CERN-HSF
Umbrella for Particle Physics-related projects
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Indexed project records; missing years are not zero. Coverage
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Links from the organization’s published listing (2026). Older contact links may have moved.
Proposal examples
Browse the proposal library →Outcomes are reported by the linked archives.
Open Source Proposals Archive · 2020 folder ↗Open Source Proposals Archive · 2023 folder ↗Open Source Proposals Archive · 2025 folder ↗
- 2020 · acceptedCERN-HSF - 2020 - Shivansh Saini ↗
- 2023 · acceptedCERN HSF - 2023 - Somya Bansal ↗
- 2023 · acceptedEstimating the energy cost of scientific software manas ↗
- 2023 · acceptedRooFit-Pythonic interaction with the RooWorkspace yashnator ↗
- 2025 · rejectedConstellation - Extending the user interface Abhay ↗
- 2025 · rejectedGSoC 2025 Project Proposal for Extending User Interface Constellation ↗
Programs & participation
10 records across 1 program2026Google Summer of CodeAnnual program · 26 projects indexed
- AI-Accelerated Signal Reconstruction for the ATLAS Tile Calorimeter at the HL-LHC
- AI-Assisted PostgreSQL Optimization Using EXPLAIN Plans
- Apache Arrow Interface for PODIO
- Automated Software Performance Monitoring for the ATLAS experiment
- BOA Constrictor: Benchmarking Neural Backbones for HEP Data Compression
- CARTopiaX: Extending a Next-Generation Platform for Computational Cancer Biology
- Characterizing I/O Performance for ML Data Loaders at Scale using Darshan
- Clad as a First-Class Gradient Engine in LibTorch
- Consolidate and advance the GPU infrastructure in Clad
- Constellation Web Interface for Controlling and Monitoring Experimental Setups
- Data Representation Optimization for ML-based calorimeter simulation
- Debuggable Installations for Spack Packages
- Debugging CVMFS Processes in D-State
- EKO Oxidation: Maturing the Rust Core of EKO
- Enabling Differentiable Rendering via AD of Parallel C++ STL Primitives in Clad
- Enabling Sustainable ARM Support for the Belle II Software
- Fine grained storage for the DUNE experiment
- Generative-AI Assisted Testing of Complex Stacks of Spack Packages
- HTCondor Live Tools with Solution Memory
- Implement CppInterOp API exposing memory ownership and thread safety
- Integration of Combine with FCCAnalyses
- ML Inference on heterogeneous architectures using SOFIE
- Parallel Processing Improvements in Julia Jet Reconstruction
- Publication of OmniFold Weights A Standardized Format for ML Based Unfolding Results
- S3 Backend for RNTuple
- Transformer based Reconstruction for LHCb PicoCal Calorimeter
Source checked Sep 28, 2026
Participation imported from the GSoC Organizations archive snapshot; this historical listing is not an application-status claim.
2025Google Summer of CodeAnnual program · 25 projects indexed
- Background Enrichment augmented Anomaly Detection (BEAD)– Contrastive VAE & Transformer Architecture
- Benchmarking Sustainability of Classical & Quantum Algorithms for particle trajectory reconstruction
- CARTopiaX: an Agent-Based Simulation of CAR T-Cell Therapy built on BioDynaMo
- Data Representation Optimisation for Generative Model-based Fast Calorimeter Shower Simulation
- Enable automatic differentiation of OpenMP programs with Clad
- Enhancing LLM Training Efficiency with Clad for Automatic Differentiation in C++
- Evaluating CVMFS for Machine Learning Model Distribution
- Extending support on custom kernels with virtme-ng
- GreenML@CERN – A Comprehensive Framework for Energy-Efficient Scientific Machine Learning
- Highly Granular Quantization for CICADA
- Implement activity analysis for reverse-mode differentiation of (CUDA) GPU kernels
- Implement and improve an efficient, layered tape with prefetching capabilities
- Implementing a deprecation system for Ganga
- Implementing Debugging Support for xeus-cpp
- Improve automatic differentiation of object-oriented paradigms using Clad
- Integrating Support for Google XLS in hls4ml
- Intelligent Log Analysis for the HSF Conditions Database
- Neural (De)compression for High Energy Physics
- Physics-Constrained Autoencoders: Intelligent Compression in High Energy Physics
- RNTuple in JSROOT
- Rucio WebUI Revamp
- Support usage of Thrust API in Clad
- TMVA SOFIE - Enhancing Keras Parser and JAX/FLAX Integration
- TMVA SOFIE - GPU Support for Machine Learning Inference
- Using ROOT in the field of genome sequencing
Source checked Sep 28, 2026
Participation imported from the GSoC Organizations archive snapshot; this historical listing is not an application-status claim.
