IRIS-HEP topical meetings cover one or more presentations involving IRIS-HEP researchers or from related research areas. They are typically held Mondays 17:30 GVA and Wednesdays 18:00 GVA. Vidyo connections are always available and meetings are usually recorded. Find all topical meeting agendas here.

July, 2025

• 2 Jul, 2025 - IRIS-HEP Fellows "Lightning" Talks

March, 2025

• 24 Mar, 2025 - Experiences with workflow languages and REANA - (Watch the meeting recording)

October, 2024

• 30 Oct, 2024 - IRIS-HEP Fellows Final Presentations - (Watch the meeting recording)
• 28 Oct, 2024 - IRIS-HEP Fellows Final Presentations - (Watch the meeting recording)
• 16 Oct, 2024 - IRIS-HEP Fellows Final Presentations - (Watch the meeting recording)
• 7 Oct, 2024 - IRIS-HEP Fellows Final Presentations - (Watch the meeting recording)

September, 2024

• 23 Sep, 2024 - Gap Year Final Presentations - (Watch the meeting recording)
• 18 Sep, 2024 - IRIS-HEP Fellows Final Presentations - (Watch the meeting recording)
• 16 Sep, 2024 - IRIS-HEP Fellows Final Presentations - (Watch the meeting recording)

August, 2024

• 28 Aug, 2024 - Gap Year Final Presentations - (Watch the meeting recording)

July, 2024

• 10 Jul, 2024 - IRIS-HEP Fellows "Lightning" Talks - (Watch the meeting recording)
• 3 Jul, 2024 - IRIS-HEP Fellows "Lightning" Talks - (Watch the meeting recording)

June, 2024

• 26 Jun, 2024 - IRIS-HEP Fellows "Lightning" Talks - (Watch the meeting recording)

May, 2024

• 29 May, 2024 - IRIS-HEP Fellows Talk

February, 2024

• 26 Feb, 2024 - Research Software Intern Talks

January, 2024

• 17 Jan, 2024 - Research Software Intern Talks

November, 2023

• 15 Nov, 2023 - Super-histograms
• 1 Nov, 2023 - Workflow Languages in Bioinformatics - (Watch the meeting recording)

October, 2023

• 30 Oct, 2023 - Analysis Description Language / CutLang - (Watch the meeting recording)
• 25 Oct, 2023 - Tiled: A Service for Structured Data Access - (Watch the meeting recording)
• 18 Oct, 2023 - IRIS-HEP Fellows Presentations 2023 - (Watch the meeting recording)
• 16 Oct, 2023 - IRIS-HEP Fellows Presentations 2023 - (Watch the meeting recording)
• 11 Oct, 2023 - IRIS-HEP Fellows Presentations 2023 - (Watch the meeting recording)
• 9 Oct, 2023 - IRIS-HEP Fellows Presentations 2023 - (Watch the meeting recording)
• 4 Oct, 2023 - IRIS-HEP Fellows Presentations 2023 - (Watch the meeting recording)

September, 2023

• 27 Sep, 2023 - IRIS-HEP Fellows Presentations 2023 - (Watch the meeting recording)
• 25 Sep, 2023 - Building a Teaching Assistant Chatbot Using GPT-4 - (Watch the meeting recording)

July, 2023

• 19 Jul, 2023 - IRIS-HEP Fellows Introductory Presentations - (Watch the meeting recording)
• 12 Jul, 2023 - IRIS-HEP Fellows Introductory Presentations - (Watch the meeting recording)
• 5 Jul, 2023 - IRIS-HEP Fellows Introductory Presentations - (Watch the meeting recording)

January, 2023

• 25 Jan, 2023 - RNtuple in Uproot - (Watch the meeting recording)
• 18 Jan, 2023 - Inference with Triton at Fermilab - (Watch the meeting recording)

December, 2022

• 12 Dec, 2022 - Luigi Analysis Workflows - (Watch the meeting recording)

November, 2022

• 16 Nov, 2022 - Data Management Package for the novel data delivery system, ServiceX, and its application to an ATLAS Run-2 Physics Analysis Workflow - (Watch the meeting recording)

October, 2022

• 19 Oct, 2022 - IRIS-HEP Fellows Presentations 2022 - (Watch the meeting recording)
• 17 Oct, 2022 - Fast Columnar Physics Analyses of Terabyte-Scale LHC Data on a Cache-Aware Dask Cluster - (Watch the meeting recording)
• 5 Oct, 2022 - IRIS-HEP Fellows Presentations 2022 - (Watch the meeting recording)

