ClementiGroup/mlcg
Nov 2024 – Jul 2026
20 Months active
Languages Used
PythonMarkdownRSTYAMLreStructuredTextCUDAGit IgnoreJSON
Technical Skills
Deep LearningMachine LearningModel TrainingCheckpointingCode FormattingData Management
sayeg84
PROFILE
Sayeg84
Over 20 months, contributed to the ClementiGroup/mlcg repository by building and refining advanced molecular simulation and machine learning workflows. Developed features such as modular energy term architectures, robust checkpointing, and portable YAML-based training configurations, while enhancing simulation reliability and reproducibility. Applied Python, PyTorch, and YAML to implement deep learning models, optimize performance with torch.compile, and streamline CI/CD pipelines using GitHub Actions and Docker. Improved code quality through systematic refactoring, Black formatting, and expanded test coverage. Addressed bugs in model search, parallel tempering, and checkpoint handling, ensuring stable production workflows and maintainable code for scientific computing and data-driven research.
Overall Statistics
Feature vs Bugs
72%Features
Repository Contributions
113Total
Bugs
13
Commits
113
Features
34
Lines of code
20,547
Activity Months20
Your Network
9 peopleShared Repositories
9
Alessandro CarusoMember
kbnoMember
ncharMember
nec4Member
Klara BonneauMember
Klara BonneauMember
lianctrlMember
Paul MifsudMember
jacopoventurinMember
Work History
July 2026
1 Commits • 1 Features
Jul 1, 2026July 2026: Strengthened CI/CD code quality controls for ClementiGroup/mlcg by upgrading the Black code formatter in the linting workflow from 25.1 to 26.1, enhancing automatic style checks and alignment with the latest standards. No major bugs identified in scope; the upgrade contributed to more reliable PR validation and reduced formatting churn.
1 Commits • 1 Features
Jul 1, 2026July 2026: Strengthened CI/CD code quality controls for ClementiGroup/mlcg by upgrading the Black code formatter in the linting workflow from 25.1 to 26.1, enhancing automatic style checks and alignment with the latest standards. No major bugs identified in scope; the upgrade contributed to more reliable PR validation and reduced formatting churn.
July 2026
June 2026
3 Commits • 2 Features
Jun 1, 2026June 2026 (2026-06) delivered key feature enhancements and documentation improvements that strengthen model capability and developer productivity for ClementiGroup/mlcg. Introduced a new QuarticRawAngles class to compute features for angle priors in a polynomial context, enabling the model to better handle complex angle interactions; included a refactor to consolidate function arguments into a single line to improve readability and reduce error surface. Completed a documentation refresh (README and CLI docs) to improve structure, navigation, and onboarding. Applied code-quality improvements via Black formatting fixes to ensure consistent style and CI reliability. These changes collectively enhance model expressiveness, maintainability, and the speed of future feature development.
June 2026
3 Commits • 2 Features
Jun 1, 2026June 2026 (2026-06) delivered key feature enhancements and documentation improvements that strengthen model capability and developer productivity for ClementiGroup/mlcg. Introduced a new QuarticRawAngles class to compute features for angle priors in a polynomial context, enabling the model to better handle complex angle interactions; included a refactor to consolidate function arguments into a single line to improve readability and reduce error surface. Completed a documentation refresh (README and CLI docs) to improve structure, navigation, and onboarding. Applied code-quality improvements via Black formatting fixes to ensure consistent style and CI reliability. These changes collectively enhance model expressiveness, maintainability, and the speed of future feature development.
May 2026
2 Commits • 1 Features
May 1, 2026May 2026: Key deliverables on ClementiGroup/mlcg focused on robustness and advanced molecular modeling features. Delivered bug fix for None handling in model type search; introduced regularized RBFs and repulsion in SchNet with new classes (RBFRegularizedSchNet, RBFRegularizedPaiNN), exponential repulsion prior, and expanded tests; completed codebase refactors and testing improvements to support reliability and maintainability.
2 Commits • 1 Features
May 1, 2026May 2026: Key deliverables on ClementiGroup/mlcg focused on robustness and advanced molecular modeling features. Delivered bug fix for None handling in model type search; introduced regularized RBFs and repulsion in SchNet with new classes (RBFRegularizedSchNet, RBFRegularizedPaiNN), exponential repulsion prior, and expanded tests; completed codebase refactors and testing improvements to support reliability and maintainability.
May 2026
April 2026
1 Commits
Apr 1, 2026April 2026 monthly summary for ClementiGroup/mlcg focused on reliability and code quality in the parallel tempering workflow. No new feature delivery this month; the primary work was a critical bug fix and a minor code style update that together improve accuracy, data integrity, and maintainability of the replica-exchange simulations.
