Files
project_6/cccl_upstream/libcudacxx/test/support/MoveOnly.h
EngineX CI 56fd68e7dd [INFRA] Import NVIDIA/CCCL upstream as optimization reference library
CCCL (CUDA C++ Core Libraries) provides:
- CUB: device/block/warp-level GPU primitives (reduce, scan, sort, topk)
- Thrust: high-level parallel algorithms (transform_reduce, sort, scan)
- libcudacxx: CUDA C++ standard library (atomics, barriers, memory)
- cudax: experimental features (memory resources, allocators)
- Tuning policies: per-SM hardware-specific algorithm parameters

Competition optimization vectors mapped to CCCL:
- Output TPS (83% weight): warp_reduce, block_reduce, device_topk
- Input TPS (14% weight): device_scan, block_load, prefetch
- Cache TPS (3% weight): prefix caching strategy patterns
- Memory (0.9 util): pooled/cached/buddy allocators

Source: https://github.com/NVIDIA/cccl (shallow clone, HEAD only)
License: Apache-2.0
2026-07-30 09:35:51 +00:00

100 lines
2.5 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, 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) 2023 NVIDIA CORPORATION & AFFILIATES
//
//===----------------------------------------------------------------------===//
#ifndef MOVEONLY_H
#define MOVEONLY_H
#include <cuda/std/cstddef>
#include "test_macros.h"
// #include <functional>
class MoveOnly
{
int data_;
public:
TEST_FUNC constexpr MoveOnly(int data = 1)
: data_(data)
{}
MoveOnly(const MoveOnly&) = delete;
MoveOnly& operator=(const MoveOnly&) = delete;
TEST_FUNC constexpr MoveOnly(MoveOnly&& x)
: data_(x.data_)
{
x.data_ = 0;
}
TEST_FUNC constexpr MoveOnly& operator=(MoveOnly&& x)
{
data_ = x.data_;
x.data_ = 0;
return *this;
}
TEST_FUNC constexpr int get() const
{
return data_;
}
TEST_FUNC friend constexpr bool operator==(const MoveOnly& x, const MoveOnly& y)
{
return x.data_ == y.data_;
}
TEST_FUNC friend constexpr bool operator!=(const MoveOnly& x, const MoveOnly& y)
{
return x.data_ != y.data_;
}
TEST_FUNC friend constexpr bool operator<(const MoveOnly& x, const MoveOnly& y)
{
return x.data_ < y.data_;
}
TEST_FUNC friend constexpr bool operator<=(const MoveOnly& x, const MoveOnly& y)
{
return x.data_ <= y.data_;
}
TEST_FUNC friend constexpr bool operator>(const MoveOnly& x, const MoveOnly& y)
{
return x.data_ > y.data_;
}
TEST_FUNC friend constexpr bool operator>=(const MoveOnly& x, const MoveOnly& y)
{
return x.data_ >= y.data_;
}
#if TEST_STD_VER > 2017 && _LIBCUDACXX_HAS_SPACESHIP_OPERATOR()
TEST_FUNC friend constexpr auto operator<=>(const MoveOnly&, const MoveOnly&) = default;
#endif // TEST_STD_VER > 2017 && _LIBCUDACXX_HAS_SPACESHIP_OPERATOR()
TEST_FUNC constexpr MoveOnly operator+(const MoveOnly& x) const
{
return MoveOnly(data_ + x.data_);
}
TEST_FUNC constexpr MoveOnly operator*(const MoveOnly& x) const
{
return MoveOnly(data_ * x.data_);
}
template <class T>
void operator,(T const&) = delete;
};
/*
template <>
struct cuda::std::hash<MoveOnly>
{
using argument_type = MoveOnly;
using result_type = size_t;
TEST_FUNC constexpr size_t operator()(const MoveOnly& x) const {return x.get();}
};
*/
#endif // MOVEONLY_H