2024Google Summer of CodeAnnual program · 17 projects indexed
- (MCnet/LHAPDF) Online dashboard and data-visualisation for parton density functions
- Add support for consteval and constexpr functions in clad
- Any Collection in Data Model Explorer
- Containerization of CBACK backup system
- CVMFS: Benchmarking of new FUSE features
- Geant4-FastSim - Fast inference of Diffusion models
- Implement Differentiating of the Kokkos Framework in Clad
- Improving performance of BioDynaMo using ROOT C++ Modules
- Incorporating a Large Language Model in Ganga to assist users
- Integrate a Large Language Model with the xeus-cpp Jupyter kernel
- Julia interoperating with HEP C++ libraries
- Lossless compression of raw data for the ATLAS experiment at CERN
- Machine Learning in Julia for Calorimeter Showers
- MCnet/Rivet+YODA CI-based Multi-Arch Docker and Code Coverage
- Reverse-mode automatic differentiation of GPU kernels using Clad
- SOFIE Developments - Inference Code Generation for Deep Learning models
- Superbuilds for ROOT
Source checked Sep 28, 2026
Participation imported from the GSoC Organizations archive snapshot; this historical listing is not an application-status claim.
2023Google Summer of CodeAnnual program · 16 projects indexed
- Belle II Event Display with Phoenix
- Deep Autoencoders for Scientific Data Compression
- Enable cross-talk between Python and C++ kernels in xeus-clang-REPL by using Cppyy
- Estimating the energy cost of scientific software
- Extend and improve the CERNBox Notifications platform
- Extend the Cppyy support in Numba
- Geant4-FastSim: Transformer-based architecture for fast shower simulation
- Graph Construction for Charged Particle Tracking using Point Cloud Networks
- Implement vector mode in forward mode automatic differentiation in Clad
- Improve automatic differentiation of object-oriented paradigms using Clad
- Improving the sense of scale and navigation in high energy physics event visualization
- Leverage Spark Connect for interactive data analysis in Jupyter Notebooks
- MCnet/LHAPDF - Test Suite and Coverage for Parton Density Calculations
- Real-time lossless data compression for the FASER experiment
- RooFit - Pythonic interaction with the RooWorkspace
- ROOT - TMVA SOFIE Developments - Inference Code Generation for Deep Learning models
Source checked Sep 28, 2026
Participation imported from the GSoC Organizations archive snapshot; this historical listing is not an application-status claim.
2022Google Summer of CodeAnnual program · 21 projects indexed
- [IRIS-HEP] Uproot + Dask
- A concurrency model for the monitoring in Ganga
- Acts GPU R&D - Optimization of GPU tracking pipeline
- Add Initial Integration of Clad with Enzyme
- Advanced Belle II Software Validation
- Electromagnetic Cluster Finding on GPUs
- Geant4 - Performance Data Visualization using d3.js
- Geant4-FastSim - Memory footprint optimization for ML fast shower simulation
- Implementation of a Python library that generalizes the CLUE clustering algorithm
- Interfacing PODIO to Julia
- MadAnalysis 5 - Integration of theoretical uncertainty calculation with multi-weight integration
- Optimize ROOT use of modules for large codebases
- Project Proposal Geant4-FastSim - ML pipeline optimization using Kubeflow
- Revamped Testing Infrastructure for Phoenix
- ROOT - Automatic conversion of data stored in TTree form to RNTuple
- ROOT - Machine Learning Developments - Batch Generator for training machine learning models
- ROOT - TMVA SOFIE Developments - Inference Code Generation for Deep Learning models
- Rucio WebUI Revamp
- Symplectic Integrators
- TMVA Developments - Improve Python interface for TMVA
- Vectorized Linear Algebra Implementation for ACTS
Source checked Sep 28, 2026
Participation imported from the GSoC Organizations archive snapshot; this historical listing is not an application-status claim.