April 2026
1 Commits
Apr 1, 2026April 2026 monthly summary for ClementiGroup/mlcg focused on reliability and code quality in the parallel tempering workflow. No new feature delivery this month; the primary work was a critical bug fix and a minor code style update that together improve accuracy, data integrity, and maintainability of the replica-exchange simulations.
March 2026
9 Commits • 3 Features
Mar 1, 2026March 2026 monthly summary for ClementiGroup/mlcg. Focused on delivering robust neighbor list capabilities, improving user guidance, and strengthening code quality and tooling to support maintainability and faster onboarding. Key features delivered include ASE-compatible neighbor list enhancements with raw data support under periodic boundary conditions and an API to cap the number of neighbors; a structured warning and guidance system for non-standard neighbor list methods with improved PBC correctness; and broad code quality, documentation, and tooling improvements to enhance maintainability and readability across the repo.
9 Commits • 3 Features
Mar 1, 2026March 2026 monthly summary for ClementiGroup/mlcg. Focused on delivering robust neighbor list capabilities, improving user guidance, and strengthening code quality and tooling to support maintainability and faster onboarding. Key features delivered include ASE-compatible neighbor list enhancements with raw data support under periodic boundary conditions and an API to cap the number of neighbors; a structured warning and guidance system for non-standard neighbor list methods with improved PBC correctness; and broad code quality, documentation, and tooling improvements to enhance maintainability and readability across the repo.
March 2026
February 2026
11 Commits • 3 Features
Feb 1, 2026February 2026 monthly work summary for ClementiGroup/mlcg focusing on delivering user-centric features, improving reliability, and clarifying release readiness.
February 2026
11 Commits • 3 Features
Feb 1, 2026February 2026 monthly work summary for ClementiGroup/mlcg focusing on delivering user-centric features, improving reliability, and clarifying release readiness.
January 2026
5 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for ClementiGroup/mlcg focused on delivering a robust CLN simulation demo and strengthening the documentation build pipeline. This period emphasized reproducibility, performance, and developer experience to drive faster onboarding and safer CI/CD.
5 Commits • 1 Features
Jan 1, 2026January 2026 monthly summary for ClementiGroup/mlcg focused on delivering a robust CLN simulation demo and strengthening the documentation build pipeline. This period emphasized reproducibility, performance, and developer experience to drive faster onboarding and safer CI/CD.
January 2026
December 2025
1 Commits • 1 Features
Dec 1, 2025Implemented major project-structure improvements and an upgraded testing workflow for ClementiGroup/mlcg. Deprecation of setup.py, refactored package layout, enhanced CI configurations, and reorganized tests. Introduced a new pytest configuration enabling light testing modes and improved test management. Updated documentation to reflect new usage commands and enforced Black formatting across the codebase.
December 2025
1 Commits • 1 Features
Dec 1, 2025Implemented major project-structure improvements and an upgraded testing workflow for ClementiGroup/mlcg. Deprecation of setup.py, refactored package layout, enhanced CI configurations, and reorganized tests. Introduced a new pytest configuration enabling light testing modes and improved test management. Updated documentation to reflect new usage commands and enforced Black formatting across the codebase.
November 2025
1 Commits
Nov 1, 2025Month: 2025-11 — ClementiGroup/mlcg monthly summary focused on stabilizing neural network model search through a targeted bug fix. The primary deliverable was precision stabilization in the recursive search by enforcing stricter type checks and ensuring all dependencies are included, leading to more reliable model search results. No new user-facing features were released; however, the improvement enhances model discovery reliability, reduces edge-case failures, and improves downstream pipeline confidence. This work strengthens the integrity of the model search workflow and reduces debugging time in future sprints.
1 Commits
Nov 1, 2025Month: 2025-11 — ClementiGroup/mlcg monthly summary focused on stabilizing neural network model search through a targeted bug fix. The primary deliverable was precision stabilization in the recursive search by enforcing stricter type checks and ensuring all dependencies are included, leading to more reliable model search results. No new user-facing features were released; however, the improvement enhances model discovery reliability, reduces edge-case failures, and improves downstream pipeline confidence. This work strengthens the integrity of the model search workflow and reduces debugging time in future sprints.
