Internals References¶

This page collects source files and documentation entry points that are useful when working on Exasim internals.

Runtime Entry Points¶

File	Purpose
`include/ExasimSolver.hpp`	Public runtime class declaration and execution-mode-facing API.
`include/ExasimSolverSetup.hpp`	Provider selection and top-level solver setup helpers.
`backend/Main/ExasimSolver.cpp`	Runtime initialization, solve/postprocess dispatch, parameter sweeps, MPI/Kokkos lifecycle.
`backend/Postprocessing/exasim_postprocess.cpp`	Standalone postprocessing executable.

Directory	Purpose
`backend/Common/`	Shared structs, memory helpers, binary I/O, utility functions.
`backend/Discretization/`	Residuals, operators, geometry, model-driver calls.
`backend/Solution/`	Solve loops, saved solution I/O, output and postprocessing methods.
`backend/Solver/`	Newton/GMRES and system vector management.
`backend/Preconditioning/`	Preconditioner setup and application.
`backend/Preprocessing/`	C++ preprocessing, DMD, mesh/master/app binary generation.
`backend/Visualization/`	VTK/PVD and visualization output support.

Location	Purpose
`text2code/`	Text2Code parser and code generator.
`backend/Model/Text2codeGenerated/`	Text2Code-generated model support.
`backend/Model/FrontendGenerated/`	Frontend-generated provider support.
`backend/Model/BuiltIn/`	Built-in model library and registry support.
`apps/builtinlibrary/`	Built-in dynamic-library ABI app.
`apps/sharedlibrary/`	Shared-library ABI app.
`cmake/frontend-app/`	Installed frontend-generated app template.

Location	Purpose
`tests/check-hygiene.sh`	Repository hygiene checks.
`tests/run-consumer-tests.sh`	Installed package consumer tests.
`frontends/Matlab/Utilities/exasimapptest.m`	Cross-frontend/application integration test entry point.
`.github/workflows/smoke-cpu.yml`	CPU smoke and CTest workflow.
`.github/workflows/docs.yml`	Documentation build workflow.