Methods

{
  "name": "SceneCheckMultithreading",
  "namespace": "multithreading::_scenechecking_",
  "module": "MultiThreading",
  "include": "MultiThreading/SceneCheckMultithreading.h",
  "doc": "",
  "inherits": [
    "SceneCheck"
  ],
  "templates": [],
  "data_fields": [],
  "links": [],
  "methods": [
    {
      "name": "newSPtr",
      "return_type": "int",
      "params": [],
      "is_virtual": false,
      "is_pure_virtual": false,
      "is_static": true,
      "access": "public"
    },
    {
      "name": "getName",
      "return_type": "const int",
      "params": [],
      "is_virtual": false,
      "is_pure_virtual": false,
      "is_static": false,
      "access": "public"
    },
    {
      "name": "getDesc",
      "return_type": "const int",
      "params": [],
      "is_virtual": false,
      "is_pure_virtual": false,
      "is_static": false,
      "access": "public"
    },
    {
      "name": "doInit",
      "return_type": "void",
      "params": [
        {
          "name": "node",
          "type": "sofa::simulation::Node *"
        }
      ],
      "is_virtual": true,
      "is_pure_virtual": false,
      "is_static": false,
      "access": "public"
    },
    {
      "name": "doCheckOn",
      "return_type": "void",
      "params": [
        {
          "name": "node",
          "type": "sofa::simulation::Node *"
        }
      ],
      "is_virtual": true,
      "is_pure_virtual": false,
      "is_static": false,
      "access": "public"
    },
    {
      "name": "doPrintSummary",
      "return_type": "void",
      "params": [],
      "is_virtual": true,
      "is_pure_virtual": false,
      "is_static": false,
      "access": "public"
    }
  ],
  "description": "<SceneCheckMultithreading is a component in the SOFA framework designed to check for opportunities to use multithreading to potentially improve performance by replacing sequential components with their parallel equivalents.\n\n**Role and Purpose**: SceneCheckMultithreading inherits from `sofa::simulation::SceneCheck` and is specifically designed to identify scene elements that have parallel implementations available. It helps users optimize their simulations by suggesting which components can be replaced with multithreaded versions for improved performance.\n\n**Interactions with Other Components**: This component interacts primarily with the SOFA simulation node, which represents a part of the scene graph. The `doCheckOn` method iterates through all objects in the given node and checks if any of them have parallel implementations registered via `ParallelImplementationsRegistry`. It also interfaces with `sofa::core::ObjectFactory` to verify that these parallel components are available for creation.\n\n**Practical Usage Guidance**: SceneCheckMultithreading is used to analyze a scene and identify sequential components that can be replaced by their multithreaded equivalents. The component does not perform the replacement itself but provides a summary of potential improvements via `doPrintSummary`. Users should integrate this component into their simulation setup for performance optimization advice.\n\n**Data Fields**: SceneCheckMultithreading uses a private member variable `m_summary` to store pairs of sequential and parallel component names for summarization.>",
  "maths": "The `SceneCheckMultithreading` component in the SOFA framework does not directly implement or contribute to any governing equations, constitutive laws, kinematic models, or numerical methods typically associated with the Finite Element Method (FEM). Instead, it serves a diagnostic and optimization role within the broader simulation context.\n\n### Role in the Global FEM Pipeline:\n\n1. **Scene Check**: `SceneCheckMultithreading` is designed to analyze the SOFA scene graph, which represents the hierarchical structure of objects, constraints, forces, and other components involved in the simulation. Its primary function is to identify opportunities for performance optimization by suggesting replacements of sequential (single-threaded) components with their parallel (multithreaded) equivalents.\n\n2. **Identification of Opportunities**: The component checks each node in the scene graph for objects that have registered parallel implementations. This involves querying the `ParallelImplementationsRegistry` and verifying the availability of these parallel components through the `sofa::core::ObjectFactory`.\n\n3. **Summary Generation**: After identifying potential improvements, `SceneCheckMultithreading` compiles a summary list of sequential component names and their corresponding parallel equivalents using the private member variable `m_summary`. This summary is printed via the `doPrintSummary` method to provide guidance for users on how to optimize their simulations.\n\n### Numerical Methods or Discretization Choices:\n\nThe component itself does not encode any numerical methods or discretization choices. It operates at a higher level of abstraction by analyzing and recommending optimizations rather than performing any direct computational operations associated with FEM or other simulation techniques.\n\n### Integration into the Variational/Lagrangian Mechanics Framework:\n\n`SceneCheckMultithreading` does not directly contribute to the variational formulation, weak form derivation, element operator construction, or any of the nonlinear/linear resolution steps typically involved in a comprehensive FEM pipeline. Instead, it facilitates the optimization of simulation performance by identifying and recommending multithreaded components that can be used to enhance computational efficiency.\n\n### Summary:\n\nThe `SceneCheckMultithreading` component is primarily a diagnostic tool designed for performance optimization within the SOFA framework. It does not contribute to the mathematical or physical models but rather assists in ensuring that simulations are executed as efficiently as possible by suggesting replacements of sequential components with their parallel equivalents.",
  "abstract": "SceneCheckMultithreading identifies sequential components within the SOFA scene graph that can be replaced with their multithreaded equivalents to improve simulation performance.",
  "sheet": "\n# SceneCheckMultithreading\n\n**Overview**\n\nSceneCheckMultithreading is a diagnostic component in the SOFA framework designed to identify opportunities for using multithreading. It inherits from `sofa::simulation::SceneCheck` and checks each node in the scene graph to determine if any components have registered parallel implementations available via `ParallelImplementationsRegistry`. This component does not perform replacements itself but provides summaries of potential improvements.\n\n**Practical Notes**\n\n- SceneCheckMultithreading is used to analyze a simulation scene and suggest which sequential components can be replaced with multithreaded equivalents for performance optimization.\n- The component uses the `doPrintSummary` method to output a summary list of sequential and parallel component names, aiding users in making informed decisions about optimizing their simulations.\n"
}