2021Google Summer of CodeAnnual program · 25 projects indexed
- Accuracy and parallel computation in parton density calculation
- Add numerical differentiation support in Clad
- Add support for functor objects in clad
- Add support for in-browser interactive averaging of physics results
- CernVM-FS preload capability
- Deep autoencoders for ATLAS data compression
- Enhancing the Plotting Functionality in MCnet/Rivet
- Implementation of Physical Shape Function
- Implementing an application for visualizing the LHCb DAQ network
- Inference Code Generation for Recurrent Neural Networks
- Logging, Unit Test Infrastructure and Precooked Sources for PRMON
- Modern Plotting Machinery for the Large Hadron Collider's Monte Carlo Event Analysis Tool
- New protocols for exascale data management with Rucio
- OpenForBC
- Portability for the Patatrack Pixel Track Reconstruction with Alpaka
- RooFit Development - Intuitive Python bindings for RooFit
- ROOT Storage of Deep Learning models in TMVA
- RooUnfold - Efficient deconvolution using state of the art algorithms
- Rucio and CS3API to enable data management for the ScienceMesh cloud
- Runtime plugin ecosystem support for OCIS
- Single precision support for GPU acceleration in VecGeom
- TMVA Deep Learning Developments - Inference Code Generation for Batch Normalization
- Upgrading the Ganga graphical user interface
- Upgrading the Ganga Graphical User Interface
- Utilize second order derivatives from Clad in ROOT
Source checked Sep 28, 2026
Participation imported from the GSoC Organizations archive snapshot; this historical listing is not an application-status claim.
2020Google Summer of CodeAnnual program · 34 projects indexed
- (QMLHEP Proposal) Quple - Quantum Machine Learning Framework for High Energy Physics
- Awkward Array GPU Kernels
- Building a Python-based framework for Unsupervised Deep Learning applications in strong lensing cosmology
- CernVM-FS: Podman cvmfs integration
- Cosmic-Ray Imaging Studies via Mission-Imagery from Space (CRISMIS)
- Deep Learning Algorithms for Muon Momentum Estimation in the CMS Trigger System
- Deep-compression for HEP data
- Development of 3D CNN in TMVA
- Enable Modules on Windows
- End-to-End Deep Learning Reconstruction for CMS Experiment
- Extend SkyhookDM programmable object storage with statistics, sort/aggregate or data compaction functions.
- Falcon: Fast Simulation using Deep Generative Models
- Fast Merging of RNTuple Data Sets
- Framework for Automating the Retrieval and Analysis of System Information of Grid sites in WLCG
- GeoModelExplorer: improving interactive 3D geometry visualization tool based on Qt3D
- Graph Neural Networks
- Hist: histogramming for analysis powered by boost-histogram
- Implementation of Gilbert-Johnson-Keerthi Algorithm for Convex Shapes in VecGeom
- Implementation of Graphical User Interface for Ganga
- Integration of Rucio in JupyterLab for SWAN
- Intelligent Alert Management System For HEP experiments
- Kubernetes operator for XRootD
- Local replica of JAliEn central services for research and development
- Manipulation of massive astronomical data using graphs
- MCnet/Rivet - Speed and accuracy in the LHC's MC analysis tool
- MCnet/YODA
- Native Desktop Application for Rucio
- Phoenix - Experiment Independent Event Display
- Pre-conditioners applied to ROOT compression algorithms
- Reduce boost dependence in CMSSW
- Support for Rucio Users with Natural Language Processing
- TMVA Interfaces - Pytorch
- Upgrading the Ganga user interface to use a relational database for persistent storage
- Workflow configuration import and validation for AliECS
Source checked Sep 28, 2026
Participation imported from the GSoC Organizations archive snapshot; this historical listing is not an application-status claim.
2019Google Summer of CodeAnnual program · 29 projects indexed
- Alert Redistribution System for Fink : an Apache Spark based Broker for Astronomy
- Building a Python-based Analysis tool for AWAKE experiment
- CERN Awkward Array Project
- CERNBox: Bring Your Own Application
- Create a user interface for Ganga that allows for the execution of tasks inside user specified virtual machines.
