hiddenSymmetries/simsopt
Nov 2024 – Jan 2026
10 Months active
Languages Used
DockerfilePythonYAMLC++RSTJAXMarkdown
Technical Skills
CI/CDDependency ManagementDockerDebuggingGitHub ActionsNumerical Analysis
Matt Landreman
PROFILE
Matt Landreman
Matt Land contributed to the hiddenSymmetries/simsopt repository by developing and refining core features for surface geometry modeling, simulation control, and CI/CD reliability. He implemented robust parameterization utilities and spectral condensation algorithms using Python and C++, enhancing the accuracy and flexibility of plasma physics simulations. His work included API improvements, documentation enhancements, and expanded test coverage, ensuring maintainable code and reliable cross-platform builds. By modernizing CI pipelines with GitHub Actions and Docker, Matt improved build stability and developer feedback loops. The depth of his engineering is reflected in thoughtful refactoring, numerical method enhancements, and a focus on reproducible, research-grade workflows.
Overall Statistics
Feature vs Bugs
74%Features
Repository Contributions
78Total
Bugs
9
Commits
78
Features
26
Lines of code
551,876
Activity Months10
Your Network
67 peopleShared Repositories
19
Work History
January 2026
6 Commits • 3 Features
Jan 1, 2026January 2026 monthly summary for hiddenSymmetries/simsopt: Delivered critical accuracy improvements, robustness enhancements, and infrastructure polish that collectively increase simulation fidelity, reliability, and developer productivity. The work strengthened surface representation, tightened optimization under bounds, enriched visualization capabilities, and improved CI/CD and documentation, enabling more reliable experimentation and faster iterations.
6 Commits • 3 Features
Jan 1, 2026January 2026 monthly summary for hiddenSymmetries/simsopt: Delivered critical accuracy improvements, robustness enhancements, and infrastructure polish that collectively increase simulation fidelity, reliability, and developer productivity. The work strengthened surface representation, tightened optimization under bounds, enriched visualization capabilities, and improved CI/CD and documentation, enabling more reliable experimentation and faster iterations.
January 2026
December 2025
25 Commits • 6 Features
Dec 1, 2025December 2025 monthly summary focusing on delivering higher value through robust spectral condensation work, cross-platform stability, and improved testing/documentation. The month consolidated core algorithm improvements with a focus on performance, reliability, and maintainability, while ensuring CI pipelines and tests scale with platform changes and external requests.
December 2025
25 Commits • 6 Features
Dec 1, 2025December 2025 monthly summary focusing on delivering higher value through robust spectral condensation work, cross-platform stability, and improved testing/documentation. The month consolidated core algorithm improvements with a focus on performance, reliability, and maintainability, while ensuring CI pipelines and tests scale with platform changes and external requests.
November 2025
8 Commits • 5 Features
Nov 1, 2025November 2025: Focused on strengthening surface parameterization, improving symmetry operations, and stabilizing the development pipeline. Key work spanned new angle-flip utilities, spectral condensation, documentation improvements, and CI/CD hardening.
8 Commits • 5 Features
Nov 1, 2025November 2025: Focused on strengthening surface parameterization, improving symmetry operations, and stabilizing the development pipeline. Key work spanned new angle-flip utilities, spectral condensation, documentation improvements, and CI/CD hardening.
November 2025
October 2025
4 Commits • 3 Features
Oct 1, 2025In October 2025, the simsopt repository delivered core surface geometry enhancements for SurfaceRZFourier, improving orientation handling and toroidal/poloidal transformations to enable more accurate simulations. The work emphasized test health and non-breaking API improvements, aligning with long-term stability and maintainability goals.
October 2025
4 Commits • 3 Features
Oct 1, 2025In October 2025, the simsopt repository delivered core surface geometry enhancements for SurfaceRZFourier, improving orientation handling and toroidal/poloidal transformations to enable more accurate simulations. The work emphasized test health and non-breaking API improvements, aligning with long-term stability and maintainability goals.
June 2025
2 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary for hiddenSymmetries/simsopt focusing on delivering precise simulation controls and improving code maintainability. The month emphasized API refinement and documentation to support research-backed configurations. No major bug fixes documented in the scope of this repo for this period; changes aimed at robustness through clearer interfaces and maintainable code paths.
2 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary for hiddenSymmetries/simsopt focusing on delivering precise simulation controls and improving code maintainability. The month emphasized API refinement and documentation to support research-backed configurations. No major bug fixes documented in the scope of this repo for this period; changes aimed at robustness through clearer interfaces and maintainable code paths.
