You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.3 KiB
82 lines
2.3 KiB
// Copyright (c) 2019 PaddlePaddle Authors. 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 "gtest/gtest.h"
|
|
#include "paddle/fluid/memory/allocation/aligned_allocator.h"
|
|
|
|
namespace paddle {
|
|
namespace memory {
|
|
namespace allocation {
|
|
|
|
TEST(aligned, aligned_size) {
|
|
ASSERT_EQ(AlignedSize(1024, 1024), 1024UL);
|
|
ASSERT_EQ(AlignedSize(1023, 1024), 1024UL);
|
|
ASSERT_EQ(AlignedSize(1025, 1024), 2048UL);
|
|
}
|
|
|
|
struct StubAllocator : public Allocator {
|
|
public:
|
|
StubAllocator() = default;
|
|
|
|
size_t AllocNum() const { return alloc_num_; }
|
|
|
|
protected:
|
|
Allocation *AllocateImpl(size_t size) override {
|
|
++alloc_num_;
|
|
return new Allocation(new uint8_t[size], size, platform::CPUPlace());
|
|
}
|
|
|
|
void FreeImpl(Allocation *allocation) override {
|
|
delete[] static_cast<uint8_t *>(allocation->ptr());
|
|
delete allocation;
|
|
--alloc_num_;
|
|
}
|
|
|
|
private:
|
|
size_t alloc_num_{0};
|
|
};
|
|
|
|
bool IsAligned(const AllocationPtr &alloc, size_t alignment) {
|
|
return reinterpret_cast<uintptr_t>(alloc->ptr()) % alignment == 0;
|
|
}
|
|
|
|
TEST(aligned_allocator, aligned_allocator) {
|
|
size_t alignment = 1024;
|
|
auto allocator = std::make_shared<StubAllocator>();
|
|
auto aligned_allocator =
|
|
std::make_shared<AlignedAllocator>(allocator, alignment);
|
|
|
|
auto alloc1 = aligned_allocator->Allocate(1345);
|
|
ASSERT_EQ(allocator->AllocNum(), 1UL);
|
|
ASSERT_TRUE(IsAligned(alloc1, alignment));
|
|
alloc1.reset();
|
|
ASSERT_EQ(allocator->AllocNum(), 0UL);
|
|
|
|
{
|
|
auto alloc2 = aligned_allocator->Allocate(200);
|
|
ASSERT_TRUE(IsAligned(alloc2, alignment));
|
|
ASSERT_EQ(allocator->AllocNum(), 1UL);
|
|
|
|
auto alloc3 = aligned_allocator->Allocate(3021);
|
|
ASSERT_TRUE(IsAligned(alloc3, alignment));
|
|
ASSERT_EQ(allocator->AllocNum(), 2UL);
|
|
}
|
|
|
|
ASSERT_EQ(allocator->AllocNum(), 0UL);
|
|
}
|
|
|
|
} // namespace allocation
|
|
} // namespace memory
|
|
} // namespace paddle
|