Merge pull request #592 from littletomatodonkey/fix_predictor_run

replace zero_copy_run to run for memory leak

deploy/cpp_infer/include/config.h

@@ -41,6 +41,8 @@ public:
 
     this->use_mkldnn = bool(stoi(config_map_["use_mkldnn"]));
 
+    this->use_zero_copy_run = bool(stoi(config_map_["use_zero_copy_run"]));
+
     this->max_side_len = stoi(config_map_["max_side_len"]);
 
     this->det_db_thresh = stod(config_map_["det_db_thresh"]);
@@ -68,6 +70,8 @@ public:
 
   bool use_mkldnn = false;
 
+  bool use_zero_copy_run = false;
+
   int max_side_len = 960;
 
   double det_db_thresh = 0.3;

deploy/cpp_infer/include/ocr_det.h

@@ -39,8 +39,8 @@ public:
   explicit DBDetector(const std::string &model_dir, const bool &use_gpu,
                       const int &gpu_id, const int &gpu_mem,
                       const int &cpu_math_library_num_threads,
-                      const bool &use_mkldnn, const int &max_side_len,
-                      const double &det_db_thresh,
+                      const bool &use_mkldnn, const bool &use_zero_copy_run,
+                      const int &max_side_len, const double &det_db_thresh,
                       const double &det_db_box_thresh,
                       const double &det_db_unclip_ratio,
                       const bool &visualize) {
@@ -49,6 +49,7 @@ public:
     this->gpu_mem_ = gpu_mem;
     this->cpu_math_library_num_threads_ = cpu_math_library_num_threads;
     this->use_mkldnn_ = use_mkldnn;
+    this->use_zero_copy_run_ = use_zero_copy_run;
 
     this->max_side_len_ = max_side_len;
 
@@ -75,6 +76,7 @@ private:
   int gpu_mem_ = 4000;
   int cpu_math_library_num_threads_ = 4;
   bool use_mkldnn_ = false;
+  bool use_zero_copy_run_ = false;
 
   int max_side_len_ = 960;
 

deploy/cpp_infer/include/ocr_rec.h

@@ -38,12 +38,14 @@ public:
   explicit CRNNRecognizer(const std::string &model_dir, const bool &use_gpu,
                           const int &gpu_id, const int &gpu_mem,
                           const int &cpu_math_library_num_threads,
-                          const bool &use_mkldnn, const string &label_path) {
+                          const bool &use_mkldnn, const bool &use_zero_copy_run,
+                          const string &label_path) {
     this->use_gpu_ = use_gpu;
     this->gpu_id_ = gpu_id;
     this->gpu_mem_ = gpu_mem;
     this->cpu_math_library_num_threads_ = cpu_math_library_num_threads;
     this->use_mkldnn_ = use_mkldnn;
+    this->use_zero_copy_run_ = use_zero_copy_run;
 
     this->label_list_ = Utility::ReadDict(label_path);
     this->label_list_.push_back(" ");
@@ -64,6 +66,7 @@ private:
   int gpu_mem_ = 4000;
   int cpu_math_library_num_threads_ = 4;
   bool use_mkldnn_ = false;
+  bool use_zero_copy_run_ = false;
 
   std::vector<std::string> label_list_;
 

deploy/cpp_infer/src/main.cpp

@@ -48,14 +48,15 @@ int main(int argc, char **argv) {
 
   cv::Mat srcimg = cv::imread(img_path, cv::IMREAD_COLOR);
 
-  DBDetector det(config.det_model_dir, config.use_gpu, config.gpu_id,
-                 config.gpu_mem, config.cpu_math_library_num_threads,
-                 config.use_mkldnn, config.max_side_len, config.det_db_thresh,
-                 config.det_db_box_thresh, config.det_db_unclip_ratio,
-                 config.visualize);
+  DBDetector det(
+      config.det_model_dir, config.use_gpu, config.gpu_id, config.gpu_mem,
+      config.cpu_math_library_num_threads, config.use_mkldnn,
+      config.use_zero_copy_run, config.max_side_len, config.det_db_thresh,
+      config.det_db_box_thresh, config.det_db_unclip_ratio, config.visualize);
   CRNNRecognizer rec(config.rec_model_dir, config.use_gpu, config.gpu_id,
                      config.gpu_mem, config.cpu_math_library_num_threads,
-                     config.use_mkldnn, config.char_list_file);
+                     config.use_mkldnn, config.use_zero_copy_run,
+                     config.char_list_file);
 
   auto start = std::chrono::system_clock::now();
   std::vector<std::vector<std::vector<int>>> boxes;

deploy/cpp_infer/src/ocr_det.cpp

@@ -31,7 +31,8 @@ void DBDetector::LoadModel(const std::string &model_dir) {
   }
 