November 2025
October 2025
12 Commits • 7 Features
Oct 1, 2025Month 2025-10 — ClementiGroup/mlcg Key features delivered and improvements: - Langevin simulation performance optimization: Integrated PyTorch torch.compile to accelerate the Langevin model, with Dynamo logging configured to reduce noise and provide cleaner, reproducible outputs. - CI and testing improvements: Reduced CircleCI timeouts, added parallel execution for example tests, and updated CI to align with newer Python versions and dependencies for faster, more reliable builds. - Documentation and onboarding: Clarified installation steps, emphasized prerequisites ordering, and improved README formatting for readability. - PyTorch compatibility and dependencies: Updated to PyTorch 2.6+ to maintain compatibility with evolving tooling and dependencies. - Codebase organization: Reorganized assets by moving cgmatrix.pt into a dedicated assets directory and updated internal references. - Loading and checkpoint handling: Suppressed non-critical warnings by explicitly setting weights_only=False in torch.load paths across modules. - SchNet detection bug fix: Corrected model detection by enhancing recursive traversal to properly handle SumOut and GradientsOut modules. - Release version bumps: Bumped mlcg package version to 0.1.1 and synchronized version references across configuration and initialization files. Overall impact and business value: - Significant runtime improvements for Langevin simulations enable more extensive experimentation and faster iteration cycles. - More reliable, faster CI feedback reduces integration risk and accelerates shipping of features to users. - Improved developer onboarding and maintainability through clearer docs and a cleaner codebase. - Up-to-date dependencies and robust model loading increase stability in production-like environments. Technologies/skills demonstrated: - PyTorch torch.compile and Dynamo-based logging control - CI/CD optimization (CircleCI), parallel test execution - Dependency management and PyTorch 2.6+ compatibility - Codebase refactoring and asset management - Robust recursive model traversal and bug fixing - Versioning and release engineering
October 2025
12 Commits • 7 Features
Oct 1, 2025Month 2025-10 — ClementiGroup/mlcg Key features delivered and improvements: - Langevin simulation performance optimization: Integrated PyTorch torch.compile to accelerate the Langevin model, with Dynamo logging configured to reduce noise and provide cleaner, reproducible outputs. - CI and testing improvements: Reduced CircleCI timeouts, added parallel execution for example tests, and updated CI to align with newer Python versions and dependencies for faster, more reliable builds. - Documentation and onboarding: Clarified installation steps, emphasized prerequisites ordering, and improved README formatting for readability. - PyTorch compatibility and dependencies: Updated to PyTorch 2.6+ to maintain compatibility with evolving tooling and dependencies. - Codebase organization: Reorganized assets by moving cgmatrix.pt into a dedicated assets directory and updated internal references. - Loading and checkpoint handling: Suppressed non-critical warnings by explicitly setting weights_only=False in torch.load paths across modules. - SchNet detection bug fix: Corrected model detection by enhancing recursive traversal to properly handle SumOut and GradientsOut modules. - Release version bumps: Bumped mlcg package version to 0.1.1 and synchronized version references across configuration and initialization files. Overall impact and business value: - Significant runtime improvements for Langevin simulations enable more extensive experimentation and faster iteration cycles. - More reliable, faster CI feedback reduces integration risk and accelerates shipping of features to users. - Improved developer onboarding and maintainability through clearer docs and a cleaner codebase. - Up-to-date dependencies and robust model loading increase stability in production-like environments. Technologies/skills demonstrated: - PyTorch torch.compile and Dynamo-based logging control - CI/CD optimization (CircleCI), parallel test execution - Dependency management and PyTorch 2.6+ compatibility - Codebase refactoring and asset management - Robust recursive model traversal and bug fixing - Versioning and release engineering
September 2025
10 Commits • 3 Features
Sep 1, 2025In September 2025, the ClementiGroup/mlcg team delivered tooling and process improvements that streamline migration, enhance reliability, and boost developer productivity. Key outcomes include (1) a YAML training configuration migration tool with tests to enable seamless upgrading from legacy configs to PyTorch Lightning, (2) a bug fix correcting an extraneous character in the YAML attention config to ensure proper parsing, (3) CI/CD and environment reproducibility enhancements—CircleCI updates for dependency installation and conda environments, Docker image upgrade to Python 3.12, refined test execution and a CPU-only environment spec with hashes, and a version bump, and (4) documentation string formatting standardization for consistency across modules.
10 Commits • 3 Features
Sep 1, 2025In September 2025, the ClementiGroup/mlcg team delivered tooling and process improvements that streamline migration, enhance reliability, and boost developer productivity. Key outcomes include (1) a YAML training configuration migration tool with tests to enable seamless upgrading from legacy configs to PyTorch Lightning, (2) a bug fix correcting an extraneous character in the YAML attention config to ensure proper parsing, (3) CI/CD and environment reproducibility enhancements—CircleCI updates for dependency installation and conda environments, Docker image upgrade to Python 3.12, refined test execution and a CPU-only environment spec with hashes, and a version bump, and (4) documentation string formatting standardization for consistency across modules.
