diff options
Diffstat (limited to 'compiler/enco/frontend/tflite/src/Op/Div.cpp')
-rw-r--r-- | compiler/enco/frontend/tflite/src/Op/Div.cpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/compiler/enco/frontend/tflite/src/Op/Div.cpp b/compiler/enco/frontend/tflite/src/Op/Div.cpp new file mode 100644 index 000000000..6b71be2e6 --- /dev/null +++ b/compiler/enco/frontend/tflite/src/Op/Div.cpp @@ -0,0 +1,116 @@ +/* + * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "Div.h" + +#include "Convert.h" +#include "IRBuilder.h" +#include "GraphBuilder.h" +#include "Padding.h" +#include "Activation.h" + +#include <morph/tflite.h> +#include <coco/IR/Module.h> +#include <coco/IR/FeatureLayouts.h> + +#include <nncc/core/ADT/tensor/Shape.h> +#include <schema_generated.h> + +#include <cassert> + +using namespace nncc::core::ADT; +using namespace morph::tflite; + +namespace tflimport +{ + +void DivGraphBuilder::build(const tflite::Operator *op, GraphBuilderContext *context) const +{ + assert(context != nullptr); + + coco::Module *m = context->m(); + coco::Block *blk = context->block(); + TensorContext &tensor_context = context->tensor(); + TensorBags &bags = context->bags(); + + IndexVector opinputs = as_index_vector(op->inputs()); + IndexVector opoutputs = as_index_vector(op->outputs()); + + // these are fixed in tflite + // input index 0 : numerator + // input index 1 : denominator + // output index 0 : result + assert(opinputs.size() == 2); + assert(opoutputs.size() == 1); + + tflite::ActivationFunctionType activation; + if (auto *options = op->builtin_options_as_DivOptions()) + { + activation = options->fused_activation_function(); + } + else + { + activation = tflite::ActivationFunctionType_NONE; + } + + // TODO activation, e.g. ReLU + assert(activation == tflite::ActivationFunctionType_NONE); + + auto num_idx = opinputs.at(0); + auto denom_idx = opinputs.at(1); + auto out_idx = opoutputs.at(0); + + const tensor::Shape &num_shape = tensor_context.shape(num_idx); + const tensor::Shape &denom_shape = tensor_context.shape(denom_idx); + const tensor::Shape &out_shape = tensor_context.shape(out_idx); + + // TODO Now input/output assumes Feature map, but Div should support generic object type + // Create an object for an input + auto *num_obj = m->entity()->object()->create<coco::FeatureObject>(); + auto *num_bag = bags.bag(num_idx); + num_obj->bag(num_bag); + num_obj->layout(coco::FeatureLayouts::BHWC::create(as_feature_shape(num_shape))); + + auto *denom_obj = m->entity()->object()->create<coco::FeatureObject>(); + auto *denom_bag = bags.bag(denom_idx); + denom_obj->bag(denom_bag); + denom_obj->layout(coco::FeatureLayouts::BHWC::create(as_feature_shape(denom_shape))); + + // Create an object for an output + auto *out_obj = m->entity()->object()->create<coco::FeatureObject>(); + auto *out_bag = bags.bag(out_idx); + out_obj->bag(out_bag); + out_obj->layout(coco::FeatureLayouts::BHWC::create(as_feature_shape(out_shape))); + + // Create a Load ops for each input + auto coco_load_num = op_builder(m).load(num_obj).pop(); + auto coco_load_denom = op_builder(m).load(denom_obj).pop(); + + // Create a Div op + auto coco_div = m->entity()->op()->create<coco::Div>(); + + // Link ops + coco_div->left(coco_load_num); + coco_div->right(coco_load_denom); + + // Create an Eval instruction + auto eval_ins = instr_builder(m).eval(out_obj, coco_div); + + // Append the instruction to the block + blk->instr()->append(eval_ins); +} + +} // namespace tflimport |