cub::ReducePassPolicy

struct ReducePassPolicy

The tuning policy for a single pass (multi-tile or single-tile) of all reduction algorithms in DeviceReduce.

Public Functions

inline friend ::std::ostream &operator<<(

::std::ostream &os,

const ReducePassPolicy &p

)

Public Members

int threads_per_block

Number of threads in a CUDA block.

int items_per_thread

Number of items processed per thread.

int vec_size

Number of items per vectorized load.

BlockReduceAlgorithm reduce_algorithm

The BlockReduceAlgorithm to use.

CacheLoadModifier load_modifier

The CacheLoadModifier used for loading items from global memory.

Friends

inline friend constexpr bool operator==(

const ReducePassPolicy &lhs,

const ReducePassPolicy &rhs

) noexcept

inline friend constexpr bool operator!=(

const ReducePassPolicy &lhs,

const ReducePassPolicy &rhs

) noexcept