- Creation and usage of disposable Spark on Kubernetes cluster from SWAN notebook
- Development of LSTM and GRU layers in TMVA
- Distributed Computing Resources: aggregation, usage, monitoring
- Experiment independent display framework and data format
- Generating Hessians and Jacobians via CLAD
- Generative Adversarial Networks for Particle Physics Applications
- Implement a GlobalModuleIndex in ROOT and Cling
- Implement Event based Seeding and Multi-Threading
- Implementation and Optimisation in ACTS of algorithms exposed in TrackML challenge
- Kalman Filter in Rust
- Molr - Operational
- Monitoring DIRAC Components
- Novel Applications of Zstandard (ZSTD) compression algorithm to ROOT
- Optimisation of the Ganga toolkit in terms of memory consumption and persistent storage.
- Package manager for Jupyter Notebook / SWAN
- Proposal for Atlas Experiment - Hasan Öztürk
- Proposal for the Implementation of an HDF5 IO Layer for PODIO
- Python Components for the SIMPLE Grid Framework
- Real-time conditions data distribution for the Online data processing of the ALICE experiment
- Rucio - Exascale Data Management
- SIMT to SPMD Translation
- Testing framework for Jupyter notebooks
- Tools for Understanding CMS Data Access
- VectorFlow
Source checked Sep 28, 2026
Participation imported from the GSoC Organizations archive snapshot; this historical listing is not an application-status claim.
2018Google Summer of CodeAnnual program · 26 projects indexed
- CernVM-FS powered WebAssembly I/O
- Configuration of Lightweight Sites Components using Ansible
- Convolutional Deep Neural Networks on GPUs for Particle Physics Applications
- CPU Race for Particle Hunting
- Development of the Deep Learning Optimization Algorithms in TMVA.
- DIANA-HEP: Analysis Functions:: Implementation and optimization of common particle physics analysis algorithms in a functional paradigm
- Distributed Big Data Analysis with TDataFrame
- Extend clad - The Automatic Differentiation
- FALCON
- Faster Matrix Algebra for ATLAS
- GDML I/O for VecGeom Geometry Package
- Generative Adversarial Networks for Particle Physics Applications
- HAhRD: DeepReconstruction
- Improve multi-threading support for CERN’s Allpix-Squared project using dependency graphs
- Large-scale computing backend for Jupyter notebooks - HTCondor batch job submission and monitoring using the Ganga toolkit
- Modular YAMPL
- Monitoring and traceability of jobs using ElasticSearch - DIRAC
- Open-Source Simulations for Gas Detector on Python
- Optimize and Integrate Standalone Tracking Library (SixTrackLib)
- Petabyte-Scale Cloud Storage File Manager
- Pure-Go XRootD client implementation
- Recurrent Neural Networks and LSTMs on GPUs for Particle Physics Applications
- ROOT package manager
- Rucio : Billion-row scalable and flexible metadata
- Spark3D: Extend Apache Spark to support 3D Spatial Datasets
- Variational Autoencoders on GPUs for particle physics applications
Source checked Sep 28, 2026
Participation imported from the GSoC Organizations archive snapshot; this historical listing is not an application-status claim.
2017Google Summer of CodeAnnual program · 20 projects indexed
- Assess ROOT's asynchronous data prefetching
- Automatic code generation for fast inference in the CMS tracking software
- Big Data Tools for Physics Analysis
- Convolutional Deep Neural Networks on GPUs for Particle Physics Applications
- Convolutional Deep Neural Networks on GPUs for Particle Physics Applications
- Convolutional Deep Neural Networks on GPUs for Particle Physics Applications
- Deep Anomaly
- Efficient Python routines for analysis on massively multi-threaded platforms-Python bindings for the Hydra C++ library
- Electron-ion collision in Pythia8
- Improvements in vectorization and parallelization of ROOT Math libraries
- Integration of TMVA and OpenML platform
- Jet Clustering Optimizations in Fads
- Launching Wagon, a WebAssembly interpreter in Go
- Machine Learning Project: Multi-target Regression for Particle Physics
- New error control methods for integration of trajectories
- Next generation of CMS data replication system
- Optimisation of GeantV HPC workload balancing
- Smart Data Structures in CUDA
- Updating gopy to support Python3 and PyPy
- Using Pseudo-random number repeatably in a fine-grain multithreaded simulation
Source checked Sep 28, 2026
Participation imported from the GSoC Organizations archive snapshot; this historical listing is not an application-status claim.