/home/runner/work/cccl/cccl/cub/cub/device/device_select.cuh
File members: /home/runner/work/cccl/cccl/cub/cub/device/device_select.cuh
/******************************************************************************
* Copyright (c) 2011, Duane Merrill. All rights reserved.
* Copyright (c) 2011-2022, NVIDIA CORPORATION. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
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* notice, this list of conditions and the following disclaimer in the
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* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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******************************************************************************/
#pragma once
#include <cub/config.cuh>
#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
# pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
# pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
# pragma system_header
#endif // no system header
#include <cub/detail/choose_offset.cuh>
#include <cub/detail/nvtx.cuh>
#include <cub/device/dispatch/dispatch_select_if.cuh>
#include <cub/device/dispatch/dispatch_unique_by_key.cuh>
#include <cub/util_deprecated.cuh>
#include <cuda/std/type_traits>
#include <iterator>
#include <stdio.h>
CUB_NAMESPACE_BEGIN
struct DeviceSelect
{
template <typename InputIteratorT, typename FlagIterator, typename OutputIteratorT, typename NumSelectedIteratorT>
CUB_RUNTIME_FUNCTION _CCCL_FORCEINLINE static cudaError_t Flagged(
void* d_temp_storage,
size_t& temp_storage_bytes,
InputIteratorT d_in,
FlagIterator d_flags,
OutputIteratorT d_out,
NumSelectedIteratorT d_num_selected_out,
int num_items,
cudaStream_t stream = 0)
{
CUB_DETAIL_NVTX_RANGE_SCOPE_IF(d_temp_storage, "cub::DeviceSelect::Flagged");
using OffsetT = int; // Signed integer type for global offsets
using SelectOp = NullType; // Selection op (not used)
using EqualityOp = NullType; // Equality operator (not used)
return DispatchSelectIf<
InputIteratorT,
FlagIterator,
OutputIteratorT,
NumSelectedIteratorT,
SelectOp,
EqualityOp,
OffsetT,
false>::Dispatch(d_temp_storage,
temp_storage_bytes,
d_in,
d_flags,
d_out,
d_num_selected_out,
SelectOp(),
EqualityOp(),
num_items,
stream);
}
template <typename InputIteratorT, typename FlagIterator, typename OutputIteratorT, typename NumSelectedIteratorT>
CUB_DETAIL_RUNTIME_DEBUG_SYNC_IS_NOT_SUPPORTED CUB_RUNTIME_FUNCTION _CCCL_FORCEINLINE static cudaError_t Flagged(
void* d_temp_storage,
size_t& temp_storage_bytes,
InputIteratorT d_in,
FlagIterator d_flags,
OutputIteratorT d_out,
NumSelectedIteratorT d_num_selected_out,
int num_items,
cudaStream_t stream,
bool debug_synchronous)
{
CUB_DETAIL_RUNTIME_DEBUG_SYNC_USAGE_LOG
return Flagged<InputIteratorT, FlagIterator, OutputIteratorT, NumSelectedIteratorT>(
d_temp_storage, temp_storage_bytes, d_in, d_flags, d_out, d_num_selected_out, num_items, stream);
}
template <typename IteratorT, typename FlagIterator, typename NumSelectedIteratorT>
CUB_RUNTIME_FUNCTION _CCCL_FORCEINLINE static cudaError_t Flagged(
void* d_temp_storage,
size_t& temp_storage_bytes,
IteratorT d_data,
FlagIterator d_flags,
NumSelectedIteratorT d_num_selected_out,
int num_items,
cudaStream_t stream = 0)
{
CUB_DETAIL_NVTX_RANGE_SCOPE_IF(d_temp_storage, "cub::DeviceSelect::Flagged");
using OffsetT = int; // Signed integer type for global offsets
