Struct Rearranging 

pub struct Rearranging(/* private fields */);

存储重排任务对象。

Implementations

impl Rearranging

pub fn new<const M: usize, const N: usize>( dst: &ArrayLayout<M>, src: &ArrayLayout<N>, unit: usize, ) -> Result<Self, SchemeError>

从输出布局、输入布局和单元规模构造重排方案。

单元规模 unit 是数组中单个元素的字节数。

pub fn distribute_unit( &self, candidates: impl IntoIterator<Item = usize>, ) -> Option<Self>

从候选值中选择一个能整除当前单元规模的值作为新的单元规模

pub fn ndim(&self) -> usize

执行方案维数。

pub fn unit(&self) -> usize

读写单元规模。

pub fn dst_offset(&self) -> isize

输出基址偏移。

pub fn src_offset(&self) -> isize

输入基址偏移。

pub fn count(&self) -> usize

读写单元数量。

pub fn idx_strides(&self) -> &[isize]

索引步长。

pub fn dst_strides(&self) -> &[isize]

输出数据步长。

pub fn src_strides(&self) -> &[isize]

输入数据步长。

pub fn shape(&self) -> impl Iterator<Item = usize> + '_

计算方案涉及的形状。

pub unsafe fn launch(&self, dst: *mut u8, src: *const u8)

执行存储重排。

Safety

dst and src must be valid pointers and must able to access with the scheme.

Trait Implementations

impl Clone for Rearranging

fn clone(&self) -> Rearranging

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Rearranging

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

Formats the value using the given formatter.