1 /* Copyright 2021 The TensorFlow Authors. All Rights Reserved. 2 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 ==============================================================================*/ 15 16 // This file declares kernels for running TFRT ops/kernels via TF runtime 17 // fallback. 18 19 #ifndef TENSORFLOW_CORE_RUNTIME_FALLBACK_RUNTIME_RUNTIME_FALLBACK_KERNELS_H_ 20 #define TENSORFLOW_CORE_RUNTIME_FALLBACK_RUNTIME_RUNTIME_FALLBACK_KERNELS_H_ 21 22 #include <memory> 23 24 #include "llvm/Support/Error.h" 25 #include "tensorflow/core/platform/status.h" 26 #include "tensorflow/core/runtime_fallback/runtime/kernel_utils.h" 27 #include "tfrt/core_runtime/op_attrs.h" // from @tf_runtime 28 #include "tfrt/host_context/async_value.h" // from @tf_runtime 29 #include "tfrt/host_context/chain.h" // from @tf_runtime 30 #include "tfrt/host_context/execution_context.h" // from @tf_runtime 31 #include "tfrt/host_context/shared_context.h" // from @tf_runtime 32 #include "tfrt/tensor/tensor.h" // from @tf_runtime 33 34 namespace tensorflow { 35 namespace tfd { 36 37 // Injecting TF resources to TFRT GPU resource maps for tfrt::GpuOpHandler to 38 // use.s 39 Status InjectTfGpuResources(); 40 41 // Create an EagerOperation to run the op, taking tensorflow::TensorHandle and 42 // returning tensorflow::AbstractTensorHandle*. 43 Status CallEagerExecute(const tfrt::ExecutionContext& exec_ctx, 44 EagerContext* eager_ctx, const char* op_name, 45 const char* device_name, 46 llvm::ArrayRef<TensorHandle*> input_tensor_handles, 47 const tfrt::OpAttrsRef& attrs, 48 llvm::MutableArrayRef<tensorflow::AbstractTensorHandle*> 49 result_tensor_handles); 50 51 // Take and return RuntimeFallbackTensors. 52 tfrt::AsyncValueRef<tfrt::Chain> RuntimeFallbackExecute( 53 const tfrt::ExecutionContext& exec_ctx, const char* op_name, 54 const char* device_name, tfrt::ArrayRef<tfrt::Tensor*> arguments, 55 const tfrt::OpAttrsRef& attrs, 56 tfrt::MutableArrayRef<tfrt::RCReference<tfrt::AsyncValue>> results); 57 58 } // namespace tfd 59 } // namespace tensorflow 60 61 #endif // TENSORFLOW_CORE_RUNTIME_FALLBACK_RUNTIME_RUNTIME_FALLBACK_KERNELS_H_ 62