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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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98
cccl_upstream/cudax/test/cufile/open_mode.cu
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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.
//
//===----------------------------------------------------------------------===//
#include <cuda/std/type_traits>
#include <cuda/std/utility>
#include <cuda/experimental/cufile.cuh>
#include <testing.cuh>
C2H_CCCLRT_TEST("cuFile open mode", "[cufile][open_mode]")
{
// 1. Test cufile_open_flags properties
STATIC_REQUIRE(cuda::std::is_scoped_enum_v<cudax::cufile_open_mode>);
STATIC_REQUIRE(cuda::std::is_same_v<unsigned, cuda::std::underlying_type_t<cudax::cufile_open_mode>>);
// 2. Test cufile_oepn_flags values
STATIC_REQUIRE(cuda::std::to_underlying(cudax::cufile_open_mode::in) == 0x01u);
STATIC_REQUIRE(cuda::std::to_underlying(cudax::cufile_open_mode::out) == 0x02u);
STATIC_REQUIRE(cuda::std::to_underlying(cudax::cufile_open_mode::trunc) == 0x04u);
STATIC_REQUIRE(cuda::std::to_underlying(cudax::cufile_open_mode::noreplace) == 0x08u);
STATIC_REQUIRE(cuda::std::to_underlying(cudax::cufile_open_mode::direct) == 0x10u);
// 3. Test operator|(cufile_open_flags, cufile_open_flags)
{
constexpr auto lhs = cudax::cufile_open_mode::in;
constexpr auto rhs = cudax::cufile_open_mode::out;
STATIC_REQUIRE(cuda::std::is_same_v<cudax::cufile_open_mode, decltype(lhs | rhs)>);
STATIC_REQUIRE(noexcept(lhs | rhs));
STATIC_REQUIRE(cuda::std::to_underlying(lhs | rhs) == 0x3u);
STATIC_REQUIRE(cuda::std::to_underlying(lhs | lhs) == 0x1u);
}
// 3. Test operator=|(cufile_open_flags&, cufile_open_flags)
{
auto lhs = cudax::cufile_open_mode::in;
auto rhs = cudax::cufile_open_mode::out;
STATIC_REQUIRE(cuda::std::is_same_v<cudax::cufile_open_mode&, decltype(lhs |= rhs)>);
STATIC_REQUIRE(noexcept(lhs |= rhs));
REQUIRE(cuda::std::to_underlying(lhs |= cudax::cufile_open_mode::in) == 0x1u);
REQUIRE(cuda::std::to_underlying(lhs |= rhs) == 0x3u);
}
// 4. Test operator&(cufile_open_flags, cufile_open_flags)
{
constexpr auto lhs = cudax::cufile_open_mode::in;
constexpr auto rhs = cudax::cufile_open_mode::out;
STATIC_REQUIRE(cuda::std::is_same_v<cudax::cufile_open_mode, decltype(lhs & rhs)>);
STATIC_REQUIRE(noexcept(lhs & rhs));
STATIC_REQUIRE(cuda::std::to_underlying(lhs & lhs) == 0x1u);
STATIC_REQUIRE(cuda::std::to_underlying(lhs & rhs) == 0x0u);
}
// 5. Test operator=&(cufile_open_flags&, cufile_open_flags)
{
auto lhs = cudax::cufile_open_mode::in;
auto rhs = cudax::cufile_open_mode::out;
STATIC_REQUIRE(cuda::std::is_same_v<cudax::cufile_open_mode&, decltype(lhs &= rhs)>);
STATIC_REQUIRE(noexcept(lhs &= rhs));
REQUIRE(cuda::std::to_underlying(lhs &= cudax::cufile_open_mode::in) == 0x1u);
REQUIRE(cuda::std::to_underlying(lhs &= rhs) == 0x0u);
}
// 5. Test operator^(cufile_open_flags, cufile_open_flags)
{
constexpr auto lhs = cudax::cufile_open_mode::in;
constexpr auto rhs = cudax::cufile_open_mode::out;
STATIC_REQUIRE(cuda::std::is_same_v<cudax::cufile_open_mode, decltype(lhs ^ rhs)>);
STATIC_REQUIRE(noexcept(lhs ^ rhs));
STATIC_REQUIRE(cuda::std::to_underlying(lhs ^ lhs) == 0x0u);
STATIC_REQUIRE(cuda::std::to_underlying(lhs ^ rhs) == 0x3u);
}
// 6. Test operator=^(cufile_open_flags&, cufile_open_flags)
{
auto lhs = cudax::cufile_open_mode::in;
auto rhs = cudax::cufile_open_mode::out;
STATIC_REQUIRE(cuda::std::is_same_v<cudax::cufile_open_mode&, decltype(lhs ^= rhs)>);
STATIC_REQUIRE(noexcept(lhs ^= rhs));
REQUIRE(cuda::std::to_underlying(lhs ^= rhs) == 0x3u);
REQUIRE(cuda::std::to_underlying(lhs ^= cudax::cufile_open_mode::in) == 0x2u);
}
// 5. Test operator~(cufile_open_flags)
{
constexpr auto v = cudax::cufile_open_mode::in;
STATIC_REQUIRE(cuda::std::is_same_v<cudax::cufile_open_mode, decltype(~v)>);
STATIC_REQUIRE(noexcept(~v));
STATIC_REQUIRE(cuda::std::to_underlying(~v) == ~0x1u);
}
}