September 2025
August 2025
2 Commits • 1 Features
Aug 1, 2025August 2025 focused on strengthening the energy terms subsystem within ClementiGroup/mlcg and safeguarding the training pipeline against version changes. Delivered a modular energy terms architecture with new base classes and dedicated implementations (harmonic, repulsion, Fourier series, and polynomial interactions), improving modularity, maintainability, and future extensibility. Updated training configurations to be Lightning 1.9.4 compatible, preventing runtime issues by aligning max_epochs, accelerator, and callbacks with the new version. These changes reduce maintenance risk, accelerate feature iteration, and improve overall pipeline reliability.
August 2025
2 Commits • 1 Features
Aug 1, 2025August 2025 focused on strengthening the energy terms subsystem within ClementiGroup/mlcg and safeguarding the training pipeline against version changes. Delivered a modular energy terms architecture with new base classes and dedicated implementations (harmonic, repulsion, Fourier series, and polynomial interactions), improving modularity, maintainability, and future extensibility. Updated training configurations to be Lightning 1.9.4 compatible, preventing runtime issues by aligning max_epochs, accelerator, and callbacks with the new version. These changes reduce maintenance risk, accelerate feature iteration, and improve overall pipeline reliability.
July 2025
3 Commits
Jul 1, 2025July 2025 focused on reliability and correctness of the simulation workflow in ClementiGroup/mlcg. Delivered fixes to ensure robust restart behavior and parallel-tempering consistency, and improved test stability to reduce flaky results. These changes enhance overall simulation reliability, reproducibility, and trust in production experiments.
3 Commits
Jul 1, 2025July 2025 focused on reliability and correctness of the simulation workflow in ClementiGroup/mlcg. Delivered fixes to ensure robust restart behavior and parallel-tempering consistency, and improved test stability to reduce flaky results. These changes enhance overall simulation reliability, reproducibility, and trust in production experiments.
July 2025
May 2025
1 Commits • 1 Features
May 1, 2025May 2025 monthly summary for ClementiGroup/mlcg: Delivered portable SchNet training configuration to improve cross-environment portability and reproducibility, with YAML-based configuration, generic dataset path placeholders, and updated documentation. Fixed misconfigured paths to reduce setup friction and ensure robust training workflows. The work lays a foundation for scalable experiments and easier onboarding.
May 2025
1 Commits • 1 Features
May 1, 2025May 2025 monthly summary for ClementiGroup/mlcg: Delivered portable SchNet training configuration to improve cross-environment portability and reproducibility, with YAML-based configuration, generic dataset path placeholders, and updated documentation. Fixed misconfigured paths to reduce setup friction and ensure robust training workflows. The work lays a foundation for scalable experiments and easier onboarding.
April 2025
5 Commits • 2 Features
Apr 1, 2025April 2025 monthly highlights for ClementiGroup/mlcg: strengthened reliability, maintainability, and CI discipline through documentation and test readability improvements, a naming bug fix with robust test updates, and an automated GitHub Actions workflow. These deliverables reduce release risk, improve developer onboarding, and clarify internal expectations for simulation parameters and coordinate calculations.
5 Commits • 2 Features
Apr 1, 2025April 2025 monthly highlights for ClementiGroup/mlcg: strengthened reliability, maintainability, and CI discipline through documentation and test readability improvements, a naming bug fix with robust test updates, and an automated GitHub Actions workflow. These deliverables reduce release risk, improve developer onboarding, and clarify internal expectations for simulation parameters and coordinate calculations.
April 2025
March 2025
15 Commits • 2 Features
Mar 1, 2025March 2025 – ClementiGroup/mlcg: Focused on documentation improvements, test coverage, and notebook reliability. Delivered documentation improvements for MLCG examples and tutorials (clarified purpose, fixed typos, standardized wording across README files and notebooks). Added and refined unit tests for sparsification/desparsification of HarmonicAngles and Dihedral priors to verify dense-sparse round-trips. Fixed the coarse-grained model notebook to correct CG matrix calculations, integrate aggforce, and refine simulation parameters to ensure the notebook runs reliably. These changes improve onboarding, strengthen simulation demonstrations, and increase maintainability and confidence in the math and models. Demonstrated Python-based development and quality practices, including pytest-style tests, Black formatting, and codeowners updates.
