pub fn eval_order_for_nodes<F, O>(
    nodes: &[Node<F, O>],
    inputs: &[usize],
    targets: &[usize],
    more_dependencies: &[(usize, usize)],
) -> TractResult<Vec<usize>>
where
    F: Fact + Hash + Clone + 'static,
    O: Debug + Display + AsRef<dyn Op> + AsMut<dyn Op> + Clone + 'static + Hash,
{
    let mut done = bit_set::BitSet::with_capacity(nodes.len());
    let mut order: Vec<usize> = vec![];
    for &target in targets {
        if done.contains(target) {
            continue;
        }
        let mut current_stack: Vec<(usize, usize)> = vec![(target, 0)];
        let mut pending = bit_set::BitSet::with_capacity(nodes.len());
        while let Some((current_node, current_input)) = current_stack.pop() {
            let deps_from_inputs = nodes[current_node].inputs.len();
            let all_deps_count =
                deps_from_inputs + more_dependencies.iter().filter(|a| a.0 == current_node).count();
            if inputs.contains(&current_node) || current_input == all_deps_count {
                order.push(current_node);
                done.insert(current_node);
                pending.remove(current_node);
            } else {
                let precursor = if current_input < deps_from_inputs {
                    nodes[current_node].inputs[current_input].node
                } else {
                    more_dependencies
                        .iter()
                        .filter(|a| a.0 == current_node)
                        .nth(current_input - deps_from_inputs)
                        .unwrap()
                        .1
                };
                if done.contains(precursor) {
                    current_stack.push((current_node, current_input + 1));
                } else if pending.contains(precursor) {
                    if log_enabled!(log::Level::Debug) {
                        debug!("Loop detected:");
                        current_stack
                            .iter()
                            .skip_while(|s| s.0 != precursor)
                            .for_each(|n| debug!("  {}", nodes[n.0]));
                    }
                    bail!("Loop detected")
                } else {
                    pending.insert(precursor);
                    current_stack.push((current_node, current_input));
                    current_stack.push((precursor, 0));
                }
            }
        }
    }
    Ok(order)
}
/// Find a working evaluation order for a list of nodes.
Find a working evaluation order for a list of nodes.
Find a working evaluation order for a list of nodes .
pub fn eval_order_for_nodes<F, O>(
    nodes: &[Node<F, O>],
    inputs: &[usize],
    targets: &[usize],
    more_dependencies: &[(usize, usize)],
) -> TractResult<Vec<usize>>
where
    F: Fact + Hash + Clone + 'static,
    O: Debug + Display + AsRef<dyn Op> + AsMut<dyn Op> + Clone + 'static + Hash,
{
    let mut done = bit_set::BitSet::with_capacity(nodes.len());
    let mut order: Vec<usize> = vec![];
    for &target in targets {
        if done.contains(target) {
            continue;
        }
        let mut current_stack: Vec<(usize, usize)> = vec![(target, 0)];
        let mut pending = bit_set::BitSet::with_capacity(nodes.len());
        while let Some((current_node, current_input)) = current_stack.pop() {
            let deps_from_inputs = nodes[current_node].inputs.len();
            let all_deps_count =
                deps_from_inputs + more_dependencies.iter().filter(|a| a.0 == current_node).count();
            if inputs.contains(&current_node) || current_input == all_deps_count {
                order.push(current_node);
                done.insert(current_node);
                pending.remove(current_node);
            } else {
                let precursor = if current_input < deps_from_inputs {
                    nodes[current_node].inputs[current_input].node
                } else {
                    more_dependencies
                        .iter()
                        .filter(|a| a.0 == current_node)
                        .nth(current_input - deps_from_inputs)
                        .unwrap()
                        .1
                };
                if done.contains(precursor) {
                    current_stack.push((current_node, current_input + 1));
                } else if pending.contains(precursor) {
                    if log_enabled!(log::Level::Debug) {
                        debug!("Loop detected:");
                        current_stack
                            .iter()
                            .skip_while(|s| s.0 != precursor)
                            .for_each(|n| debug!("  {}", nodes[n.0]));
                    }
                    bail!("Loop detected")
                } else {
                    pending.insert(precursor);
                    current_stack.push((current_node, current_input));
                    current_stack.push((precursor, 0));
                }
            }
        }
    }
    Ok(order)
}
pub fn eval_order_for_nodes < F , O > ( nodes : & [ Node < F , O > ] , inputs : & [ usize ] , targets : & [ usize ] , more_dependencies : & [ ( usize , usize ) ] , ) -> TractResult < Vec < usize > > where F : Fact + Hash + Clone + ' static , O : Debug + Display + AsRef < dyn Op > + AsMut < dyn Op > + Clone + ' static + Hash , { let mut done = bit_set :: BitSet :: with_capacity ( nodes . len ( ) ) ; let mut order : Vec < usize > = vec ! [ ] ; for & target in targets { if done . contains ( target ) { continue ; } let mut current_stack : Vec < ( usize , usize ) > = vec ! [ ( target 0 ) ] ; let mut pending = bit_set :: BitSet :: with_capacity ( nodes . len ( ) ) ; while let Some ( ( current_node , current_input ) ) = current_stack . pop ( ) { let deps_from_inputs = nodes [ current_node ] . inputs . len ( ) ; let all_deps_count = deps_from_inputs + more_dependencies . iter ( ) . filter ( | a | a . 0 == current_node ) . count ( ) ; if inputs . contains ( & current_node ) || current_input == all_deps_count { order . push ( current_node ) ; done . insert ( current_node ) ; pending . remove ( current_node ) ; } else { let precursor = if current_input < deps_from_inputs { nodes [ current_node ] . inputs [ current_input ] . node } else { more_dependencies . iter ( ) . filter ( | a | a . 0 == current_node ) . nth ( current_input - deps_from_inputs ) . unwrap ( ) . 1 } ; if done . contains ( precursor ) { current_stack . push ( ( current_node , current_input + 1 ) ) ; } else if pending . contains ( precursor ) { if log_enabled ! ( log Level Debug ) { debug ! ( " " ) ; current_stack . iter ( ) . skip_while ( | s | s . 0 != precursor ) . for_each ( | n | debug ! ( " " nodes [ n 0 ] ) ) ; } bail ! ( " " ) } else { pending . insert ( precursor ) ; current_stack . push ( ( current_node , current_input ) ) ; current_stack . push ( ( precursor , 0 ) ) ; } } } } Ok ( order ) }
Find a working evaluation order for a list of nodes.
Find a working evaluation order for a list of nodes .
nodes
&[Node<F, O>]
inputs
&[usize]
targets
&[usize]
more_dependencies
&[(usize, usize)]
nodes
&[Node<F, O>]
inputs
&[usize]
targets
&[usize]
more_dependencies
&[(usize, usize)]