using SelectOp = NullType; // Selection op (not used)
using EqualityOp = NullType; // Equality operator (not used)
constexpr bool may_alias = true;
return DispatchSelectIf<
IteratorT,
FlagIterator,
IteratorT,
NumSelectedIteratorT,
SelectOp,
EqualityOp,
OffsetT,
false,
may_alias>::Dispatch(d_temp_storage,
temp_storage_bytes,
d_data, // in
d_flags,
d_data, // out
d_num_selected_out,
SelectOp(),
EqualityOp(),
num_items,
stream);
}
template <typename IteratorT, typename FlagIterator, typename NumSelectedIteratorT>
CUB_DETAIL_RUNTIME_DEBUG_SYNC_IS_NOT_SUPPORTED CUB_RUNTIME_FUNCTION _CCCL_FORCEINLINE static cudaError_t Flagged(
void* d_temp_storage,
size_t& temp_storage_bytes,
IteratorT d_data,
FlagIterator d_flags,
NumSelectedIteratorT d_num_selected_out,
int num_items,
cudaStream_t stream,
bool debug_synchronous)
{
CUB_DETAIL_RUNTIME_DEBUG_SYNC_USAGE_LOG
return Flagged<IteratorT, FlagIterator, NumSelectedIteratorT>(
d_temp_storage, temp_storage_bytes, d_data, d_flags, d_num_selected_out, num_items, stream);
}
template <typename InputIteratorT, typename OutputIteratorT, typename NumSelectedIteratorT, typename SelectOp>
CUB_RUNTIME_FUNCTION _CCCL_FORCEINLINE static cudaError_t
If(void* d_temp_storage,
size_t& temp_storage_bytes,
InputIteratorT d_in,
OutputIteratorT d_out,
NumSelectedIteratorT d_num_selected_out,
int num_items,
SelectOp select_op,
cudaStream_t stream = 0)
{
CUB_DETAIL_NVTX_RANGE_SCOPE_IF(d_temp_storage, "cub::DeviceSelect::If");
using OffsetT = int; // Signed integer type for global offsets
using FlagIterator = NullType*; // FlagT iterator type (not used)
using EqualityOp = NullType; // Equality operator (not used)
return DispatchSelectIf<
InputIteratorT,
FlagIterator,
OutputIteratorT,
NumSelectedIteratorT,
SelectOp,
EqualityOp,
OffsetT,
false>::Dispatch(d_temp_storage,
temp_storage_bytes,
d_in,
nullptr,
d_out,
d_num_selected_out,
select_op,
EqualityOp(),
num_items,
stream);
}
template <typename InputIteratorT, typename OutputIteratorT, typename NumSelectedIteratorT, typename SelectOp>
CUB_DETAIL_RUNTIME_DEBUG_SYNC_IS_NOT_SUPPORTED CUB_RUNTIME_FUNCTION _CCCL_FORCEINLINE static cudaError_t
If(void* d_temp_storage,
size_t& temp_storage_bytes,
InputIteratorT d_in,
OutputIteratorT d_out,
NumSelectedIteratorT d_num_selected_out,
int num_items,
SelectOp select_op,
cudaStream_t stream,
bool debug_synchronous)
{
CUB_DETAIL_RUNTIME_DEBUG_SYNC_USAGE_LOG
return If<InputIteratorT, OutputIteratorT, NumSelectedIteratorT, SelectOp>(
d_temp_storage, temp_storage_bytes, d_in, d_out, d_num_selected_out, num_items, select_op, stream);
}
template <typename IteratorT, typename NumSelectedIteratorT, typename SelectOp>
CUB_RUNTIME_FUNCTION _CCCL_FORCEINLINE static cudaError_t
If(void* d_temp_storage,
size_t& temp_storage_bytes,
IteratorT d_data,
NumSelectedIteratorT d_num_selected_out,
int num_items,
SelectOp select_op,
cudaStream_t stream = 0)
{
CUB_DETAIL_NVTX_RANGE_SCOPE_IF(d_temp_storage, "cub::DeviceSelect::If");
using OffsetT = int; // Signed integer type for global offsets
using FlagIterator = NullType*; // FlagT iterator type (not used)
using EqualityOp = NullType; // Equality operator (not used)
constexpr bool may_alias = true;
return DispatchSelectIf<
IteratorT,
FlagIterator,
IteratorT,
NumSelectedIteratorT,
SelectOp,
EqualityOp,
OffsetT,
false,
may_alias>::Dispatch(d_temp_storage,
