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paddlepaddle--paddle/paddle/fluid/inference/tensorrt/convert/range_op.cc
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2026-07-13 12:40:42 +08:00

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/* Copyright (c) 2022 PaddlePaddle Authors. 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 "paddle/fluid/inference/tensorrt/convert/op_converter.h"
namespace paddle::inference::tensorrt {
class RangeOpConverter : public OpConverter {
public:
void operator()(const framework::proto::OpDesc& op,
const framework::Scope& scope,
bool test_mode) override {
VLOG(3) << "convert a range op to tensorrt layer";
framework::OpDesc op_desc(op, nullptr);
nvinfer1::ILayer* layer = nullptr;
nvinfer1::ITensor* quotient_tensor;
// Declare inputs
auto* start = engine_->GetITensor(op_desc.Input("Start")[0]);
auto* end = engine_->GetITensor(op_desc.Input("End")[0]);
auto* step = engine_->GetITensor(op_desc.Input("Step")[0]);
auto output_name = op_desc.Output("Out")[0];
auto zero_tensor = Add1DConstantLayer(0, output_name + "_zero_tensor_");
auto f_quotient_tensor = FloorDiv(Sub(start, end), step);
if (start->getType() == nvinfer1::DataType::kFLOAT) {
auto* cast_int32_layer =
TRT_ENGINE_ADD_LAYER(engine_, Identity, *f_quotient_tensor);
cast_int32_layer->setOutputType(0, nvinfer1::DataType::kINT32);
cast_int32_layer->getOutput(0)->setType(nvinfer1::DataType::kINT32);
quotient_tensor = cast_int32_layer->getOutput(0);
} else {
quotient_tensor = f_quotient_tensor;
}
auto number_tensor = Max(Sub(zero_tensor, quotient_tensor), zero_tensor);
auto* start1 = engine_->GetITensor(op_desc.Input("Start")[0]);
nvinfer1::Dims start_dims{0, {1}};
start1 = Reshape(start1, start_dims);
layer = TRT_ENGINE_ADD_LAYER(
engine_, Fill, nvinfer1::Dims{}, nvinfer1::FillOperation::kLINSPACE);
layer->setInput(0, *number_tensor);
layer->setInput(1, *start1);
layer->setInput(2, *step);
ReplenishLayerAndOutput(layer, "range", {output_name}, test_mode);
}
};
} // namespace paddle::inference::tensorrt
REGISTER_TRT_OP_CONVERTER(range, RangeOpConverter);