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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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48
cccl_upstream/cudax/test/stf/dot/basic.cu
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@@ -1,48 +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.
//
//===----------------------------------------------------------------------===//
/**
* @file
* @brief This test makes sure we can generate a dot file
*/
#include <cuda/experimental/stf.cuh>
using namespace cuda::experimental::stf;
int main()
{
// TODO (miscco): Make it work for windows
#if !_CCCL_COMPILER(MSVC)
// Generate a random filename
int r = rand();
char filename[64];
snprintf(filename, 64, "output_%d.dot", r);
// fprintf(stderr, "filename %s\n", filename);
setenv("CUDASTF_DOT_FILE", filename, 1);
stream_ctx ctx;
auto lA = ctx.logical_data(shape_of<slice<char>>(64));
ctx.task(lA.write())->*[](cudaStream_t, auto) {};
ctx.task(lA.rw())->*[](cudaStream_t, auto) {};
ctx.finalize();
// Call this explicitly for the purpose of the test
reserved::dot::instance().finish();
// Make sure the file exists, and erase it
// fprintf(stderr, "ERASE. ...\n");
EXPECT(access(filename, F_OK) != -1);
EXPECT(unlink(filename) == 0);
#endif // !_CCCL_COMPILER(MSVC)
}

50
cccl_upstream/cudax/test/stf/dot/graph_print_to_dot.cu
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@@ -1,50 +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.
//
//===----------------------------------------------------------------------===//
/**
* @file
* @brief This test makes sure we can generate a dot file
*/
#include <cuda/experimental/stf.cuh>
using namespace cuda::experimental::stf;
__global__ void dummy() {}
int main()
{
// TODO (miscco): Make it work for windows
#if !_CCCL_COMPILER(MSVC)
// Generate a random filename
int r = rand();
char filename[64];
snprintf(filename, 64, "output_%d.dot", r);
// fprintf(stderr, "filename %s\n", filename);
graph_ctx ctx;
auto lA = ctx.logical_data(shape_of<slice<char>>(64));
ctx.task(lA.write())->*[](cudaStream_t s, auto) {
dummy<<<1, 1, 0, s>>>();
};
ctx.task(lA.rw())->*[](cudaStream_t s, auto) {
dummy<<<1, 1, 0, s>>>();
};
ctx.print_to_dot(filename, cudaGraphDebugDotFlagsVerbose);
ctx.finalize();
// Make sure the file exists, and erase it
EXPECT(access(filename, F_OK) != -1);
EXPECT(unlink(filename) == 0);
#endif // !_CCCL_COMPILER(MSVC)
}

47
cccl_upstream/cudax/test/stf/dot/section_movable.cu
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@@ -1,47 +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) 2022-2025 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
/**
* @file
* @brief Test if dot section guards are movable and if we can them as an optional value
*/
#include <cuda/experimental/stf.cuh>
#include <optional>
#include <vector>
using namespace cuda::experimental::stf;
int main()
{
context ctx;
// Ensure the guard is movable
{
auto g = ctx.dot_section("foo");
auto g2 = mv(g);
}
// Ensure the guard can be stored as an optional
::std::vector<::std::optional<reserved::dot_section::guard>> nested_sections;
for (size_t depth = 0; depth < 3; depth++)
{
nested_sections.emplace_back(ctx.dot_section("foo"));
}
for (size_t depth = 0; depth < 3; depth++)
{
nested_sections.pop_back();
}
ctx.finalize();
}

63
cccl_upstream/cudax/test/stf/dot/sections.cu
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@@ -1,63 +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.
//
//===----------------------------------------------------------------------===//
/**
* @file
* @brief This test makes sure we can generate a dot file with sections
*/
#include <cuda/experimental/stf.cuh>
using namespace cuda::experimental::stf;
int main()
{
// TODO (miscco): Make it work for windows
#if !_CCCL_COMPILER(MSVC)
// Generate a random filename
int r = rand();
char filename[64];
snprintf(filename, 64, "output_%d.dot", r);
// fprintf(stderr, "filename %s\n", filename);
setenv("CUDASTF_DOT_FILE", filename, 1);
context ctx;
auto lA = ctx.logical_data(shape_of<slice<char>>(64));
auto lB = ctx.logical_data(shape_of<slice<char>>(64));
auto lC = ctx.logical_data(shape_of<slice<char>>(64));
ctx.task(lA.write()).set_symbol("initA")->*[](cudaStream_t, auto) {};
ctx.task(lB.write()).set_symbol("initB")->*[](cudaStream_t, auto) {};
ctx.task(lC.write()).set_symbol("initC")->*[](cudaStream_t, auto) {};
for (size_t j = 0; j < 3; j++)
{
ctx.task(lA.rw()).set_symbol("f1")->*[](cudaStream_t, auto) {};
auto guard = ctx.dot_section("sec_loop " + ::std::to_string(j));
for (size_t i = 0; i < 2; i++)
{
auto guard_inner = ctx.dot_section("sec_inner_loop " + ::std::to_string(i));
ctx.task(lA.read(), lB.rw()).set_symbol("f2")->*[](cudaStream_t, auto, auto) {};
ctx.task(lA.read(), lC.rw()).set_symbol("f2")->*[](cudaStream_t, auto, auto) {};
ctx.task(lB.read(), lC.read(), lA.rw()).set_symbol("f3")->*[](cudaStream_t, auto, auto, auto) {};
}
}
ctx.finalize();
// Call this explicitly for the purpose of the test
reserved::dot::instance().finish();
// Make sure the file exists, and erase it
// fprintf(stderr, "ERASE. ...\n");
EXPECT(access(filename, F_OK) != -1);
EXPECT(unlink(filename) == 0);
#endif // !_CCCL_COMPILER(MSVC)
}

