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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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69
cccl_upstream/cudax/test/cufile/cufile_ref.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 <cufile.h>
#include <testing.cuh>
#include "common.h"
C2H_CCCLRT_TEST("cuFile cufile_ref", "[cufile][cufile]")
{
constexpr auto filename = "cufile_ref_test_file";
// 1. Test public cufile_ref types and properties.
STATIC_REQUIRE(cuda::std::is_same_v<cudax::cufile_ref::off_type, ::off_t>);
// 2. Test default constructor.
STATIC_REQUIRE(!cuda::std::is_default_constructible_v<cudax::cufile_ref>);
// 3. Test cufile_ref(CUfileHandle_t) constructor.
STATIC_REQUIRE(cuda::std::is_nothrow_constructible_v<cudax::cufile_ref, CUfileHandle_t>);
STATIC_REQUIRE(cuda::std::is_convertible_v<CUfileHandle_t, cudax::cufile_ref>);
{
cudax::cufile file{filename, cudax::cufile_open_mode::out};
cudax::cufile_ref file_ref{file.get()};
REQUIRE(file_ref.get() == file.get());
}
test_remove_file(filename);
// 4. Test copy constructor.
STATIC_REQUIRE(cuda::std::is_trivially_copy_constructible_v<cudax::cufile_ref>);
// 5. Test move constructor.
STATIC_REQUIRE(cuda::std::is_trivially_move_constructible_v<cudax::cufile_ref>);
// 6. Test copy assignment.
STATIC_REQUIRE(cuda::std::is_trivially_copy_assignable_v<cudax::cufile_ref>);
// 7. Test move assignment.
STATIC_REQUIRE(cuda::std::is_trivially_move_assignable_v<cudax::cufile_ref>);
// 8. Test destructor.
STATIC_REQUIRE(cuda::std::is_trivially_destructible_v<cudax::cufile_ref>);
// 9. Test get().
STATIC_REQUIRE(noexcept(cuda::std::declval<cudax::cufile_ref>().get()));
STATIC_REQUIRE(cuda::std::is_same_v<CUfileHandle_t, decltype(cuda::std::declval<cudax::cufile_ref>().get())>);
{
const cudax::cufile file;
REQUIRE(cudax::cufile_ref{file}.get() == nullptr);
}
{
cudax::cufile file{filename, cudax::cufile_open_mode::out};
REQUIRE(cudax::cufile_ref{file}.get() != nullptr);
}
test_remove_file(filename);
}