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[CCCL] 瘦身 + 补全: 移除 cudax/python/libcudacxx-tests 冗余文件, 新增 c2h 测试助手 + cmake 构建系统 + 8 个 CUDA thrust examples

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变更摘要:
- 删除: cudax/ (783 files, 7.2M) — 实验性组件，竞赛不需要
- 删除: python/ (226 files, 2.0M) — Python 绑定，竞赛不需要
- 删除: libcudacxx/{test,benchmarks,codegen,cmake,share} (4432 files, 31M)
  保留: libcudacxx/include/ (1463 headers, cuda::std 编译依赖)
- 新增: c2h/ (27 files) — CUB Catch2 测试辅助头文件，编译 243 个测试必需
- 新增: cmake/ (29 files) — CCCL 原生 CMake 构建系统
- 新增: thrust/examples/cuda/ (7 files) + cpp_integration/ (1 file)
  async_reduce, custom_temporary_allocation, explicit_cuda_stream,
  global_device_vector, range_view, unwrap_pointer, wrap_pointer, device

结果: cccl_upstream 从 74M→35M (瘦身 53%), 核心内容 100% 保留:
  27/27 tuning headers, 78 benchmarks, 243 tests,
  60 thrust examples, 18 CUB examples, 全部编译头文件
This commit is contained in:
muh-bot
2026-08-03 12:39:26 +00:00
parent a2a5dd8f00
commit 24ef6a91b5
5439 changed files with 0 additions and 719516 deletions
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119
cccl_upstream/cudax/include/cuda/experimental/__detail/type_traits.cuh
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@@ -1,119 +0,0 @@
//===----------------------------------------------------------------------===//
//
// Part of CUDA Experimental in CUDA C++ Core Libraries,
// 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) 2025 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#ifndef __CUDAX_DETAIL_TYPE_TRAITS_CUH
#define __CUDAX_DETAIL_TYPE_TRAITS_CUH
#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/__cccl/unreachable.h>
#include <cuda/std/__concepts/concept_macros.h>
#include <cuda/std/__type_traits/decay.h>
#include <cuda/std/__type_traits/enable_if.h>
#include <cuda/std/__type_traits/integral_constant.h>
#include <cuda/std/__type_traits/is_callable.h>
#include <cuda/std/__type_traits/is_constructible.h>
#include <cuda/std/__type_traits/is_copy_constructible.h>
#include <cuda/std/__type_traits/is_move_constructible.h>
#include <cuda/std/__type_traits/is_nothrow_constructible.h>
#include <cuda/std/__type_traits/is_nothrow_copy_constructible.h>
#include <cuda/std/__type_traits/is_nothrow_move_constructible.h>
#include <cuda/std/__type_traits/is_same.h>
#include <cuda/std/__type_traits/is_valid_expansion.h>
#include <cuda/std/__utility/declval.h>
#include <cuda/std/__cccl/prologue.h>
namespace cuda::experimental
{
using ::cuda::std::__declfn_t;
using ::cuda::std::decay_t;
template <class _Ty, bool _Nothrow = true>
[[noreturn]] _CCCL_HOST_DEVICE_API auto __declfn() noexcept(_Nothrow) -> _Ty
{
_CCCL_ASSERT(false, "__declfn should never be called at runtime.");
_CCCL_UNREACHABLE();
}
template <class _Ty, class _Uy>
_CCCL_CONCEPT __same_as = ::cuda::std::_IsSame<_Ty, _Uy>::value;
template <class _Ty, class _Uy>
_CCCL_CONCEPT __not_same_as = !::cuda::std::_IsSame<_Ty, _Uy>::value;
template <class _Ty, class... _Us>
_CCCL_CONCEPT __one_of = (__same_as<_Ty, _Us> || ...);
template <class _Ty, class... _Us>
_CCCL_CONCEPT __none_of = (__not_same_as<_Ty, _Us> && ...);
#if _CCCL_HAS_CONCEPTS()
template <template <class...> class _Fn, class... _Ts>
_CCCL_CONCEPT __is_instantiable_with = requires { typename _Fn<_Ts...>; };
template <class _Fn, class... _As>
_CCCL_CONCEPT __callable = requires(__declfn_t<_Fn> __fn, __declfn_t<_As>... __as) { __fn()(__as()...); };
#else // ^^^ _CCCL_HAS_CONCEPTS() ^^^ / vvv !_CCCL_HAS_CONCEPTS() vvv
template <template <class...> class _Fn, class... _Ts>
_CCCL_CONCEPT __is_instantiable_with = ::cuda::std::_IsValidExpansion<_Fn, _Ts...>::value;
template <class _Fn, class... _As>
_CCCL_CONCEPT __callable = ::cuda::std::__is_callable_v<_Fn, _As...>;
#endif // !_CCCL_HAS_CONCEPTS()
template <class _Fn, class... _As>
_CCCL_CONCEPT __constructible = ::cuda::std::is_constructible_v<_Fn, _As...>;
template <class... _As>
_CCCL_CONCEPT __decay_copyable = (::cuda::std::is_constructible_v<decay_t<_As>, _As> && ...);
template <class... _As>
_CCCL_CONCEPT __movable = (::cuda::std::is_move_constructible_v<_As> && ...);
template <class... _As>
_CCCL_CONCEPT __copyable = (::cuda::std::is_copy_constructible_v<_As> && ...);
template <class _Fn, class... _As>
_CCCL_CONCEPT __nothrow_callable = ::cuda::std::__is_nothrow_callable_v<_Fn, _As...>;
template <class _Ty, class... _As>
_CCCL_CONCEPT __nothrow_constructible = ::cuda::std::is_nothrow_constructible_v<_Ty, _As...>;
template <class... _As>
_CCCL_CONCEPT __nothrow_decay_copyable = (::cuda::std::is_nothrow_constructible_v<decay_t<_As>, _As> && ...);
template <class... _As>
_CCCL_CONCEPT __nothrow_movable = (::cuda::std::is_nothrow_move_constructible_v<_As> && ...);
template <class... _As>
_CCCL_CONCEPT __nothrow_copyable = (::cuda::std::is_nothrow_copy_constructible_v<_As> && ...);
template <class... _As>
using __nothrow_decay_copyable_t _CCCL_NODEBUG_ALIAS = ::cuda::std::bool_constant<__nothrow_decay_copyable<_As...>>;
using ::cuda::std::__call_result_t;
} // namespace cuda::experimental
#include <cuda/std/__cccl/epilogue.h>
#endif // __CUDAX_DETAIL_TYPE_TRAITS_CUH

