hashing.hpp File Reference

#include <cudf/table/table.hpp>
#include <cudf/table/table_view.hpp>
#include <rmm/mr/device/per_device_resource.hpp>

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Namespaces
	cudf
	cuDF interfaces
	cudf::hashing
	Hash APIs.

Typedefs
using	cudf::hash_value_type = uint32_t
	Type of hash value.

Enumerations
enum class	cudf::hash_id { cudf::HASH_IDENTITY = 0 , cudf::HASH_MURMUR3 , cudf::HASH_SPARK_MURMUR3 , cudf::HASH_MD5 }
	Identifies the hash function to be used. More...

Functions
std::unique_ptr< column >	cudf::hash (table_view const &input, hash_id hash_function=hash_id::HASH_MURMUR3, uint32_t seed=DEFAULT_HASH_SEED, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Computes the hash value of each row in the input set of columns. More...
std::unique_ptr< column >	cudf::hashing::murmurhash3_x86_32 (table_view const &input, uint32_t seed=DEFAULT_HASH_SEED, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Computes the MurmurHash3 32-bit hash value of each row in the given table. More...
std::unique_ptr< table >	cudf::hashing::murmurhash3_x64_128 (table_view const &input, uint64_t seed=DEFAULT_HASH_SEED, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Computes the MurmurHash3 64-bit hash value of each row in the given table. More...
std::unique_ptr< column >	cudf::hashing::spark_murmurhash3_x86_32 (table_view const &input, uint32_t seed=DEFAULT_HASH_SEED, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Computes the MurmurHash3 32-bit hash value of each row in the given table. More...
std::unique_ptr< column >	cudf::hashing::md5 (table_view const &input, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Computes the MD5 hash value of each row in the given table. More...
std::unique_ptr< column >	cudf::hashing::xxhash_64 (table_view const &input, uint64_t seed=DEFAULT_HASH_SEED, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::mr::device_memory_resource *mr=rmm::mr::get_current_device_resource())
	Computes the XXHash_64 hash value of each row in the given table. More...