Files
project_6/cccl_upstream/libcudacxx/include/cuda/__fwd/hierarchy.h
EngineX CI 56fd68e7dd [INFRA] Import NVIDIA/CCCL upstream as optimization reference library
CCCL (CUDA C++ Core Libraries) provides:
- CUB: device/block/warp-level GPU primitives (reduce, scan, sort, topk)
- Thrust: high-level parallel algorithms (transform_reduce, sort, scan)
- libcudacxx: CUDA C++ standard library (atomics, barriers, memory)
- cudax: experimental features (memory resources, allocators)
- Tuning policies: per-SM hardware-specific algorithm parameters

Competition optimization vectors mapped to CCCL:
- Output TPS (83% weight): warp_reduce, block_reduce, device_topk
- Input TPS (14% weight): device_scan, block_load, prefetch
- Cache TPS (3% weight): prefix caching strategy patterns
- Memory (0.9 util): pooled/cached/buddy allocators

Source: https://github.com/NVIDIA/cccl (shallow clone, HEAD only)
License: Apache-2.0
2026-07-30 09:35:51 +00:00

104 lines
2.7 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of libcu++, the C++ Standard Library for your entire system,
// under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#ifndef _CUDA___FWD_HIERARCHY_H
#define _CUDA___FWD_HIERARCHY_H
#include <cuda/std/detail/__config>
#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 <cuda/std/__cstddef/types.h>
#include <cuda/std/__type_traits/is_base_of.h>
#include <cuda/std/__cccl/prologue.h>
_CCCL_BEGIN_NAMESPACE_CUDA
using dimensions_index_type = unsigned;
// hierarchy level
template <class _Level>
struct hierarchy_level_base;
template <class _Level>
struct __native_hierarchy_level_base;
struct grid_level;
struct cluster_level;
struct block_level;
struct warp_level;
struct thread_level;
template <class _Tp>
inline constexpr bool __is_hierarchy_level_v = ::cuda::std::is_base_of_v<hierarchy_level_base<_Tp>, _Tp>;
template <class _Tp>
inline constexpr bool __is_native_hierarchy_level_v =
::cuda::std::is_base_of_v<__native_hierarchy_level_base<_Tp>, _Tp>;
// hierarchy
template <class _BottomUnit, class... _Levels>
class hierarchy;
template <class _Tp>
inline constexpr bool __is_hierarchy_v = false;
template <class _BottomUnit, class... _Levels>
inline constexpr bool __is_hierarchy_v<hierarchy<_BottomUnit, _Levels...>> = true;
template <typename... _Levels>
struct __allowed_levels;
struct __hierarchy_level_desc_base
{};
template <class _Level, class _Exts>
class hierarchy_level_desc;
template <class _Tp>
inline constexpr bool __is_hierarchy_level_desc_v = ::cuda::std::is_base_of_v<__hierarchy_level_desc_base, _Tp>;
template <class _Unit, class _Level>
struct __extents_query_native;
template <class _Unit, class _Level>
struct __extents_query;
template <class _Unit, class _Level>
struct __count_query_native;
template <class _Unit, class _Level>
struct __count_query;
template <class _Unit, class _Level>
struct __index_query_native;
template <class _Unit, class _Level>
struct __index_query;
template <class _Unit, class _Level>
struct __rank_query_native;
template <class _Unit, class _Level>
struct __rank_query;
_CCCL_END_NAMESPACE_CUDA
#include <cuda/std/__cccl/epilogue.h>
#endif // _CUDA___FWD_HIERARCHY_H