49
cccl_upstream/cudax/test/stf/dot/sections_2.cu
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@@ -1,49 +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.
//
//===----------------------------------------------------------------------===//
/**
* @file
* @brief This test makes sure we can generate a dot file with sections
*/
#include <cuda/experimental/stf.cuh>
using namespace cuda::experimental::stf;
int main()
{
// TODO (miscco): Make it work for windows
#if !_CCCL_COMPILER(MSVC)
context ctx;
auto lA = ctx.token().set_symbol("A");
auto lB = ctx.token().set_symbol("B");
auto lC = ctx.token().set_symbol("C");
// Begin a top-level section named "foo"
auto s_foo = ctx.dot_section("foo");
for (size_t i = 0; i < 2; i++)
{
// Section named "bar" using RAII
auto s_bar = ctx.dot_section("bar");
ctx.task(lA.read(), lB.rw()).set_symbol("t1")->*[](cudaStream_t) {};
for (size_t j = 0; j < 2; j++)
{
// Section named "baz" using RAII
auto s_bar = ctx.dot_section("baz");
ctx.task(lA.read(), lC.rw()).set_symbol("t2")->*[](cudaStream_t) {};
ctx.task(lB.read(), lC.read(), lA.rw()).set_symbol("t3")->*[](cudaStream_t) {};
// Implicit end of section "baz"
}
// Implicit end of section "bar"
}
s_foo.end(); // Explicit end of section "foo"
ctx.finalize();
#endif // !_CCCL_COMPILER(MSVC)
}

61
cccl_upstream/cudax/test/stf/dot/sections_stackable.cu
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@@ -1,61 +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.
//
//===----------------------------------------------------------------------===//
/**
* @file
* @brief This test makes sure we can generate a dot file with sections and stackable contexts
*/
#include <cuda/experimental/stf.cuh>
using namespace cuda::experimental::stf;
int main()
{
// TODO (miscco): Make it work for windows
#if !_CCCL_COMPILER(MSVC)
// Test configuration constants
constexpr size_t buffer_size = 64;
constexpr size_t num_iterations = 3;
stackable_ctx ctx;
// Create logical data for the computation pipeline
auto lA = ctx.logical_data(shape_of<slice<char>>(buffer_size));
auto lB = ctx.logical_data(shape_of<slice<char>>(buffer_size));
auto lC = ctx.logical_data(shape_of<slice<char>>(buffer_size));
// Initialize all logical data in a dedicated DOT section
auto r_init = ctx.dot_section("init");
ctx.task(lA.write()).set_symbol("initA")->*[](cudaStream_t, auto) {};
ctx.task(lB.write()).set_symbol("initB")->*[](cudaStream_t, auto) {};
ctx.task(lC.write()).set_symbol("initC")->*[](cudaStream_t, auto) {};
r_init.end();
// Test nested DOT sections with stackable contexts
// This creates a hierarchical structure to verify DOT graph generation
for (size_t j = 0; j < num_iterations; j++)
{
auto r0 = ctx.dot_section("lvl0");
ctx.task(lA.rw()).set_symbol("f1")->*[](cudaStream_t, auto) {};
ctx.push();
{
auto r1 = ctx.dot_section("lvl1");
ctx.task(lA.read(), lB.rw()).set_symbol("f2")->*[](cudaStream_t, auto, auto) {};
ctx.task(lA.read(), lC.rw()).set_symbol("f2")->*[](cudaStream_t, auto, auto) {};
ctx.task(lB.read(), lC.read(), lA.rw()).set_symbol("f3")->*[](cudaStream_t, auto, auto, auto) {};
}
ctx.pop();
}
ctx.finalize();
#endif // !_CCCL_COMPILER(MSVC)
}

49
cccl_upstream/cudax/test/stf/dot/with_events.cu
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@@ -1,49 +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.
//
//===----------------------------------------------------------------------===//
/**
* @file
* @brief This test makes sure we can generate a dot file with events
*/
#include <cuda/experimental/stf.cuh>
using namespace cuda::experimental::stf;
int main()
{
// TODO (miscco): Make it work for windows
#if !_CCCL_COMPILER(MSVC)
// Generate a random filename
int r = rand();
char filename[64];
snprintf(filename, 64, "output_%d.dot", r);
// fprintf(stderr, "filename %s\n", filename);
setenv("CUDASTF_DOT_FILE", filename, 1);
setenv("CUDASTF_DOT_IGNORE_PREREQS", "0", 1);
stream_ctx ctx;
auto lA = ctx.logical_data(shape_of<slice<char>>(64));
ctx.task(lA.write())->*[](cudaStream_t, auto) {};
ctx.task(lA.rw())->*[](cudaStream_t, auto) {};
ctx.finalize();
// Call this explicitly for the purpose of the test
reserved::dot::instance().finish();
// Make sure the file exists, and erase it
// fprintf(stderr, "ERASE. ...\n");
EXPECT(access(filename, F_OK) != -1);
EXPECT(unlink(filename) == 0);
#endif // !_CCCL_COMPILER(MSVC)
}