cub::ReduceByKeyPolicy

struct ReduceByKeyPolicy

The tuning policy for DeviceReduce::ReduceByKey

Public Functions

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

::std::ostream &os,

const ReduceByKeyPolicy &p

)

Public Members

ReduceByKeyAlgorithm algorithm

The reduce-by-key algorithm to use.

ReduceByKeyLookbackPolicy lookback

The policy for the reduce-by-key algorithm based on decoupled-lookback.

Only used when algorithm is decoupled look-back <>_.

Friends

inline friend constexpr bool operator==(

const ReduceByKeyPolicy &lhs,

const ReduceByKeyPolicy &rhs

) noexcept

inline friend constexpr bool operator!=(

const ReduceByKeyPolicy &lhs,

const ReduceByKeyPolicy &rhs

) noexcept