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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

Browse Source 
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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142
cccl_upstream/cudax/test/execution/policies/get_execution_policy.cu
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@@ -1,142 +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) 2024 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#include <cuda/std/type_traits>
#include <cuda/experimental/execution.cuh>
#include <testing.cuh>
namespace execution = cuda::experimental::execution;
struct with_get_execution_policy_const_lvalue
{
execution::any_execution_policy pol_ = execution::seq;
const execution::any_execution_policy& get_execution_policy() const noexcept
{
return pol_;
}
};
C2H_TEST("Can call get_execution_policy on a type with a get_execution_policy method that returns a const lvalue",
"[execution][policies]")
{
with_get_execution_policy_const_lvalue val{};
auto&& res = cuda::experimental::execution::get_execution_policy(val);
STATIC_REQUIRE(cuda::std::is_same_v<decltype(res), execution::any_execution_policy&&>);
CHECK(val.pol_ == res);
}
struct with_get_execution_policy_rvalue
{
execution::any_execution_policy pol_{};
execution::any_execution_policy get_execution_policy() const noexcept
{
return pol_;
}
};
C2H_TEST("Can call get_execution_policy on a type with a get_execution_policy method returns an rvalue",
"[execution][policies]")
{
with_get_execution_policy_rvalue val{};
auto&& res = cuda::experimental::execution::get_execution_policy(val);
STATIC_REQUIRE(cuda::std::is_same_v<decltype(res), execution::any_execution_policy&&>);
CHECK(val.pol_ == res);
}
struct with_get_execution_policy_non_const
{
execution::any_execution_policy pol_{};
execution::any_execution_policy get_execution_policy() noexcept
{
return pol_;
}
};
C2H_TEST("Cannot call get_execution_policy on a type with a non-const get_execution_policy method",
"[execution][policies]")
{
STATIC_REQUIRE(!::cuda::std::is_invocable_v<cuda::experimental::execution::get_execution_policy_t,
const with_get_execution_policy_non_const&>);
}
struct env_with_query_const_ref
{
execution::any_execution_policy pol_{};
execution::any_execution_policy query(cuda::experimental::execution::get_execution_policy_t) const noexcept
{
return pol_;
}
};
C2H_TEST("Can call get_execution_policy on an env with a get_execution_policy query that returns a const lvalue",
"[execution][policies]")
{
env_with_query_const_ref val{};
auto&& res = cuda::experimental::execution::get_execution_policy(val);
STATIC_REQUIRE(cuda::std::is_same_v<decltype(res), execution::any_execution_policy&&>);
CHECK(val.pol_ == res);
}
struct env_with_query_rvalue
{
execution::any_execution_policy pol_{};
execution::any_execution_policy query(cuda::experimental::execution::get_execution_policy_t) const noexcept
{
return pol_;
}
};
C2H_TEST("Can call get_execution_policy on an env with a get_execution_policy query that returns an rvalue",
"[execution][policies]")
{
env_with_query_rvalue val{};
auto&& res = cuda::experimental::execution::get_execution_policy(val);
STATIC_REQUIRE(cuda::std::is_same_v<decltype(res), execution::any_execution_policy&&>);
CHECK(val.pol_ == res);
}
struct env_with_query_non_const
{
execution::any_execution_policy pol_{};
execution::any_execution_policy query(cuda::experimental::execution::get_execution_policy_t) noexcept
{
return pol_;
}
};
C2H_TEST("Cannot call get_execution_policy on an env with a non-const query", "[execution][policies]")
{
STATIC_REQUIRE(
!::cuda::std::is_invocable_v<cuda::experimental::execution::get_execution_policy_t, const env_with_query_non_const&>);
}
struct env_with_query_and_method
{
execution::any_execution_policy pol_{};
execution::any_execution_policy get_execution_policy() const noexcept
{
return pol_;
}
execution::any_execution_policy query(cuda::experimental::execution::get_execution_policy_t) const noexcept
{
return pol_;
}
};
C2H_TEST("Can call get_execution_policy on a type with both get_execution_policy and query", "[execution][policies]")
{
env_with_query_and_method val{};
auto&& res = cuda::experimental::execution::get_execution_policy(val);
STATIC_REQUIRE(cuda::std::is_same_v<decltype(res), execution::any_execution_policy&&>);
CHECK(val.pol_ == res);
}

34
cccl_upstream/cudax/test/execution/policies/policies.cu
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@@ -1,34 +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) 2024 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#include <cuda/std/execution>
#include <cuda/std/type_traits>
#include <cuda/experimental/execution.cuh>
#include <testing.cuh>
namespace cudax = cuda::experimental;
template <class T, class U>
using is_same = cuda::std::is_same<cuda::std::remove_cvref_t<T>, U>;
C2H_TEST("Execution policies", "[execution][policies]")
{
namespace execution = cuda::std::execution;
SECTION("Individual options")
{
cudax::execution::any_execution_policy pol = execution::seq;
pol = execution::par;
pol = execution::par_unseq;
pol = execution::unseq;
CHECK(pol == execution::unseq);
}
}