September, 2022

• 28 Sep, 2022 - IRIS-HEP Fellows Presentations 2022 - (Watch the meeting recording)
• 26 Sep, 2022 - IRIS-HEP Fellows Presentations 2022 - (Watch the meeting recording)
• 21 Sep, 2022 - IRIS-HEP Fellows Presentations 2022 - (Watch the meeting recording)
• 14 Sep, 2022 - IRIS-HEP Fellows Presentations 2022 - (Watch the meeting recording)

August, 2022

• 22 Aug, 2022 - IRIS-HEP Fellows Introductory Presentations - (Watch the meeting recording)
• 10 Aug, 2022 - IRIS-HEP Fellows Introductory Presentations

July, 2022

• 27 Jul, 2022 - IRIS-HEP Fellows Introductory Presentations

June, 2022

• 15 Jun, 2022 - IRIS-HEP Fellows Introductory Presentations - (Watch the meeting recording)
• 13 Jun, 2022 - IRIS-HEP Fellows Introductory Presentations - (Watch the meeting recording)

May, 2022

• 4 May, 2022 - Using Spark for Physics
• 2 May, 2022 - What's going on in Networking

April, 2022

• 27 Apr, 2022 - IRIS-HEP IA presentations
• 13 Apr, 2022 - IRIS-HEP IA presentations

March, 2022

• 28 Mar, 2022 - Awkward Arrays in Dask - (Watch the meeting recording)
• 21 Mar, 2022 - Metrics of computing trends in NHEP
• 16 Mar, 2022 - US Research Software Engineers & the UK Software Sustainability Institute
• 14 Mar, 2022 - Interpretability of AI models and FAIR for AI

November, 2021

• 29 Nov, 2021 - Polyphorm: Nature-inspired reconstruction and visualization of transport networks
• 1 Nov, 2021 - IRIS-HEP Fellow presentations - (Watch the meeting recording)

October, 2021

• 27 Oct, 2021 - IRIS-HEP Fellow presentations - (Watch the meeting recording)
• 25 Oct, 2021 - IRIS-HEP Fellow presentations - (Watch the meeting recording)
• 18 Oct, 2021 - IRIS-HEP Fellow presentations - (Watch the meeting recording)
• 13 Oct, 2021 - DIANA/HEP Fellow presentations
• 6 Oct, 2021 - IRIS-HEP Fellow presentations - (Watch the meeting recording)
• 4 Oct, 2021 - DIANA/HEP Fellow presentations

September, 2021

• 29 Sep, 2021 - IRIS-HEP Fellow presentations - (Watch the meeting recording)
• 27 Sep, 2021 - IRIS-HEP Fellow presentations - (Watch the meeting recording)
• 22 Sep, 2021 - DIANA/HEP Fellow presentations - (Watch the meeting recording)
• 20 Sep, 2021 - IRIS-HEP Fellow presentations - (Watch the meeting recording)
• 15 Sep, 2021 - Uhepp: exchange format for high-energy physics plots
• 14 Sep, 2021 - IRIS-HEP Fellow presentations - (Watch the meeting recording)
• 8 Sep, 2021 - IRIS-HEP Fellow presentations - (Watch the meeting recording)
• 1 Sep, 2021 - IRIS-HEP GSoC presentations

August, 2021

• 4 Aug, 2021 - HEP-CCE: Portable Parallelization Strategies

July, 2021

• 14 Jul, 2021 - Tiled: A Service for Structured Data Access - (Watch the meeting recording)
• 7 Jul, 2021 - IRIS-HEP Fellow presentations - (Watch the meeting recording)

June, 2021

• 30 Jun, 2021 - IRIS-HEP Fellow presentations - (Watch the meeting recording)
• 28 Jun, 2021 - IRIS-HEP Fellow presentations - (Watch the meeting recording)
• 21 Jun, 2021 - Automatic Differentiation in C++ and Cuda
• 2 Jun, 2021 - IRIS-HEP Fellow presentations - (Watch the meeting recording)

May, 2021

• 12 May, 2021 - Systematics Handling in HEP - (Watch the meeting recording)
• 10 May, 2021 - HL-LHC R&D and IRIS-HEP Fellow presentations - (Watch the meeting recording)

April, 2021

• 21 Apr, 2021 - FAIR Framework for AI in HEP + ILC Software/Computing - (Watch the meeting recording)
• 7 Apr, 2021 - Mini-Workshop: Differentiable Programming for High-Performance, Data-Intensive Computations