   // false for zero copy tensor
-  config.SwitchUseFeedFetchOps(false);
+  // true for commom tensor
+  config.SwitchUseFeedFetchOps(!this->use_zero_copy_run_);
   // true for multiple input
   config.SwitchSpecifyInputNames(true);
 
@@ -59,12 +60,22 @@ void DBDetector::Run(cv::Mat &img,
   std::vector<float> input(1 * 3 * resize_img.rows * resize_img.cols, 0.0f);
   this->permute_op_.Run(&resize_img, input.data());
 
+  // Inference.
+  if (this->use_zero_copy_run_) {
     auto input_names = this->predictor_->GetInputNames();
     auto input_t = this->predictor_->GetInputTensor(input_names[0]);
     input_t->Reshape({1, 3, resize_img.rows, resize_img.cols});
     input_t->copy_from_cpu(input.data());
-
     this->predictor_->ZeroCopyRun();
+  } else {
+    paddle::PaddleTensor input_t;
+    input_t.shape = {1, 3, resize_img.rows, resize_img.cols};
+    input_t.data =
+        paddle::PaddleBuf(input.data(), input.size() * sizeof(float));
+    input_t.dtype = PaddleDType::FLOAT32;
+    std::vector<paddle::PaddleTensor> outputs;
+    this->predictor_->Run({input_t}, &outputs, 1);
+  }
 
   std::vector<float> out_data;
   auto output_names = this->predictor_->GetOutputNames();

deploy/cpp_infer/src/ocr_rec.cpp

@@ -39,18 +39,29 @@ void CRNNRecognizer::Run(std::vector<std::vector<std::vector<int>>> boxes,
 
     this->permute_op_.Run(&resize_img, input.data());
 
+    // Inference.
+    if (this->use_zero_copy_run_) {
       auto input_names = this->predictor_->GetInputNames();
       auto input_t = this->predictor_->GetInputTensor(input_names[0]);
       input_t->Reshape({1, 3, resize_img.rows, resize_img.cols});
       input_t->copy_from_cpu(input.data());
-
       this->predictor_->ZeroCopyRun();
+    } else {
+      paddle::PaddleTensor input_t;
+      input_t.shape = {1, 3, resize_img.rows, resize_img.cols};
+      input_t.data =
+          paddle::PaddleBuf(input.data(), input.size() * sizeof(float));
+      input_t.dtype = PaddleDType::FLOAT32;
+      std::vector<paddle::PaddleTensor> outputs;
+      this->predictor_->Run({input_t}, &outputs, 1);
+    }
 
     std::vector<int64_t> rec_idx;
     auto output_names = this->predictor_->GetOutputNames();
     auto output_t = this->predictor_->GetOutputTensor(output_names[0]);
     auto rec_idx_lod = output_t->lod();
     auto shape_out = output_t->shape();
+
     int out_num = std::accumulate(shape_out.begin(), shape_out.end(), 1,
                                   std::multiplies<int>());
 
@@ -120,7 +131,8 @@ void CRNNRecognizer::LoadModel(const std::string &model_dir) {
   }
 
   // false for zero copy tensor
-  config.SwitchUseFeedFetchOps(false);
+  // true for commom tensor
+  config.SwitchUseFeedFetchOps(!this->use_zero_copy_run_);
   // true for multiple input
   config.SwitchSpecifyInputNames(true);
 

deploy/cpp_infer/tools/config.txt

@@ -4,6 +4,7 @@ gpu_id  0
 gpu_mem  4000
 cpu_math_library_num_threads  10
 use_mkldnn 0
+use_zero_copy_run 1
 
 # det config
 max_side_len  960

tools/infer/predict_det.py

@@ -17,28 +17,32 @@ __dir__ = os.path.dirname(os.path.abspath(__file__))
 sys.path.append(__dir__)
 sys.path.append(os.path.abspath(os.path.join(__dir__, '../..')))
 
