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/*
* Copyright 2008-2018 NVIDIA Corporation
* Modifications Copyright© 2019-2023 Advanced Micro Devices, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <thrust/detail/seq.h>
#include <thrust/system/cpp/detail/par.h>
#include <thrust/system/hip/detail/par.h>
#include <thrust/system/omp/detail/par.h>
#include <thrust/system/tbb/detail/par.h>
#include "test_header.hpp"
template<typename T>
struct test_allocator_t
{
};
test_allocator_t<int> test_allocator = test_allocator_t<int>();
const test_allocator_t<int> const_test_allocator = test_allocator_t<int>();
struct test_memory_resource_t final : thrust::mr::memory_resource<>
{
void * do_allocate(std::size_t size, std::size_t) override
{
return reinterpret_cast<void *>(size);
}
void do_deallocate(void * ptr, std::size_t size, std::size_t) override
{
ASSERT_EQ(ptr, reinterpret_cast<void *>(size));
}
} test_memory_resource;
template<typename Policy, template <typename> class CRTPBase>
struct policy_info
{
typedef Policy policy;
template<template <typename, template <typename> class> class Template, typename Argument>
struct apply_base_second
{
typedef Template<Argument, CRTPBase> type;
};
};
template<typename PolicyInfo>
struct TestAllocatorAttachment
{
template<typename Expected, typename T>
static void assert_correct(T)
{
ASSERT_EQ(
(thrust::detail::is_same<
T,
typename PolicyInfo::template apply_base_second<
thrust::detail::execute_with_allocator,
Expected
>::type
>::value), true);
}
template<typename ExpectedResource, typename T>
static void assert_npa_correct(T)
{
ASSERT_EQ(
(thrust::detail::is_same<
T,
typename PolicyInfo::template apply_base_second<
thrust::detail::execute_with_allocator,
thrust::mr::allocator<
thrust::detail::max_align_t,
ExpectedResource
>
>::type
>::value), true);
}
template<typename Policy>
void test_temporary_allocation_valid(Policy policy)
{
using thrust::detail::get_temporary_buffer;
return_temporary_buffer(
policy,
get_temporary_buffer<int>(
policy,
123
).first,
123
);
}
void operator()()
{
typename PolicyInfo::policy policy;
// test correctness of attachment
assert_correct<test_allocator_t<int> >(policy(test_allocator_t<int>()));
assert_correct<test_allocator_t<int>&>(policy(test_allocator));
assert_correct<test_allocator_t<int> >(policy(const_test_allocator));
assert_npa_correct<test_memory_resource_t>(policy(&test_memory_resource));
// test whether the resulting policy is actually usable
// a real allocator is necessary here, unlike above
std::allocator<int> alloc;
const std::allocator<int> const_alloc;
test_temporary_allocation_valid(policy(std::allocator<int>()));
test_temporary_allocation_valid(policy(alloc));
test_temporary_allocation_valid(policy(const_alloc));
test_temporary_allocation_valid(policy(&test_memory_resource));
test_temporary_allocation_valid(policy(std::allocator<int>()).after(1));
test_temporary_allocation_valid(policy(alloc).after(1));
test_temporary_allocation_valid(policy(const_alloc).after(1));
}
};
typedef policy_info<
thrust::detail::seq_t,
thrust::system::detail::sequential::execution_policy
> sequential_info;
typedef policy_info<
thrust::system::cpp::detail::par_t,
thrust::system::cpp::detail::execution_policy
> cpp_par_info;
typedef policy_info<
thrust::system::hip::detail::par_t,
thrust::hip_rocprim::execute_on_stream_base
> hip_par_info;
typedef policy_info<
thrust::system::omp::detail::par_t,
thrust::system::omp::detail::execution_policy
> omp_par_info;
typedef policy_info<
thrust::system::tbb::detail::par_t,
thrust::system::tbb::detail::execution_policy
> tbb_par_info;
typedef ::testing::Types<Params<sequential_info>,
Params<cpp_par_info>,
Params<hip_par_info>,
Params<omp_par_info>,
Params<tbb_par_info>>
PolicyTestsParams;
TESTS_DEFINE(AllocatorAwarePoliciesTests, PolicyTestsParams);
TYPED_TEST(AllocatorAwarePoliciesTests, TestAllocatorAttachmentInstance)
{
using T = typename TestFixture::input_type;
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
TestAllocatorAttachment<T> test;
test();
}
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