pub struct ArrayKernels { /* private fields */ }Expand description
Session-scoped registry of optimizer kernel functions.
Implementations§
Source§impl ArrayKernels
impl ArrayKernels
Sourcepub fn empty() -> Self
pub fn empty() -> Self
Create an empty ArrayKernels with no kernels registered.
Sourcepub fn register_reduce_parent<I: IntoIterator<Item = ReduceParentFn>>(
&self,
parent: Id,
child: Id,
fns: I,
)
pub fn register_reduce_parent<I: IntoIterator<Item = ReduceParentFn>>( &self, parent: Id, child: Id, fns: I, )
Register a ReduceParentFn for (outer, child).
The optimizer will invoke f when it sees a parent with encoding id outer holding a
child with encoding id child during a reduce_parent step, before trying the child
encoding’s static PARENT_RULES. outer is usually the parent array’s encoding id. For
ScalarFnArray, it is the scalar function id, for example Cast.id().
Replaces any function already registered for the same pair.
Sourcepub fn find_reduce_parent(
&self,
parent: Id,
child: Id,
) -> Option<Arc<[ReduceParentFn]>>
pub fn find_reduce_parent( &self, parent: Id, child: Id, ) -> Option<Arc<[ReduceParentFn]>>
Look up the ReduceParentFn registered for (outer, child).
Returns an owned Arc so the session-variable borrow can be dropped before invoking the
function.
Trait Implementations§
Source§impl Debug for ArrayKernels
impl Debug for ArrayKernels
Source§impl Default for ArrayKernels
impl Default for ArrayKernels
Source§fn default() -> ArrayKernels
fn default() -> ArrayKernels
Source§impl SessionVar for ArrayKernels
impl SessionVar for ArrayKernels
Auto Trait Implementations§
impl !Freeze for ArrayKernels
impl RefUnwindSafe for ArrayKernels
impl Send for ArrayKernels
impl Sync for ArrayKernels
impl Unpin for ArrayKernels
impl UnsafeUnpin for ArrayKernels
impl UnwindSafe for ArrayKernels
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