打开TensorRT不使用动态Shape的情况下 识别速度越来越慢 about paddleocr HOT 2 OPEN

PPOCR *ocrRun;
//OCR初始化
void ocrInit(int argc, char **argv)
{
  google::ParseCommandLineFlags(&argc, &argv, true);
  check_params(); //检测ocr配置
  ocrRun = new PPOCR();
}
//OCR一次
int ocr_once (cv::Mat ocrimg , Ui::MainWindow *ui)
{

  if (ocrimg.empty()) {
    std::cerr << "[ERROR] image inexistence! "
              << std::endl;
    return 0;
   // exit(1);
  }

  if (!Utility::PathExists(FLAGS_output)) {
    Utility::CreateDir(FLAGS_output);
  }
  if (FLAGS_type == "ocr") {
    std::vector<OCRPredictResult> ocr_results =
          ocrRun->ocr(ocrimg, FLAGS_det, FLAGS_rec, FLAGS_cls); //*OCR

    Utility::print_result(ocr_results);         //printf
    //print_result_recUi(ocr_results ,ui);


    if (FLAGS_visualize && FLAGS_det) {

      cv::Mat srcimg = ocrimg;
      QDateTime current_date_time =QDateTime::currentDateTime();
      std::string current_date_name = (QString("%1-%2-%3-%4-%5-%6").arg(current_date_time.date().year()).arg(current_date_time.date().month())
                                          .arg(current_date_time.date().day()).arg(current_date_time.time().hour())
                                          .arg(current_date_time.time().minute()).arg(current_date_time.time().msec())).toStdString();

      Utility::VisualizeBboxes(srcimg, ocr_results,     //画框 并 保存
                               FLAGS_output + "/" + current_date_name + ".jpg");

