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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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79
cccl_upstream/cudax/test/group/make_this_group.cu
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@@ -1,79 +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) 2026 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#include <cuda/devices>
#include <cuda/hierarchy>
#include <cuda/launch>
#include <cuda/std/type_traits>
#include <cuda/stream>
#include <cuda/experimental/group.cuh>
#include "group_testing.cuh"
namespace
{
template <template <class> class GroupTempl, class Level, class Config>
__device__ void test_make_this_group(const Level& level, const Config& config)
{
// Test default construction.
{
static_assert(
cuda::std::is_same_v<GroupTempl<cudax::__implicit_hierarchy_t>, decltype(cudax::make_this_group(level))>);
static_assert(noexcept(cudax::make_this_group(level)));
auto group = cudax::make_this_group(level);
group.sync();
}
// Test construction from hierarchy-like.
{
using Hierarchy = typename Config::hierarchy_type;
static_assert(cuda::std::is_same_v<GroupTempl<Hierarchy>, decltype(cudax::make_this_group(level, config))>);
static_assert(noexcept(cudax::make_this_group(level, config)));
auto group = cudax::make_this_group(level, config);
group.sync();
}
}
struct TestKernel
{
template <class Config>
__device__ void operator()(const Config& config)
{
test_make_this_group<cudax::this_thread>(cuda::gpu_thread, config);
test_make_this_group<cudax::this_warp>(cuda::warp, config);
test_make_this_group<cudax::this_block>(cuda::block, config);
test_make_this_group<cudax::this_cluster>(cuda::cluster, config);
test_make_this_group<cudax::this_grid>(cuda::grid, config);
}
};
} // namespace
C2H_TEST("Make this group", "[group]")
{
const auto device = cuda::devices[0];
const cuda::stream stream{device};
const auto config = cuda::make_config(cuda::grid_dims<2>(), cuda::block_dims<128>(), cuda::cooperative_launch{});
cuda::launch(stream, config, TestKernel{});
if (cuda::device_attributes::compute_capability(device) >= cuda::compute_capability{90})
{
const auto config_cluster = cuda::make_config(
cuda::grid_dims<2>(), cuda::cluster_dims<3>(), cuda::block_dims<128>(), cuda::cooperative_launch{});
cuda::launch(stream, config_cluster, TestKernel{});
}
stream.sync();
}