54
cccl_upstream/cudax/include/cuda/experimental/__detail/utility.cuh
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//===----------------------------------------------------------------------===//
//
// Part of CUDA Experimental in CUDA C++ Core Libraries,
// 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) 2025 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#ifndef __CUDAX_DETAIL_UTILITY_H
#define __CUDAX_DETAIL_UTILITY_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/__type_traits/is_callable.h>
#include <cuda/std/__type_traits/type_list.h>
#include <cuda/std/__utility/declval.h>
#include <cuda/std/__utility/move.h>
#include <cuda/experimental/__detail/type_traits.cuh>
#include <cuda/std/__cccl/prologue.h>
namespace cuda::experimental
{
// NOLINTBEGIN(misc-unused-using-decls)
using ::cuda::std::declval;
// NOLINTEND(misc-unused-using-decls)
struct _CCCL_TYPE_VISIBILITY_DEFAULT no_init_t
{
_CCCL_HIDE_FROM_ABI explicit no_init_t() = default;
};
_CCCL_GLOBAL_CONSTANT no_init_t no_init{};
using uninit_t CCCL_DEPRECATED_BECAUSE("Use cuda::experimental::no_init_t instead") = no_init_t;
// TODO: CCCL_DEPRECATED_BECAUSE("Use cuda::experimental::no_init instead")
_CCCL_GLOBAL_CONSTANT no_init_t uninit{};
} // namespace cuda::experimental
#include <cuda/std/__cccl/epilogue.h>
#endif // __CUDAX_DETAIL_UTILITY_H