adaptivity at Task-Level
    Jonas Posner
    Presentation. At Supercomputing (SC) Workshops (PAW-ATM) in Atlanta (U.S.), Nov 2024
    Slides
  2. The Impact of Evolving APGAS Programs on HPC Clusters
    Jonas Posner
    Paper Presentation. At Euro-Par Parallel Processing Workshops (DynResHPC) in Madrid (Spain), Aug 2024
    Slides
  3. Project Wagomu: Elastic HPC Resource Management
    Jonas Posner
    Poster Presentation. At ISC High Performance Conference in Hamburg (Germany), May 2024
    Poster
  4. Elastic Runtimes and Applications for HPC Systems
    Jonas Posner
    Invited Talk. At Workshop on Effective Use of Resources on the Computing Continuum in Kobe (Japan), Apr 2024
  5. Evolving APGAS Programs: Automatic and Transparent Resource Adjustments at Runtime
    Jonas Posner
    Paper Presentation. At Workshop on Asynchronous Many-Task Systems and Applications (WAMTA) in Knoxville (U.S.), Feb 2024
    Slides

2023

  1. Enhancing Supercomputer Performance with Malleable Job Scheduling Strategies
    Jonas Posner
    Paper Presentation. At Euro-Par Parallel Processing Workshops (PECS) in Limassol (Cyprus), Aug 2023
    Slides

2022

  1. Load Balancing, Fault Tolerance, and Resource Elasticity for Asynchronous Many-Task Systems
    Jonas Posner
    Dissertation Presentation. At Supercomputing (SC), Doctoral Showcases in Dallas (U.S.), Nov 2022
  2. Asynchronous Many-Tasking (AMT): Load Balancing, Fault Tolerance, Resource Elasticity
    Jonas Posner
    Poster Presentation. At ISC High Performance Conference in Hamburg (Germany), May 2022
    Poster

2021

  1. Transparent Resource Elasticity for Task-Based Cluster Environments with Work Stealing
    Jonas Posner
    Paper Presentation. At International Conference on Parallel Processing (ICPP) Workshops (P2S2) in online, Sep 2021
  2. Checkpointing vs. Supervision Resilience Approaches for Dynamic Independent Tasks
    Jonas Posner
    Paper Presentation. At International Parallel and Distributed Processing Symposium (IPDPS) Workshops (APDCM) in online, Jun 2021
  3. Resource Elasticity at Task-Level
    Jonas Posner
    Poster Presentation. At Ph.D. Forum, International Parallel and Distributed Processing Symposium (IPDPS) in online, Jun 2021
    Poster

2020

  1. System-Level vs. Application-Level Checkpointing
    Jonas Posner
    Poster Presentation. At IEEE Cluster in online, Sep 2020
  2. Locality-Flexible and Cancelable Tasks for the APGAS Library
    Jonas Posner
    Poster Presentation. At EuroHPC Summit Week, PRACEdays in online, Mar 2020
    Poster

2019

  1. Comparison of the HPC and Big Data Java Libraries Spark, PCJ and APGAS
    Jonas Posner
    Paper Presentation. At Supercomputing (SC) Workshops (PAW-ATM) in Denver (U.S.), Nov 2019

2018

  1. A Selective and Incremental Backup Scheme for Task Pools
    Jonas Posner
    Paper Presentation. At International Conference on High Performance Computing & Simulation (HPCS) in Orléans (France), Jul 2018

2017

  1. A Combination of Intra- and Inter-place Work Stealing for the APGAS Library
    Jonas Posner
    Paper Presentation. At Parallel Processing and Applied Mathematics (PPAM) in Lublin (Poland), Sep 2017
  2. A Generic Reusable Java Framework for Fault-Tolerant Parallelization with the Task Pool Pattern
    Jonas Posner
    Poster Presentation. At Ph.D. Forum, International Parallel and Distributed Processing Symposium (IPDPS) in Lake Buena Vista (U.S.), Jun 2017
    Poster
  3. Fault Tolerance for Cooperative Lifeline-Based Global Load Balancing in Java with APGAS and Hazelcast
    Jonas Posner
    Paper Presentation. At International Parallel and Distributed Processing Symposium (IPDPS) Workshops (APDCM) in Lake Buena Vista (U.S.), Jun 2017