Struct ExpressionGraph 

pub struct ExpressionGraph { /* private fields */ }

Expression graph representing a computational graph of tensor operations

Implementations

impl ExpressionGraph

pub fn new() -> Self

Create a new empty expression graph

pub fn add_node(&mut self, operation: OperationType) -> NodeId

Add a new node to the graph

pub fn add_edge(&mut self, from: NodeId, to: NodeId) -> Result<()>

Add an edge between two nodes

pub fn get_node(&self, id: NodeId) -> Option<&ExpressionNode>

Get a node by ID

pub fn get_node_mut(&mut self, id: NodeId) -> Option<&mut ExpressionNode>

Get a mutable node by ID

pub fn nodes(&self) -> &HashMap<NodeId, ExpressionNode>

Get all nodes in the graph

pub fn roots(&self) -> &HashSet<NodeId>

Get root nodes (nodes with no dependents)

pub fn topological_sort(&self) -> Result<Vec<NodeId>>

Perform topological sort of the graph

pub fn detect_fusable_chains(&self) -> Vec<Vec<NodeId>>

Detect fusable operation chains

pub fn calculate_memory_usage(&self) -> usize

Calculate memory usage for the entire graph

pub fn calculate_compute_cost(&self) -> f32

Calculate total computation cost

pub fn get_leaf_nodes(&self) -> Vec<NodeId>

Get all leaf nodes (nodes with no inputs)

pub fn verify_integrity(&self) -> Result<()>

Verify graph integrity

Trait Implementations

impl Clone for ExpressionGraph

fn clone(&self) -> ExpressionGraph

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ExpressionGraph

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for ExpressionGraph

fn default() -> Self

Returns the “default value” for a type.