      return 1;
    }
  }
  return 0;
}

In PP-OCRv3, rec_image_shape parameter defaults to '3, 48, 320',if you are using recognition model with PP-OCRv2 or an older version, please set --rec_image_shape='3,32,320
WARNING: Logging before InitGoogleLogging() is written to STDERR
I0606 13:33:05.597819 10352 analysis_config.cc:1539] In CollectShapeInfo mode, we will disable optimizations and collect the shape information of all intermediate tensors in the compute graph and calculate the min_shape, max_shape and opt_shape.
I0606 13:33:06.436725 10352 analysis_predictor.cc:1532] TensorRT subgraph engine is enabled
I0606 13:33:06.436725 10352 analysis_predictor.cc:1740] Ir optimization is turned off, no ir pass will be executed.
e[1me[35m--- Running analysis [ir_graph_build_pass]e[0m
I0606 13:33:06.440716 10352 executor.cc:187] Old Executor is Running.
e[1me[35m--- Running analysis [ir_analysis_pass]e[0m
e[1me[35m--- Running analysis [save_optimized_model_pass]e[0m
e[1me[35m--- Running analysis [ir_params_sync_among_devices_pass]e[0m
I0606 13:33:06.454707 10352 ir_params_sync_among_devices_pass.cc:53] Sync params from CPU to GPU
e[1me[35m--- Running analysis [adjust_cudnn_workspace_size_pass]e[0m
e[1me[35m--- Running analysis [inference_op_replace_pass]e[0m
e[1me[35m--- Running analysis [memory_optimize_pass]e[0m
I0606 13:33:06.468638 10352 memory_optimize_pass.cc:118] The persistable params in main graph are : 4.47025MB
I0606 13:33:06.474623 10352 memory_optimize_pass.cc:246] Cluster name : tmp_85  size: 1536
I0606 13:33:06.474623 10352 memory_optimize_pass.cc:246] Cluster name : tmp_21  size: 192
I0606 13:33:06.474623 10352 memory_optimize_pass.cc:246] Cluster name : tmp_94  size: 1536
I0606 13:33:06.474623 10352 memory_optimize_pass.cc:246] Cluster name : tmp_118  size: 96
I0606 13:33:06.474623 10352 memory_optimize_pass.cc:246] Cluster name : relu_1.tmp_0  size: 384
I0606 13:33:06.474623 10352 memory_optimize_pass.cc:246] Cluster name : hardswish_79.tmp_0  size: 1536
I0606 13:33:06.474623 10352 memory_optimize_pass.cc:246] Cluster name : tmp_35  size: 384
I0606 13:33:06.474623 10352 memory_optimize_pass.cc:246] Cluster name : tmp_73  size: 768
I0606 13:33:06.474623 10352 memory_optimize_pass.cc:246] Cluster name : x  size: 12
e[1me[35m--- Running analysis [ir_graph_to_program_pass]e[0m
I0606 13:33:06.519503 10352 analysis_predictor.cc:1838] ======= optimize end =======
I0606 13:33:06.520501 10352 naive_executor.cc:200] ---  skip [feed], feed -> x
I0606 13:33:06.522496 10352 naive_executor.cc:200] ---  skip [sigmoid_0.tmp_0], fetch -> fetch
In PP-OCRv3, default rec_img_h is 48,if you use other model, you should set the param rec_img_h=32
I0606 13:33:06.523494 10352 analysis_config.cc:1539] In CollectShapeInfo mode, we will disable optimizations and collect the shape information of all intermediate tensors in the compute graph and calculate the min_shape, max_shape and opt_shape.
I0606 13:33:06.530472 10352 analysis_predictor.cc:1740] Ir optimization is turned off, no ir pass will be executed.
e[1me[35m--- Running analysis [ir_graph_build_pass]e[0m
e[1me[35m--- Running analysis [ir_analysis_pass]e[0m
e[1me[35m--- Running analysis [save_optimized_model_pass]e[0m
e[1me[35m--- Running analysis [ir_params_sync_among_devices_pass]e[0m
I0606 13:33:06.554409 10352 ir_params_sync_among_devices_pass.cc:53] Sync params from CPU to GPU
e[1me[35m--- Running analysis [adjust_cudnn_workspace_size_pass]e[0m
e[1me[35m--- Running analysis [inference_op_replace_pass]e[0m
e[1me[35m--- Running analysis [memory_optimize_pass]e[0m
I0606 13:33:06.578346 10352 memory_optimize_pass.cc:118] The persistable params in main graph are : 10.2689MB
I0606 13:33:06.584360 10352 memory_optimize_pass.cc:246] Cluster name : linear_170.tmp_1  size: 26500
I0606 13:33:06.584360 10352 memory_optimize_pass.cc:246] Cluster name : shape_5.tmp_0_slice_1  size: 4
I0606 13:33:06.584360 10352 memory_optimize_pass.cc:246] Cluster name : conv2d_198.tmp_1  size: 11520
I0606 13:33:06.584360 10352 memory_optimize_pass.cc:246] Cluster name : linear_170.tmp_0  size: 26500
I0606 13:33:06.584360 10352 memory_optimize_pass.cc:246] Cluster name : pool2d_3.tmp_0_clone_0  size: 1920
I0606 13:33:06.584360 10352 memory_optimize_pass.cc:246] Cluster name : batch_norm_5.tmp_0  size: 1920
I0606 13:33:06.584360 10352 memory_optimize_pass.cc:246] Cluster name : x  size: 576
I0606 13:33:06.584360 10352 memory_optimize_pass.cc:246] Cluster name : transpose_44.tmp_0_slice_2  size: 480
I0606 13:33:06.584360 10352 memory_optimize_pass.cc:246] Cluster name : fill_constant_17.tmp_0  size: 4
I0606 13:33:06.584360 10352 memory_optimize_pass.cc:246] Cluster name : fill_constant_19.tmp_0  size: 4
I0606 13:33:06.584360 10352 memory_optimize_pass.cc:246] Cluster name : shape_3.tmp_0_slice_1  size: 4
I0606 13:33:06.584360 10352 memory_optimize_pass.cc:246] Cluster name : reshape2_27.tmp_1  size: 0
e[1me[35m--- Running analysis [ir_graph_to_program_pass]e[0m
I0606 13:33:06.629241 10352 analysis_predictor.cc:1838] ======= optimize end =======
I0606 13:33:06.629241 10352 naive_executor.cc:200] ---  skip [feed], feed -> x
I0606 13:33:06.631232 10352 naive_executor.cc:200] ---  skip [softmax_11.tmp_0], fetch -> fetch