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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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90
cccl_upstream/cudax/test/execution/test_just.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) 2024 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#include <cuda/experimental/execution.cuh>
#include <system_error>
#include "common/checked_receiver.cuh"
#include "common/dummy_scheduler.cuh"
#if _CCCL_COMPILER(GCC, <, 12)
// suppress buggy warning on older gcc versions
_CCCL_DIAG_SUPPRESS_GCC("-Wmissing-field-initializers")
#endif
namespace ex = cuda::experimental::execution;
namespace
{
struct test_domain
{};
C2H_TEST("simple test of just sender factory", "[just]")
{
auto sndr = ex::just(42);
using Sndr = decltype(sndr);
STATIC_REQUIRE(ex::sender<Sndr>);
auto op = ex::connect(sndr, checked_value_receiver{42});
ex::start(op);
STATIC_CHECK(ex::get_completion_behavior<Sndr>() == ex::completion_behavior::inline_completion);
STATIC_CHECK(!cudax::__callable<ex::get_completion_scheduler_t<ex::set_value_t>, ex::env_of_t<Sndr>>);
STATIC_CHECK(!cudax::__callable<ex::get_completion_domain_t<ex::set_value_t>, ex::env_of_t<Sndr>>);
constexpr auto sch = dummy_scheduler<test_domain>{};
constexpr auto env = ex::prop{ex::get_scheduler, sch};
STATIC_CHECK(ex::get_completion_scheduler<ex::set_value_t>(ex::get_env(sndr), env) == sch);
STATIC_CHECK(
cuda::std::is_same_v<decltype(ex::get_completion_domain<ex::set_value_t>(ex::get_env(sndr), env)), test_domain>);
}
C2H_TEST("simple test of just_error sender factory", "[just]")
{
auto ec = ::std::errc::invalid_argument;
auto sndr = ex::just_error(ec);
using Sndr = decltype(sndr);
STATIC_REQUIRE(ex::sender<Sndr>);
auto op = ex::connect(sndr, checked_error_receiver{ec});
ex::start(op);
STATIC_REQUIRE(ex::get_completion_behavior<Sndr>() == ex::completion_behavior::inline_completion);
STATIC_REQUIRE(!cudax::__callable<ex::get_completion_scheduler_t<ex::set_error_t>, ex::env_of_t<Sndr>>);
STATIC_REQUIRE(!cudax::__callable<ex::get_completion_domain_t<ex::set_error_t>, ex::env_of_t<Sndr>>);
constexpr auto sch = dummy_scheduler<test_domain>{};
constexpr auto env = ex::prop{ex::get_scheduler, sch};
STATIC_CHECK(ex::get_completion_scheduler<ex::set_error_t>(ex::get_env(sndr), env) == sch);
STATIC_CHECK(
cuda::std::is_same_v<decltype(ex::get_completion_domain<ex::set_error_t>(ex::get_env(sndr), env)), test_domain>);
}
C2H_TEST("simple test of just_stopped sender factory", "[just]")
{
auto sndr = ex::just_stopped();
using Sndr = decltype(sndr);
STATIC_REQUIRE(ex::sender<Sndr>);
auto op = ex::connect(sndr, checked_stopped_receiver{});
ex::start(op);
STATIC_REQUIRE(ex::get_completion_behavior<Sndr>() == ex::completion_behavior::inline_completion);
STATIC_REQUIRE(!cudax::__callable<ex::get_completion_scheduler_t<ex::set_stopped_t>, ex::env_of_t<Sndr>>);
STATIC_REQUIRE(!cudax::__callable<ex::get_completion_domain_t<ex::set_stopped_t>, ex::env_of_t<Sndr>>);
constexpr auto sch = dummy_scheduler<test_domain>{};
constexpr auto env = ex::prop{ex::get_scheduler, sch};
STATIC_CHECK(ex::get_completion_scheduler<ex::set_stopped_t>(ex::get_env(sndr), env) == sch);
STATIC_CHECK(
cuda::std::is_same_v<decltype(ex::get_completion_domain<ex::set_stopped_t>(ex::get_env(sndr), env)), test_domain>);
}
} // anonymous namespace