June 2025
May 2025
10 Commits • 3 Features
May 1, 2025May 2025 performance summary for hiddenSymmetries/simsopt focusing on feature delivery, bug fixes, and infrastructure improvements that enhance usability, reliability, and maintainability. Key outcomes include comprehensive documentation enhancements, alignment of CurveHelical with simsopt conventions, robust handling of non-uniform phi in extend_via_normal, and expanded CI/config testing coverage.
May 2025
10 Commits • 3 Features
May 1, 2025May 2025 performance summary for hiddenSymmetries/simsopt focusing on feature delivery, bug fixes, and infrastructure improvements that enhance usability, reliability, and maintainability. Key outcomes include comprehensive documentation enhancements, alignment of CurveHelical with simsopt conventions, robust handling of non-uniform phi in extend_via_normal, and expanded CI/config testing coverage.
March 2025
8 Commits • 2 Features
Mar 1, 2025March 2025 monthly summary for hiddenSymmetries/simsopt focusing on user guidance, numerical robustness, and CI reliability. Key work centered on wireframe documentation improvements with enhanced Sphinx rendering, robustness fixes for surface parameterization, and CI/test stability enhancements to reduce flaky builds. The work emphasizes delivering business value through clearer guidance for users, more reliable geometry computations, and faster PR validation.
8 Commits • 2 Features
Mar 1, 2025March 2025 monthly summary for hiddenSymmetries/simsopt focusing on user guidance, numerical robustness, and CI reliability. Key work centered on wireframe documentation improvements with enhanced Sphinx rendering, robustness fixes for surface parameterization, and CI/test stability enhancements to reduce flaky builds. The work emphasizes delivering business value through clearer guidance for users, more reliable geometry computations, and faster PR validation.
March 2025
February 2025
5 Commits • 1 Features
Feb 1, 2025February 2025: Consolidated and accelerated wheel packaging CI for hiddenSymmetries/simsopt by aligning the workflow with cibuildwheel examples and pruning unstable builds, resulting in faster feedback and more reliable wheel artifacts.
February 2025
5 Commits • 1 Features
Feb 1, 2025February 2025: Consolidated and accelerated wheel packaging CI for hiddenSymmetries/simsopt by aligning the workflow with cibuildwheel examples and pruning unstable builds, resulting in faster feedback and more reliable wheel artifacts.
January 2025
9 Commits • 1 Features
Jan 1, 2025January 2025: Stabilized and modernized the CI/testing pipeline for simsopt, improved test robustness across platforms, and prepared groundwork for more reliable builds and accelerated feedback loops. This month focused on CI infrastructure refresh, targeted test hardening, and ensuring near-term release readiness across Ubuntu and macOS environments.
9 Commits • 1 Features
Jan 1, 2025January 2025: Stabilized and modernized the CI/testing pipeline for simsopt, improved test robustness across platforms, and prepared groundwork for more reliable builds and accelerated feedback loops. This month focused on CI infrastructure refresh, targeted test hardening, and ensuring near-term release readiness across Ubuntu and macOS environments.
January 2025
November 2024
1 Commits
Nov 1, 2024November 2024 monthly summary for the hiddenSymmetries/simsopt repository focused on stabilizing CI builds and ensuring reliable HPC integration. Delivered a targeted workaround to known Shifter/NERSC compatibility issues by pinning mpi4py to <4.0 in the Dockerfile, preventing upstream CI/build-time failures and enabling consistent test execution in HPC environments.
November 2024
1 Commits
Nov 1, 2024November 2024 monthly summary for the hiddenSymmetries/simsopt repository focused on stabilizing CI builds and ensuring reliable HPC integration. Delivered a targeted workaround to known Shifter/NERSC compatibility issues by pinning mpi4py to <4.0 in the Dockerfile, preventing upstream CI/build-time failures and enabling consistent test execution in HPC environments.
Activity
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Quality Metrics
Correctness90.0%
Maintainability89.6%
Architecture86.6%
Performance84.4%
AI Usage21.0%
Skills & Technologies
Programming Languages
C++DockerfileJAXMarkdownPythonRSTYAML
Technical Skills
C++C++ DevelopmentCI/CDCode RefactoringConfiguration ManagementContinuous IntegrationDebuggingDependency ManagementDevOpsDockerDocumentationError HandlingGeometryGitGitHub Actions
Repositories Contributed To
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