March 2025
15 Commits • 2 Features
Mar 1, 2025March 2025 – ClementiGroup/mlcg: Focused on documentation improvements, test coverage, and notebook reliability. Delivered documentation improvements for MLCG examples and tutorials (clarified purpose, fixed typos, standardized wording across README files and notebooks). Added and refined unit tests for sparsification/desparsification of HarmonicAngles and Dihedral priors to verify dense-sparse round-trips. Fixed the coarse-grained model notebook to correct CG matrix calculations, integrate aggforce, and refine simulation parameters to ensure the notebook runs reliably. These changes improve onboarding, strengthen simulation demonstrations, and increase maintainability and confidence in the math and models. Demonstrated Python-based development and quality practices, including pytest-style tests, Black formatting, and codeowners updates.
February 2025
17 Commits • 3 Features
Feb 1, 2025February 2025: Focused on data compatibility, code quality, and test stability to enable scalable training and reliable execution in MLcg workflows. Key outcomes include H5/HDF5 dataset support with end-to-end docs and examples, repo-wide documentation and formatting improvements, stabilization of tests for SchNet and CUDA-dependent radius optimization, and the introduction of sparsify/desparsify utilities to enable in-place sparsification of priors for Dihedral/Repulsion/Harmonic models. These changes reduce onboarding time, improve training reliability, and enhance runtime efficiency on larger datasets.
17 Commits • 3 Features
Feb 1, 2025February 2025: Focused on data compatibility, code quality, and test stability to enable scalable training and reliable execution in MLcg workflows. Key outcomes include H5/HDF5 dataset support with end-to-end docs and examples, repo-wide documentation and formatting improvements, stabilization of tests for SchNet and CUDA-dependent radius optimization, and the introduction of sparsify/desparsify utilities to enable in-place sparsification of priors for Dihedral/Repulsion/Harmonic models. These changes reduce onboarding time, improve training reliability, and enhance runtime efficiency on larger datasets.
February 2025
January 2025
10 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for ClementiGroup/mlcg: Focused on code health, documentation, and governance to reduce technical debt and accelerate future feature work. No user-facing feature releases this month; instead, targeted maintenance, quality improvements, and process enhancements were delivered to strengthen reliability and collaboration.
January 2025
10 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for ClementiGroup/mlcg: Focused on code health, documentation, and governance to reduce technical debt and accelerate future feature work. No user-facing feature releases this month; instead, targeted maintenance, quality improvements, and process enhancements were delivered to strengthen reliability and collaboration.
December 2024
3 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for ClementiGroup/mlcg: Implemented a robust numpy file indexing initialization for simulation save and checkpoint resume, improving data continuity and reliability for long-running simulations. The work ensures correct initialization and calculation of _npy_file_index and _npy_starting_index for both new runs and resumes from checkpoints, with alignment to the current_timestep to prevent data gaps. Includes a readability refactor of the _npy_starting_index calculation and code quality improvements via Black formatting. Overall, this enhances data integrity, reproducibility, and developer productivity while preparing the repo for future scaling.
3 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for ClementiGroup/mlcg: Implemented a robust numpy file indexing initialization for simulation save and checkpoint resume, improving data continuity and reliability for long-running simulations. The work ensures correct initialization and calculation of _npy_file_index and _npy_starting_index for both new runs and resumes from checkpoints, with alignment to the current_timestep to prevent data gaps. Includes a readability refactor of the _npy_starting_index calculation and code quality improvements via Black formatting. Overall, this enhances data integrity, reproducibility, and developer productivity while preparing the repo for future scaling.
December 2024
November 2024
1 Commits
Nov 1, 2024Month: 2024-11 — ClementiGroup/mlcg: Stability-focused improvement addressing a PLModel hyperparameters saving crash. Implemented by invoking self.save_hyperparameters() with logger=False to disable logging during save, eliminating a crash path and reducing training downtime. This work enhances reliability for training runs and supports more consistent experiment results across environments.
November 2024
1 Commits
Nov 1, 2024Month: 2024-11 — ClementiGroup/mlcg: Stability-focused improvement addressing a PLModel hyperparameters saving crash. Implemented by invoking self.save_hyperparameters() with logger=False to disable logging during save, eliminating a crash path and reducing training downtime. This work enhances reliability for training runs and supports more consistent experiment results across environments.
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Quality Metrics
Correctness92.8%
Maintainability92.4%
Architecture90.2%
Performance88.4%
AI Usage22.0%
Skills & Technologies
Programming Languages
BashCUDADockerfileGit IgnoreJSONJupyter NotebookMarkdownPDBPythonRST
Technical Skills
CI/CDCUDACheckpointingCode FormattingCode OrganizationCode Ownership ManagementCode RefactoringCode Review ManagementCode formattingCode refactoringConfigurationConfiguration ManagementContinuous IntegrationData AnalysisData Handling
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