cub::ReduceByKeyLookbackPolicy

struct ReduceByKeyLookbackPolicy

The lookback tuning policy for DeviceReduce::ReduceByKey

Public Functions

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

::std::ostream &os,

const ReduceByKeyLookbackPolicy &p

)

Public Members

int threads_per_block

Number of threads in a CUDA block.

int items_per_thread

Number of items processed per thread.

BlockLoadAlgorithm load_algorithm

The BlockLoadAlgorithm used for loading items from global memory.

CacheLoadModifier load_modifier

The CacheLoadModifier used for loading items from global memory.

BlockScanAlgorithm scan_algorithm

The BlockScanAlgorithm used for the prefix scan.

LookbackDelayPolicy lookback_delay

The LookbackDelayPolicy used for the lookback delay.

Friends

inline friend constexpr bool operator==(

const ReduceByKeyLookbackPolicy &lhs,

const ReduceByKeyLookbackPolicy &rhs

) noexcept

inline friend constexpr bool operator!=(

const ReduceByKeyLookbackPolicy &lhs,

const ReduceByKeyLookbackPolicy &rhs

) noexcept