e840aa5e28
Added a test for pinned host memory. PiperOrigin-RevId: 282036798 Change-Id: I6c0aab79a0e1ec1df9e2010e461d2ad8af8a1703
44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
/* Copyright 2019 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#if GOOGLE_CUDA
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#include "absl/memory/memory.h"
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#include "tensorflow/core/platform/test.h"
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#include "tensorflow/stream_executor/device_memory.h"
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#include "tensorflow/stream_executor/multi_platform_manager.h"
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#include "tensorflow/stream_executor/stream.h"
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#include "tensorflow/stream_executor/stream_executor.h"
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namespace stream_executor {
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TEST(MemcpyTest, PinnedHostMemory) {
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Platform* platform =
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MultiPlatformManager::PlatformWithName("CUDA").ValueOrDie();
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StreamExecutor* executor = platform->ExecutorForDevice(0).ValueOrDie();
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Stream stream(executor);
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stream.Init();
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ASSERT_TRUE(stream.ok());
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void* d_ptr = executor->HostMemoryAllocate(sizeof(int));
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DeviceMemoryBase d_mem(d_ptr, sizeof(int));
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int h_ptr;
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stream.ThenMemcpy(&h_ptr, d_mem, d_mem.size());
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EXPECT_TRUE(stream.BlockHostUntilDone().ok());
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}
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} // namespace stream_executor
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#endif // GOOGLE_CUDA
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