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fix(MultiscalePartitioningEngineView): began work to call the QSE solver every timestep

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one major issue was that QSE solving was only running at each partition. This was creating effectivley infinite sources of partitioned species. Now we partition when engine updates are triggered, however, solveQSEAbundance is called every timestep. This has major performance implications and so has required a lot of optimization to make it even somewhat viable. For now construction is much slower. Time per iteration is still slower than it was before; however, it is tractable. There is also currently too much stiffness in the network. This is likeley a bug that was introduced in this refactoring which will be addressed soon.
This commit is contained in:
Emily Boudreaux
2025-11-12 16:54:12 -05:00
parent 741a11d256
commit 81cca35130
20 changed files with 446 additions and 697 deletions
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11
src/include/gridfire/solver/strategies/CVODE_solver_strategy.h
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@@ -177,6 +177,7 @@ namespace gridfire::solver {
const std::vector<fourdst::atomic::Species>& networkSpecies; ///< Species layout.
const size_t currentConvergenceFailures; ///< Total number of convergence failures
const size_t currentNonlinearIterations; ///< Total number of non-linear iterations
const std::map<fourdst::atomic::Species, std::unordered_map<std::string, double>>& reactionContributionMap; ///< Map of reaction contributions for the current step
/**
* @brief Construct a context snapshot.
@@ -192,7 +193,8 @@ namespace gridfire::solver {
const DynamicEngine& engine,
const std::vector<fourdst::atomic::Species>& networkSpecies,
size_t currentConvergenceFailure,
size_t currentNonlinearIterations
size_t currentNonlinearIterations,
const std::map<fourdst::atomic::Species, std::unordered_map<std::string, double>> &reactionContributionMap
);
/**
@@ -223,6 +225,11 @@ namespace gridfire::solver {
double energy{};
const std::vector<fourdst::atomic::Species>* networkSpecies{};
std::unique_ptr<exceptions::StaleEngineTrigger> captured_exception = nullptr;
std::optional<std::map<fourdst::atomic::Species, std::unordered_map<std::string, double>>> reaction_contribution_map;
};
struct CVODERHSOutputData {
std::map<fourdst::atomic::Species, std::unordered_map<std::string, double>> reaction_contribution_map;
};
private:
@@ -248,7 +255,7 @@ namespace gridfire::solver {
* engine.calculateRHSAndEnergy(T9, rho). Negative small abundances are clamped to zero
* before constructing Composition. On stale engine, throws exceptions::StaleEngineTrigger.
*/
void calculate_rhs(sunrealtype t, N_Vector y, N_Vector ydot, const CVODEUserData* data) const;
CVODERHSOutputData calculate_rhs(sunrealtype t, N_Vector y, N_Vector ydot, const CVODEUserData *data) const;
/**
* @brief Allocate and initialize CVODE vectors, linear algebra, tolerances, and constraints.