1 /* Copyright 2016 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 #include "tensorflow/core/framework/op_kernel.h" 17 #include "tensorflow/core/framework/register_types.h" 18 #include "tensorflow/core/framework/resource_mgr.h" 19 #include "tensorflow/core/framework/summary.pb.h" 20 #include "tensorflow/core/framework/tensor.pb.h" 21 #include "tensorflow/core/lib/core/errors.h" 22 #include "tensorflow/core/platform/logging.h" 23 #include "tensorflow/core/platform/protobuf.h" 24 25 namespace tensorflow { 26 27 template <typename T> 28 class SummaryTensorOpV2 : public OpKernel { 29 public: 30 explicit SummaryTensorOpV2(OpKernelConstruction* context) 31 : OpKernel(context) {} 32 33 void Compute(OpKernelContext* c) override { 34 const Tensor& tag = c->input(0); 35 OP_REQUIRES(c, IsLegacyScalar(tag.shape()), 36 errors::InvalidArgument("tag must be scalar")); 37 const Tensor& tensor = c->input(1); 38 const Tensor& serialized_summary_metadata_tensor = c->input(2); 39 40 Summary s; 41 Summary::Value* v = s.add_value(); 42 v->set_tag(tag.scalar<string>()()); 43 44 if (tensor.dtype() == DT_STRING) { 45 // tensor_util.makeNdarray doesn't work for strings in tensor_content 46 tensor.AsProtoField(v->mutable_tensor()); 47 } else { 48 tensor.AsProtoTensorContent(v->mutable_tensor()); 49 } 50 51 v->mutable_metadata()->ParseFromString( 52 serialized_summary_metadata_tensor.scalar<string>()()); 53 54 Tensor* summary_tensor = nullptr; 55 OP_REQUIRES_OK(c, c->allocate_output(0, TensorShape({}), &summary_tensor)); 56 CHECK(s.SerializeToString(&summary_tensor->scalar<string>()())); 57 } 58 }; 59 60 #define REGISTER(T) \ 61 REGISTER_KERNEL_BUILDER( \ 62 Name("TensorSummaryV2").Device(DEVICE_CPU).TypeConstraint<T>("T"), \ 63 SummaryTensorOpV2<T>); 64 65 TF_CALL_ALL_TYPES(REGISTER) 66 67 #undef REGISTER 68 69 // NOTE(chizeng): We are phasing out the use of SummaryTensorOp in favor of 70 // SummaryTensorOpV2. This is because SummaryTensorOpV2 allows the callers to 71 // pass a tag (more consistent with other summaries) as well as serialized 72 // summary metadata used by plugins (which lets TensorBoard determine which 73 // events are relevant to which plugins). 74 template <typename T> 75 class SummaryTensorOp : public OpKernel { 76 public: 77 explicit SummaryTensorOp(OpKernelConstruction* context) : OpKernel(context) {} 78 79 void Compute(OpKernelContext* c) override { 80 const Tensor& tensor = c->input(0); 81 82 Summary s; 83 Summary::Value* v = s.add_value(); 84 v->set_node_name(c->op_kernel().name()); 85 86 if (tensor.dtype() == DT_STRING) { 87 // tensor_util.makeNdarray doesn't work for strings in tensor_content 88 tensor.AsProtoField(v->mutable_tensor()); 89 } else { 90 tensor.AsProtoTensorContent(v->mutable_tensor()); 91 } 92 93 Tensor* summary_tensor = nullptr; 94 OP_REQUIRES_OK(c, c->allocate_output(0, TensorShape({}), &summary_tensor)); 95 CHECK(s.SerializeToString(&summary_tensor->scalar<string>()())); 96 } 97 }; 98 99 #define REGISTER(T) \ 100 REGISTER_KERNEL_BUILDER( \ 101 Name("TensorSummary").Device(DEVICE_CPU).TypeConstraint<T>("T"), \ 102 SummaryTensorOp<T>); 103 104 TF_CALL_ALL_TYPES(REGISTER) 105 106 #undef REGISTER 107 108 } // namespace tensorflow 109
