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a0f8970856
As the next step in the codegen experiment, we want to generate the invoke calls for each layer. This is slightly challenging with the existing sources, as kernels only expose a registration function, not their individual Eval functions. In an effort to keep the code churn to a minimum, this PR introduces an inference only registration structure and function. It includes just two function pointers: invoke and reset. For this CL, we've only introduced it for FullyConnected. In the code generator, this PR creates a new op_table array in the generated source, with an enum for lookup. It also generates an invoke function for each subgraph, that calls each operator's invoke function. BUG=295174388
38 lines
1.7 KiB
C
38 lines
1.7 KiB
C
/* Copyright 2023 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 THIRD_PARTY_TFLITE_MICRO_TENSORFLOW_LITE_MICRO_MICRO_COMMON_H_
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#define THIRD_PARTY_TFLITE_MICRO_TENSORFLOW_LITE_MICRO_MICRO_COMMON_H_
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#include "tensorflow/lite/c/common.h"
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// TFLMRegistration defines the API that TFLM kernels need to implement.
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// This will be replacing the current TfLiteRegistration_V1 struct with
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// something more compatible Embedded enviroment TFLM is used in.
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struct TFLMRegistration {
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void* (*init)(TfLiteContext* context, const char* buffer, size_t length);
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void (*free)(TfLiteContext* context, void* buffer);
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TfLiteStatus (*prepare)(TfLiteContext* context, TfLiteNode* node);
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TfLiteStatus (*invoke)(TfLiteContext* context, TfLiteNode* node);
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void (*reset)(TfLiteContext* context, void* buffer);
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int32_t builtin_code;
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const char* custom_name;
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};
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struct TFLMInferenceRegistration {
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TfLiteStatus (*invoke)(TfLiteContext* context, TfLiteNode* node);
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void (*reset)(TfLiteContext* context, void* buffer);
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};
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#endif // THIRD_PARTY_TFLITE_MICRO_TENSORFLOW_LITE_MICRO_MICRO_COMMON_H_
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