temp_storage_bytes,
d_data, // in
nullptr,
d_data, // out
d_num_selected_out,
select_op,
EqualityOp(),
num_items,
stream);
}
template <typename IteratorT, typename NumSelectedIteratorT, typename SelectOp>
CUB_DETAIL_RUNTIME_DEBUG_SYNC_IS_NOT_SUPPORTED CUB_RUNTIME_FUNCTION _CCCL_FORCEINLINE static cudaError_t
If(void* d_temp_storage,
size_t& temp_storage_bytes,
IteratorT d_data,
NumSelectedIteratorT d_num_selected_out,
int num_items,
SelectOp select_op,
cudaStream_t stream,
bool debug_synchronous)
{
CUB_DETAIL_RUNTIME_DEBUG_SYNC_USAGE_LOG
return If<IteratorT, NumSelectedIteratorT, SelectOp>(
d_temp_storage, temp_storage_bytes, d_data, d_num_selected_out, num_items, select_op, stream);
}
template <typename InputIteratorT,
typename FlagIterator,
typename OutputIteratorT,
typename NumSelectedIteratorT,
typename SelectOp>
CUB_RUNTIME_FUNCTION _CCCL_FORCEINLINE static cudaError_t FlaggedIf(
void* d_temp_storage,
size_t& temp_storage_bytes,
InputIteratorT d_in,
FlagIterator d_flags,
OutputIteratorT d_out,
NumSelectedIteratorT d_num_selected_out,
int num_items,
SelectOp select_op,
cudaStream_t stream = 0)
{
CUB_DETAIL_NVTX_RANGE_SCOPE_IF(d_temp_storage, "cub::DeviceSelect::FlaggedIf");
using OffsetT = int; // Signed integer type for global offsets
using EqualityOp = NullType; // Equality operator (not used)
return DispatchSelectIf<
InputIteratorT,
FlagIterator,
OutputIteratorT,
NumSelectedIteratorT,
SelectOp,
EqualityOp,
OffsetT,
false>::Dispatch(d_temp_storage,
temp_storage_bytes,
d_in,
d_flags,
d_out,
d_num_selected_out,
select_op,
EqualityOp(),
num_items,
stream);
}
template <typename IteratorT, typename FlagIterator, typename NumSelectedIteratorT, typename SelectOp>
CUB_RUNTIME_FUNCTION _CCCL_FORCEINLINE static cudaError_t FlaggedIf(
void* d_temp_storage,
size_t& temp_storage_bytes,
IteratorT d_data,
FlagIterator d_flags,
NumSelectedIteratorT d_num_selected_out,
int num_items,
SelectOp select_op,
cudaStream_t stream = 0)
{
CUB_DETAIL_NVTX_RANGE_SCOPE_IF(d_temp_storage, "cub::DeviceSelect::FlaggedIf");
using OffsetT = int; // Signed integer type for global offsets
using EqualityOp = NullType; // Equality operator (not used)
constexpr bool may_alias = true;
return DispatchSelectIf<
IteratorT,
FlagIterator,
IteratorT,
NumSelectedIteratorT,
SelectOp,
EqualityOp,
OffsetT,
false,
may_alias>::Dispatch(d_temp_storage,
temp_storage_bytes,
d_data, // in
d_flags,
d_data, // out
d_num_selected_out,
select_op,
EqualityOp(),
num_items,
stream);
}
template <typename InputIteratorT, typename OutputIteratorT, typename NumSelectedIteratorT>
CUB_RUNTIME_FUNCTION _CCCL_FORCEINLINE static cudaError_t Unique(
void* d_temp_storage,
size_t& temp_storage_bytes,
InputIteratorT d_in,
OutputIteratorT d_out,
NumSelectedIteratorT d_num_selected_out,
int num_items,
cudaStream_t stream = 0)
{
CUB_DETAIL_NVTX_RANGE_SCOPE_IF(d_temp_storage, "cub::DeviceSelect::Unique");
using OffsetT = int; // Signed integer type for global offsets
using FlagIterator = NullType*; // FlagT iterator type (not used)
using SelectOp = NullType; // Selection op (not used)
using EqualityOp = Equality; // Default == operator
return DispatchSelectIf<
InputIteratorT,
FlagIterator,
OutputIteratorT,
NumSelectedIteratorT,
SelectOp,
EqualityOp,
OffsetT,
false>::Dispatch(d_temp_storage,
temp_storage_bytes,
d_in,
nullptr,
d_out,
d_num_selected_out,
SelectOp(),
