23e387975e
This better reflects what the load library module does. PiperOrigin-RevId: 317763973 Change-Id: I66169394c2f1d77b260323cb81d76f0f4e167579
71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
/* Copyright 2020 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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#ifndef TENSORFLOW_STREAM_EXECUTOR_TPU_TPU_STREAM_H_
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#define TENSORFLOW_STREAM_EXECUTOR_TPU_TPU_STREAM_H_
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#include "tensorflow/core/tpu/tpu_api.h"
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#include "tensorflow/stream_executor/stream_executor_internal.h"
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#include "tensorflow/stream_executor/tpu/c_api_conversions.h"
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#include "tensorflow/stream_executor/tpu/status_helper.h"
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#include "tensorflow/stream_executor/tpu/tpu_executor_c_api.h"
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#include "tensorflow/stream_executor/tpu/tpu_stream_interface.h"
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class TpuStream : public tensorflow::tpu::TpuStreamInterface {
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public:
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using Status = stream_executor::port::Status;
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explicit TpuStream(SE_Stream* stream) : stream_(stream) {}
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~TpuStream() override {
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tensorflow::tpu::ExecutorApiFn()->TpuStream_FreeFn(stream_);
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}
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bool IsSameSharedMemoryLocation(
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tensorflow::tpu::TpuStreamInterface* other) override {
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return tensorflow::tpu::ExecutorApiFn()
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->TpuStream_IsSameSharedMemoryLocationFn(
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stream_, static_cast<TpuStream*>(other)->stream_);
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}
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Status EnqueueOnTpuDeviceSendRecvLocal(
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stream_executor::DeviceMemoryBase send_buffer,
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stream_executor::DeviceMemoryBase recv_buffer) override {
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StatusHelper status;
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tensorflow::tpu::ExecutorApiFn()
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->TpuStream_TpuEnqueueOnDeviceSendRecvLocalFn(
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stream_,
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TpuConversions::DeviceMemoryBaseToSE_DeviceMemoryBase(send_buffer),
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TpuConversions::DeviceMemoryBaseToSE_DeviceMemoryBase(recv_buffer),
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status.c_status);
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return status.status();
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}
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private:
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SE_Stream* stream_;
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};
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class TpuEvent : public ::stream_executor::internal::EventInterface {
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public:
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explicit TpuEvent(SE_Event* event) : event_(event) {}
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~TpuEvent() override {
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tensorflow::tpu::ExecutorApiFn()->TpuEvent_FreeFn(event_);
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}
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private:
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SE_Event* event_;
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};
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#endif // TENSORFLOW_STREAM_EXECUTOR_TPU_TPU_STREAM_H_
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