timings-impulse-dynamics-derivatives.cpp

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//
// Copyright (c) 2020-2025 LAAS-CNRS, INRIA
//
 
#include "model-fixture.hpp"
 
#include "pinocchio/algorithm/joint-configuration.hpp"
#include "pinocchio/algorithm/impulse-dynamics.hpp"
#include "pinocchio/algorithm/impulse-dynamics-derivatives.hpp"
#include "pinocchio/algorithm/cholesky.hpp"
#include "pinocchio/parsers/urdf.hpp"
#include "pinocchio/multibody/sample-models.hpp"
 
#include <benchmark/benchmark.h>
 
#include <iostream>
 
struct ContactFixture : ModelFixture
{
  void SetUp(benchmark::State & st)
  {
    ModelFixture::SetUp(st);
 
    const std::string RF = "RLEG_LINK6";
    const auto RF_id = model.frames[model.getFrameId(RF)].parentJoint;
    const std::string LF = "LLEG_LINK6";
    const auto LF_id = model.frames[model.getFrameId(LF)].parentJoint;
 
    ci_RF_6D = std::make_unique<pinocchio::RigidConstraintModel>(
      pinocchio::CONTACT_6D, model, RF_id, pinocchio::LOCAL);
    ci_LF_6D = std::make_unique<pinocchio::RigidConstraintModel>(
      pinocchio::CONTACT_6D, model, LF_id, pinocchio::LOCAL);
 
    contact_chol_empty = pinocchio::ContactCholeskyDecomposition(model, contact_models_empty);
 
    contact_models_6D.clear();
    contact_models_6D.push_back(*ci_RF_6D);
 
    contact_data_6D.clear();
    contact_data_6D.push_back(pinocchio::RigidConstraintData(*ci_RF_6D));
 
    contact_chol_6D = pinocchio::ContactCholeskyDecomposition(model, contact_models_6D);
 
    contact_models_6D6D.clear();
    contact_models_6D6D.push_back(*ci_RF_6D);
    contact_models_6D6D.push_back(*ci_LF_6D);
 
    contact_data_6D6D.clear();
    contact_data_6D6D.push_back(pinocchio::RigidConstraintData(*ci_RF_6D));
    contact_data_6D6D.push_back(pinocchio::RigidConstraintData(*ci_LF_6D));
 
    contact_chol_6D6D = pinocchio::ContactCholeskyDecomposition(model, contact_models_6D6D);
 
    r_coeff = (Eigen::ArrayXd::Random(1)[0] + 1.) / 2.;
 
    prox_settings.max_iter = 10;
    prox_settings.mu = 1e8;
  }
 
  void TearDown(benchmark::State & st)
  {
    ModelFixture::TearDown(st);
  }
 
  std::unique_ptr<pinocchio::RigidConstraintModel> ci_RF_6D;
  std::unique_ptr<pinocchio::RigidConstraintModel> ci_LF_6D;
 
  PINOCCHIO_STD_VECTOR_WITH_EIGEN_ALLOCATOR(pinocchio::RigidConstraintModel) contact_models_empty;
  PINOCCHIO_STD_VECTOR_WITH_EIGEN_ALLOCATOR(pinocchio::RigidConstraintData) contact_data_empty;
  PINOCCHIO_STD_VECTOR_WITH_EIGEN_ALLOCATOR(pinocchio::RigidConstraintModel) contact_models_6D;
  PINOCCHIO_STD_VECTOR_WITH_EIGEN_ALLOCATOR(pinocchio::RigidConstraintData) contact_data_6D;
  PINOCCHIO_STD_VECTOR_WITH_EIGEN_ALLOCATOR(pinocchio::RigidConstraintModel) contact_models_6D6D;
  PINOCCHIO_STD_VECTOR_WITH_EIGEN_ALLOCATOR(pinocchio::RigidConstraintData) contact_data_6D6D;
 
  pinocchio::ContactCholeskyDecomposition contact_chol_empty;
  pinocchio::ContactCholeskyDecomposition contact_chol_6D;
  pinocchio::ContactCholeskyDecomposition contact_chol_6D6D;
 
  double r_coeff;
 
  pinocchio::ProximalSettings prox_settings;
};
 
static void CustomArguments(benchmark::internal::Benchmark * b)
{
  b->MinWarmUpTime(3.);
}
 
// IMPULSE_DYNAMICS_DERIVATIVES_EMPTY
 
PINOCCHIO_DONT_INLINE static void impulseDynamicsDerivativesCall(
  const pinocchio::Model & model,
  pinocchio::Data & data,
  const PINOCCHIO_STD_VECTOR_WITH_EIGEN_ALLOCATOR(pinocchio::RigidConstraintModel) & contact_models,
  PINOCCHIO_STD_VECTOR_WITH_EIGEN_ALLOCATOR(pinocchio::RigidConstraintData) & contact_data,
  double r_coeff,
  const pinocchio::ProximalSettings & prox_settings)
{
  pinocchio::computeImpulseDynamicsDerivatives(
    model, data, contact_models, contact_data, r_coeff, prox_settings);
}
BENCHMARK_DEFINE_F(ContactFixture, IMPULSE_DYNAMICS_DERIVATIVES_EMPTY)(benchmark::State & st)
{
  pinocchio::initConstraintDynamics(model, data, contact_models_empty);
  pinocchio::impulseDynamics(
    model, data, q, v, contact_models_empty, contact_data_empty, r_coeff, prox_settings);
  for (auto _ : st)
  {
    impulseDynamicsDerivativesCall(
      model, data, contact_models_empty, contact_data_empty, r_coeff, prox_settings);
  }
}
BENCHMARK_REGISTER_F(ContactFixture, IMPULSE_DYNAMICS_DERIVATIVES_EMPTY)->Apply(CustomArguments);
 
// IMPULSE_DYNAMICS_DERIVATIVES_6D
 
BENCHMARK_DEFINE_F(ContactFixture, IMPULSE_DYNAMICS_DERIVATIVES_6D)(benchmark::State & st)
{
  pinocchio::initConstraintDynamics(model, data, contact_models_6D);
  pinocchio::impulseDynamics(
    model, data, q, v, contact_models_6D, contact_data_6D, r_coeff, prox_settings);
  for (auto _ : st)
  {
    impulseDynamicsDerivativesCall(
      model, data, contact_models_6D, contact_data_6D, r_coeff, prox_settings);
  }
}
BENCHMARK_REGISTER_F(ContactFixture, IMPULSE_DYNAMICS_DERIVATIVES_6D)->Apply(CustomArguments);
 
// IMPULSE_DYNAMICS_DERIVATIVES_6D6D
 
BENCHMARK_DEFINE_F(ContactFixture, IMPULSE_DYNAMICS_DERIVATIVES_6D6D)(benchmark::State & st)
{
  pinocchio::initConstraintDynamics(model, data, contact_models_6D6D);
  pinocchio::impulseDynamics(
    model, data, q, v, contact_models_6D6D, contact_data_6D6D, r_coeff, prox_settings);
  for (auto _ : st)
  {
    impulseDynamicsDerivativesCall(
      model, data, contact_models_6D6D, contact_data_6D6D, r_coeff, prox_settings);
  }
}
BENCHMARK_REGISTER_F(ContactFixture, IMPULSE_DYNAMICS_DERIVATIVES_6D6D)->Apply(CustomArguments);
 
PINOCCHIO_BENCHMARK_MAIN();