EqualityOp(),
num_items,
stream);
}
template <typename InputIteratorT, typename OutputIteratorT, typename NumSelectedIteratorT>
CUB_DETAIL_RUNTIME_DEBUG_SYNC_IS_NOT_SUPPORTED CUB_RUNTIME_FUNCTION _CCCL_FORCEINLINE static cudaError_t Unique(
void* d_temp_storage,
size_t& temp_storage_bytes,
InputIteratorT d_in,
OutputIteratorT d_out,
NumSelectedIteratorT d_num_selected_out,
int num_items,
cudaStream_t stream,
bool debug_synchronous)
{
CUB_DETAIL_RUNTIME_DEBUG_SYNC_USAGE_LOG
return Unique<InputIteratorT, OutputIteratorT, NumSelectedIteratorT>(
d_temp_storage, temp_storage_bytes, d_in, d_out, d_num_selected_out, num_items, stream);
}
template <typename KeyInputIteratorT,
typename ValueInputIteratorT,
typename KeyOutputIteratorT,
typename ValueOutputIteratorT,
typename NumSelectedIteratorT,
typename NumItemsT,
typename EqualityOpT>
CUB_RUNTIME_FUNCTION __forceinline__ static //
typename ::cuda::std::enable_if< //
!::cuda::std::is_convertible<EqualityOpT, cudaStream_t>::value, //
cudaError_t>::type
UniqueByKey(
void* d_temp_storage,
size_t& temp_storage_bytes,
KeyInputIteratorT d_keys_in,
ValueInputIteratorT d_values_in,
KeyOutputIteratorT d_keys_out,
ValueOutputIteratorT d_values_out,
NumSelectedIteratorT d_num_selected_out,
NumItemsT num_items,
EqualityOpT equality_op,
cudaStream_t stream = 0)
{
CUB_DETAIL_NVTX_RANGE_SCOPE_IF(d_temp_storage, "cub::DeviceSelect::UniqueByKey");
using OffsetT = detail::choose_offset_t<NumItemsT>;
return DispatchUniqueByKey<
KeyInputIteratorT,
ValueInputIteratorT,
KeyOutputIteratorT,
ValueOutputIteratorT,
NumSelectedIteratorT,
EqualityOpT,
OffsetT>::Dispatch(d_temp_storage,
temp_storage_bytes,
d_keys_in,
d_values_in,
d_keys_out,
d_values_out,
d_num_selected_out,
equality_op,
static_cast<OffsetT>(num_items),
stream);
}
template <typename KeyInputIteratorT,
typename ValueInputIteratorT,
typename KeyOutputIteratorT,
typename ValueOutputIteratorT,
typename NumSelectedIteratorT,
typename NumItemsT>
CUB_RUNTIME_FUNCTION __forceinline__ static cudaError_t UniqueByKey(
void* d_temp_storage,
size_t& temp_storage_bytes,
KeyInputIteratorT d_keys_in,
ValueInputIteratorT d_values_in,
KeyOutputIteratorT d_keys_out,
ValueOutputIteratorT d_values_out,
NumSelectedIteratorT d_num_selected_out,
NumItemsT num_items,
cudaStream_t stream = 0)
{
return UniqueByKey(
d_temp_storage,
temp_storage_bytes,
d_keys_in,
d_values_in,
d_keys_out,
d_values_out,
d_num_selected_out,
num_items,
Equality{},
stream);
}
template <typename KeyInputIteratorT,
typename ValueInputIteratorT,
typename KeyOutputIteratorT,
typename ValueOutputIteratorT,
typename NumSelectedIteratorT,
typename NumItemsT>
CUB_DETAIL_RUNTIME_DEBUG_SYNC_IS_NOT_SUPPORTED CUB_RUNTIME_FUNCTION __forceinline__ static cudaError_t UniqueByKey(
void* d_temp_storage,
size_t& temp_storage_bytes,
KeyInputIteratorT d_keys_in,
ValueInputIteratorT d_values_in,
KeyOutputIteratorT d_keys_out,
ValueOutputIteratorT d_values_out,
NumSelectedIteratorT d_num_selected_out,
NumItemsT num_items,
cudaStream_t stream,
bool debug_synchronous)
{
CUB_DETAIL_RUNTIME_DEBUG_SYNC_USAGE_LOG
return UniqueByKey<KeyInputIteratorT,
ValueInputIteratorT,
KeyOutputIteratorT,
ValueOutputIteratorT,
NumSelectedIteratorT,
NumItemsT>(
d_temp_storage,
temp_storage_bytes,
d_keys_in,
d_values_in,
d_keys_out,
d_values_out,
d_num_selected_out,
num_items,
stream);
}
};
CUB_NAMESPACE_END