cub::HistogramPolicy

struct HistogramPolicy

The tuning policy for all algorithms in DeviceHistogram.

Public Functions

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

::std::ostream &os,

const HistogramPolicy &p

)

Public Members

int threads_per_block

Number of threads in a CUDA block.

int pixels_per_thread

Number of pixels processed per thread.

int vec_size

Vectorization size for loading samples.

BlockLoadAlgorithm load_algorithm

The BlockLoadAlgorithm used for loading samples from global memory.

CacheLoadModifier load_modifier

The CacheLoadModifier used for loading samples from global memory.

bool rle_compress

Whether to perform localized RLE to compress samples before histogramming.

BlockHistogramMemoryPreference mem_preference

Whether to prefer privatized shared-memory or global-memory bins, or a mix of both.

bool use_work_stealing

Whether to dequeue tiles from a global work queue.

int init_kernel_pdl_trigger_max_bins

Maximum number of bins for the init kernel to trigger the histogram kernel early using PDL.

Friends

inline friend constexpr bool operator==(

const HistogramPolicy &lhs,

const HistogramPolicy &rhs

) noexcept

inline friend constexpr bool operator!=(

const HistogramPolicy &lhs,

const HistogramPolicy &rhs

) noexcept