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perf(jacobian-action): major updates to jacobian action application by removing redudant quadrature work. ~5x increase in speed

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This commit is contained in:
Emily Boudreaux
2026-09-02 17:01:50 -04:00
parent 85500fef3b
commit 25510008dd
74 changed files with 8967 additions and 814 deletions
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35
libmeanfield/interface/operators/prepared_rotation_displacement_force.cppm
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@@ -3,6 +3,7 @@ module;
#include <compare>
#include <cstdint>
#include <optional>
#include <vector>
#include <mfem.hpp>
@@ -103,6 +104,25 @@ export namespace mean_field::operators {
private:
void VerifyPrepared() const;
void PrepareElementData();
void ApplyPreparedCompleteJacobianActionTrue(
const mfem::Vector &densityVariationTrue,
const mfem::Vector &displacementVariationTrue,
mfem::Vector &actionTrue
) const;
struct ElementPAData {
int elementId{-1};
mfem::Array<int> densityDofs;
mfem::Array<int> displacementDofs;
mfem::DofTransformation *densityDofTransformation{nullptr};
mfem::DofTransformation *displacementDofTransformation{nullptr};
const mfem::IntegrationRule *integrationRule{nullptr};
mfem::DenseMatrix inverseElementJacobians;
mfem::DenseMatrix centrifugalAccelerations;
mfem::Vector baseDensityValues;
mfem::Vector quadratureWeights;
};
const fem::FEM &m_fem;
const mapping::DomainMapper &m_domainMapper;
@@ -111,9 +131,24 @@ export namespace mean_field::operators {
std::optional<physics::RigidRotation> m_rotation;
mfem::Vector m_cachedResidual;
std::vector<ElementPAData> m_elements;
mutable mfem::Vector m_densityVariationTrue;
mutable mfem::Vector m_displacementVariationTrue;
mutable mfem::Vector m_actionTrue;
mutable mfem::Vector m_densityVariationLocal;
mutable mfem::Vector m_displacementVariationLocal;
mutable mfem::Vector m_localAction;
mutable mfem::Vector m_elementDensityVariation;
mutable mfem::Vector m_elementDisplacementVariation;
mutable mfem::Vector m_elementAction;
mutable mfem::Vector m_densityShape;
mutable mfem::Vector m_displacementShape;
mutable mfem::Vector m_physicalPositionVariation;
mutable mfem::Vector m_centrifugalAcceleration;
mutable mfem::Vector m_centrifugalAccelerationVariation;
mutable mfem::Vector m_weightedForce;
mutable mfem::DenseMatrix m_referenceDisplacementDShape;
mutable mfem::DenseMatrix m_referenceDisplacementJacobian;
context::rotational_displacement_force::RotationalDisplacementForceDependencies m_preparedDependencies;