Public Member Functions
DEVICE	KeyAccessor (const int8_t *key_buff, const size_t key_stride, const size_t key_idx)

ALWAYS_INLINE DEVICE KeyT	get (const IndexT rowid) const

Public Attributes
const int8_t *	buffer

const size_t	stride

const size_t	index

Detailed Description

template<typename KeyT = int64_t, typename IndexT = int32_t>
struct KeyAccessor< KeyT, IndexT >

Definition at line 30 of file TopKRuntime.cpp.

Constructor & Destructor Documentation

template<typename KeyT = int64_t, typename IndexT = int32_t>

DEVICE KeyAccessor< KeyT, IndexT >::KeyAccessor	(	const int8_t *	key_buff,
		const size_t	key_stride,
		const size_t	key_idx
	)

inline

Definition at line 31 of file TopKRuntime.cpp.

34 : buffer(key_buff), stride(key_stride), index(key_idx) {}

KeyAccessor::index

const size_t index

Definition: TopKRuntime.cpp:42

KeyAccessor::stride

const size_t stride

Definition: TopKRuntime.cpp:41

KeyAccessor::buffer

const int8_t * buffer

Definition: TopKRuntime.cpp:40

Member Function Documentation

template<typename KeyT = int64_t, typename IndexT = int32_t>

ALWAYS_INLINE DEVICE KeyT KeyAccessor< KeyT, IndexT >::get ( const IndexT rowid ) const

inline

Definition at line 35 of file TopKRuntime.cpp.

References KeyAccessor< KeyT, IndexT >::buffer, KeyAccessor< KeyT, IndexT >::index, and KeyAccessor< KeyT, IndexT >::stride.

Referenced by sift_down(), and sift_up().

                                                           {
     auto keys_ptr = reinterpret_cast<const KeyT*>(buffer + stride * rowid);
     return keys_ptr[index];
   }