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.
98 lines
2.7 KiB
98 lines
2.7 KiB
// Copyright (c) 2020 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 "gflags/gflags.h"
|
|
#include "gtest/gtest.h"
|
|
#include "paddle/fluid/platform/cuda_device_guard.h"
|
|
#include "paddle/fluid/platform/gpu_info.h"
|
|
|
|
DECLARE_uint64(gpu_memory_limit_mb);
|
|
|
|
namespace paddle {
|
|
namespace platform {
|
|
|
|
static constexpr uint64_t GPU_MEMORY_LIMIT_MB = 500;
|
|
static constexpr int DEVICE_ID = 0;
|
|
|
|
TEST(test_record_malloc, test_limit_gpu_memory) {
|
|
FLAGS_gpu_memory_limit_mb = GPU_MEMORY_LIMIT_MB;
|
|
size_t limit = FLAGS_gpu_memory_limit_mb << 20;
|
|
|
|
{
|
|
ASSERT_TRUE(IsCudaMallocRecorded(DEVICE_ID));
|
|
ASSERT_EQ(RecordedCudaMallocSize(DEVICE_ID), 0UL);
|
|
}
|
|
|
|
size_t avail, total;
|
|
{
|
|
size_t actual_avail, actual_total;
|
|
RecordedCudaMemGetInfo(&avail, &total, &actual_avail, &actual_total,
|
|
DEVICE_ID);
|
|
ASSERT_EQ(total, limit);
|
|
ASSERT_EQ(cudaGetLastError(), cudaSuccess);
|
|
}
|
|
|
|
{
|
|
CUDADeviceGuard guard(DEVICE_ID);
|
|
GpuMemoryUsage(&avail, &total);
|
|
ASSERT_EQ(total, limit);
|
|
ASSERT_EQ(cudaGetLastError(), cudaSuccess);
|
|
}
|
|
|
|
cudaError_t err = cudaSuccess;
|
|
|
|
void *p1 = nullptr;
|
|
size_t size1 = limit / 4 * 3;
|
|
{
|
|
err = platform::RecordedCudaMalloc(&p1, size1, DEVICE_ID);
|
|
ASSERT_EQ(err, cudaSuccess);
|
|
ASSERT_EQ(cudaGetLastError(), cudaSuccess);
|
|
ASSERT_NE(p1, nullptr);
|
|
|
|
ASSERT_EQ(RecordedCudaMallocSize(DEVICE_ID), size1);
|
|
}
|
|
|
|
void *p2 = nullptr;
|
|
size_t size2 = limit / 2;
|
|
{
|
|
err = platform::RecordedCudaMalloc(&p2, size2, DEVICE_ID);
|
|
ASSERT_EQ(err, cudaErrorMemoryAllocation);
|
|
ASSERT_EQ(cudaGetLastError(), cudaSuccess);
|
|
ASSERT_EQ(p2, nullptr);
|
|
|
|
ASSERT_EQ(RecordedCudaMallocSize(DEVICE_ID), size1);
|
|
}
|
|
|
|
{
|
|
platform::RecordedCudaFree(p1, size1, DEVICE_ID);
|
|
ASSERT_EQ(RecordedCudaMallocSize(DEVICE_ID), 0UL);
|
|
}
|
|
|
|
{
|
|
err = platform::RecordedCudaMalloc(&p2, size2, DEVICE_ID);
|
|
ASSERT_EQ(err, cudaSuccess);
|
|
ASSERT_EQ(cudaGetLastError(), cudaSuccess);
|
|
ASSERT_NE(p2, nullptr);
|
|
ASSERT_EQ(RecordedCudaMallocSize(DEVICE_ID), size2);
|
|
}
|
|
|
|
{
|
|
platform::RecordedCudaFree(p2, size2, DEVICE_ID);
|
|
ASSERT_EQ(RecordedCudaMallocSize(DEVICE_ID), 0UL);
|
|
}
|
|
}
|
|
|
|
} // namespace platform
|
|
} // namespace paddle
|