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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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53
cccl_upstream/cudax/test/stf/places/place_partition.cu
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@@ -1,53 +0,0 @@
//===----------------------------------------------------------------------===//
//
// Part of CUDASTF 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) 2022-2024 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#include <cuda/experimental/__places/place_partition.cuh>
#include <cuda/experimental/__stf/internal/stf_places_partition_into_stf.cuh>
#include <cuda/experimental/stf.cuh>
using namespace cuda::experimental::stf;
void print_partition(async_resources_handle& handle, exec_place place, place_partition_scope scope)
{
fprintf(stderr, "-----------\n");
fprintf(
stderr, "PARTITION %s (scope: %s):\n", place.to_string().c_str(), place_partition_scope_to_string(scope).c_str());
for (auto sub_place : place_partition(place, handle, scope))
{
fprintf(stderr, "[%s] subplace: %s\n", place.to_string().c_str(), sub_place.to_string().c_str());
}
fprintf(stderr, "-----------\n");
}
int main()
{
#if _CCCL_CTK_BELOW(12, 4)
fprintf(stderr, "Green contexts are not supported by this version of CUDA: skipping test.\n");
return 0;
#else // ^^^ _CCCL_CTK_BELOW(12, 4) ^^^ / vvv _CCCL_CTK_AT_LEAST(12, 4) vvv
async_resources_handle handle;
print_partition(handle, exec_place::all_devices(), place_partition_scope::cuda_device);
print_partition(handle, exec_place::all_devices(), place_partition_scope::cuda_stream);
print_partition(handle, exec_place::current_device(), place_partition_scope::cuda_stream);
print_partition(handle, exec_place::current_device(), place_partition_scope::green_context);
print_partition(handle, exec_place::current_device(), place_partition_scope::green_context);
print_partition(handle, exec_place::repeat(exec_place::current_device(), 4), place_partition_scope::green_context);
print_partition(handle, exec_place::current_device(), place_partition_scope::cuda_device);
print_partition(handle, exec_place::repeat(exec_place::current_device(), 4), place_partition_scope::cuda_stream);
#endif // ^^^ _CCCL_CTK_AT_LEAST(12, 4) ^^^
}