March, 2021

• 31 Mar, 2021 - HL-LHC R&D topics: FastCaloSim + End-to-End Deep Learning in Reco - (Watch the meeting recording)
• 29 Mar, 2021 - HL-LHC R&D topics: iDDS + Atlas release testing - (Watch the meeting recording)
• 24 Mar, 2021 - HL-LHC R&D topics: Running FastCaloSim on GPU + ACTS - (Watch the meeting recording)
• 3 Mar, 2021 - HL-LHC R&D topics: Hyperparameter Optimisation + Random # generation - (Watch the meeting recording)
• 1 Mar, 2021 - HL-LHC R&D topics: Graph NNs for Tracking + Sherpa - (Watch the meeting recording)

February, 2021

• 1 Feb, 2021 - Extending JAX with CUDA - (Watch the meeting recording)

October, 2020

• 21 Oct, 2020 - GNNs for event reconstruction - (Watch the meeting recording)
• 14 Oct, 2020 - IRIS-HEP Fellowship Presentations - (Watch the meeting recording)
• 5 Oct, 2020 - IRIS-HEP Fellowship Presentations - (Watch the meeting recording)

September, 2020

• 28 Sep, 2020 - IRIS-HEP Fellowship Presentations - (Watch the meeting recording)
• 21 Sep, 2020 - IRIS-HEP Fellowship Presentations - (Watch the meeting recording)
• 9 Sep, 2020 - Using GPUs and FPGAs as-a-service for LHC computing - (Watch the meeting recording)
• 8 Sep, 2020 - IRIS-HEP/GSoC Student Presentations (Asia time slot) - (Watch the meeting recording)
• 2 Sep, 2020 - IRIS-HEP student presentations - (Watch the meeting recording)

August, 2020

• 31 Aug, 2020 - IRIS-HEP Fellowship Presentations - (Watch the meeting recording)
• 26 Aug, 2020 - Initial studies of ACTS tracking with GPUs

May, 2020

• 11 May, 2020 - Accelerating Raw Data Analysis with the ACCORDA Software and Hardware Architecture - (Watch the meeting recording)
• 4 May, 2020 - Rumble: JSONiq (query language) on Spark - (Watch the meeting recording)

April, 2020

• 29 Apr, 2020 - Zarr: big array management

February, 2020

• 19 Feb, 2020 - ACTS tracking
• 12 Feb, 2020 - HL-LHC tracking
• 3 Feb, 2020 - Modeling computing resource needs/costs

January, 2020

• 29 Jan, 2020 - Primary vertex finding at LHCb - (Watch the meeting recording)
• 27 Jan, 2020 - Allen project - (Watch the meeting recording)

November, 2019

• 27 Nov, 2019 - Unfolding
• 18 Nov, 2019 - Graph Neural Nets
• 11 Nov, 2019 - Accelerating Raw Data Analytics (to be rescheduled)

October, 2019

• 9 Oct, 2019 - Software for Dark Matter Experiments

September, 2019

• 25 Sep, 2019 - ML4Jets benchmarks
• 16 Sep, 2019 - Summer student project presentations

August, 2019

• 21 Aug, 2019 - Summer student project presentations - (Watch the meeting recording)
• 19 Aug, 2019 - Summer student project presentations - (Watch the meeting recording)

July, 2019

• 31 Jul, 2019 - A Common Tracking Software (ACTS) Project - (Watch the meeting recording)

June, 2019

• 5 Jun, 2019 - SCAILFIN - Scalable CyberInfrastructure for Artificial Intelligence and Likelihood Free Inference

May, 2019

• 29 May, 2019 - Clad: the automatic differentiation plugin for Clang
• 22 May, 2019 - Advanced programming language features in particle physics
• 13 May, 2019 - Particles and decays - (Watch the meeting recording)

April, 2019

• 24 Apr, 2019 - Skyhook: Programmable Object Storage for Analysis - (Watch the meeting recording)
• 17 Apr, 2019 - Columnar Analysis Tools - (Watch the meeting recording)
• 15 Apr, 2019 - New Histogram Tools - (Watch the meeting recording)
• 10 Apr, 2019 - Parallelized Kalman-Filter-Based Reconstruction of Particle Tracks on Many-Core Architectures - (Watch the meeting recording)

March, 2019

• 25 Mar, 2019 - Introduction to modern CDN Architectures - (Watch the meeting recording)
• 4 Mar, 2019 - The FAST project - (Watch the meeting recording)

February, 2019

• 25 Feb, 2019 - Analysis Description Languages - (Watch the meeting recording)
• 18 Feb, 2019 - Integration of C++ Modules into CMSSW - (Watch the meeting recording)
• 13 Feb, 2019 - HLS4ML: Using ML on FPGAs to enhance reconstruction output - (Watch the meeting recording)
• 4 Feb, 2019 - Training for Software, Computing, Computational and Data Science in HEP - (Watch the meeting recording)

January, 2019

• 28 Jan, 2019 - FuncX: High Performance Function as a Service for Science - (Watch the meeting recording)