Code overview

π-PIC provides three interraction levels, the Python interface, extensions and solvers. These entities are called and combined in the ensemble using common interfaces.

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Architecture Components

• Python Interface
  • Initialization
  • Advance
  • Field Callbacks
  • Particle Callbacks
  • Add Handler
  • Constants and Utilities
  • Advanced Usage
• Extensions
  • Overview
  • Extensions
  • Extension Development
• Solvers
  • Overview
  • Available Solvers
  • Deploying New Solvers
• Ensemble
  • Overview
  • PIC advancement

Notes on Threading and Determinism

• RNG is thread-locked but seeded deterministically; pipic.setRngGenSeed controls reproducibility.

• OMP parallelism is available for field loops and main advance; loop layout staggers cell processing to reduce write conflicts.

Notes on Units and Conventions

• All physics in CGS;

• Grid cell counts should be powers of two for FFT-based solvers.

• Default geometry is periodic unless a solver or handler imposes other boundary rules.