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Paddle/paddle/fluid/inference/tests/api/analyzer_text_classificatio...

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// Copyright (c) 2018 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/tests/api/tester_helper.h"
namespace paddle {
namespace inference {
struct DataReader {
explicit DataReader(const std::string &path)
: file(new std::ifstream(path)) {}
bool NextBatch(std::vector<PaddleTensor> *input, int batch_size) {
PADDLE_ENFORCE_EQ(batch_size, 1);
std::string line;
PaddleTensor tensor;
tensor.dtype = PaddleDType::INT64;
tensor.lod.emplace_back(std::vector<size_t>({0}));
std::vector<int64_t> data;
for (int i = 0; i < batch_size; i++) {
if (!std::getline(*file, line)) return false;
inference::split_to_int64(line, ' ', &data);
}
tensor.lod.front().push_back(data.size());
tensor.data.Resize(data.size() * sizeof(int64_t));
memcpy(tensor.data.data(), data.data(), data.size() * sizeof(int64_t));
tensor.shape.push_back(data.size());
tensor.shape.push_back(1);
input->assign({tensor});
return true;
}
std::unique_ptr<std::ifstream> file;
};
void Main(int batch_size) {
// shape --
// Create Predictor --
AnalysisConfig config;
config.model_dir = FLAGS_infer_model;
config.use_gpu = false;
config.enable_ir_optim = true;
std::vector<PaddleTensor> input_slots, output_slots;
DataReader reader(FLAGS_infer_data);
std::vector<std::vector<PaddleTensor>> input_slots_all;
if (FLAGS_test_all_data) {
LOG(INFO) << "test all data";
int num_batches = 0;
while (reader.NextBatch(&input_slots, FLAGS_batch_size)) {
input_slots_all.emplace_back(input_slots);
++num_batches;
}
LOG(INFO) << "total number of samples: " << num_batches * FLAGS_batch_size;
TestPrediction(config, input_slots_all, &output_slots, FLAGS_num_threads);
return;
}
// one batch starts
// data --
reader.NextBatch(&input_slots, FLAGS_batch_size);
input_slots_all.emplace_back(input_slots);
TestPrediction(config, input_slots_all, &output_slots, FLAGS_num_threads);
// Get output
LOG(INFO) << "get outputs " << output_slots.size();
for (auto &output : output_slots) {
LOG(INFO) << "output.shape: " << to_string(output.shape);
// no lod ?
CHECK_EQ(output.lod.size(), 0UL);
LOG(INFO) << "output.dtype: " << output.dtype;
std::stringstream ss;
for (int i = 0; i < 5; i++) {
ss << static_cast<float *>(output.data.data())[i] << " ";
}
LOG(INFO) << "output.data summary: " << ss.str();
// one batch ends
}
}
TEST(text_classification, basic) { Main(FLAGS_batch_size); }
} // namespace inference
} // namespace paddle