+import cv2
+import copy
+import numpy as np
+import math
+import time
+import sys
+
+import paddle.fluid as fluid
+
 import tools.infer.utility as utility
 from ppocr.utils.utility import initial_logger
 logger = initial_logger()
 from ppocr.utils.utility import get_image_file_list, check_and_read_gif
-import cv2
 from ppocr.data.det.sast_process import SASTProcessTest
 from ppocr.data.det.east_process import EASTProcessTest
 from ppocr.data.det.db_process import DBProcessTest
 from ppocr.postprocess.db_postprocess import DBPostProcess
 from ppocr.postprocess.east_postprocess import EASTPostPocess
 from ppocr.postprocess.sast_postprocess import SASTPostProcess
-import copy
-import numpy as np
-import math
-import time
-import sys
 
 
 class TextDetector(object):
     def __init__(self, args):
         max_side_len = args.det_max_side_len
         self.det_algorithm = args.det_algorithm
+        self.use_zero_copy_run = args.use_zero_copy_run
         preprocess_params = {'max_side_len': max_side_len}
         postprocess_params = {}
         if self.det_algorithm == "DB":
@@ -135,8 +139,12 @@ class TextDetector(object):
             return None, 0
         im = im.copy()
         starttime = time.time()
+        if self.use_zero_copy_run:
             self.input_tensor.copy_from_cpu(im)
             self.predictor.zero_copy_run()
+        else:
+            im = fluid.core.PaddleTensor(im)
+            self.predictor.run([im])
         outputs = []
         for output_tensor in self.output_tensors:
             output = output_tensor.copy_to_cpu()

tools/infer/predict_rec.py

@@ -17,15 +17,18 @@ __dir__ = os.path.dirname(os.path.abspath(__file__))
 sys.path.append(__dir__)
 sys.path.append(os.path.abspath(os.path.join(__dir__, '../..')))
 
-import tools.infer.utility as utility
-from ppocr.utils.utility import initial_logger
-logger = initial_logger()
-from ppocr.utils.utility import get_image_file_list, check_and_read_gif
 import cv2
 import copy
 import numpy as np
 import math
 import time
+
+import paddle.fluid as fluid
+
+import tools.infer.utility as utility
+from ppocr.utils.utility import initial_logger
+logger = initial_logger()
+from ppocr.utils.utility import get_image_file_list, check_and_read_gif
 from ppocr.utils.character import CharacterOps
 
 
@@ -37,6 +40,7 @@ class TextRecognizer(object):
         self.character_type = args.rec_char_type
         self.rec_batch_num = args.rec_batch_num
         self.rec_algorithm = args.rec_algorithm
+        self.use_zero_copy_run = args.use_zero_copy_run
         char_ops_params = {
             "character_type": args.rec_char_type,
             "character_dict_path": args.rec_char_dict_path,
@@ -102,8 +106,12 @@ class TextRecognizer(object):
             norm_img_batch = np.concatenate(norm_img_batch)
             norm_img_batch = norm_img_batch.copy()
             starttime = time.time()
+            if self.use_zero_copy_run:
                 self.input_tensor.copy_from_cpu(norm_img_batch)
                 self.predictor.zero_copy_run()
+            else:
+                norm_img_batch = fluid.core.PaddleTensor(norm_img_batch)
+                self.predictor.run([norm_img_batch])
 
             if self.loss_type == "ctc":
                 rec_idx_batch = self.output_tensors[0].copy_to_cpu()

tools/infer/utility.py

@@ -71,6 +71,7 @@ def parse_args():
         default="./ppocr/utils/ppocr_keys_v1.txt")
     parser.add_argument("--use_space_char", type=bool, default=True)
     parser.add_argument("--enable_mkldnn", type=bool, default=False)
+    parser.add_argument("--use_zero_copy_run", type=bool, default=False)
     return parser.parse_args()
 
 
@@ -105,9 +106,12 @@ def create_predictor(args, mode):
     #config.enable_memory_optim()
     config.disable_glog_info()
 
-    # use zero copy
+    if args.use_zero_copy_run:
         config.delete_pass("conv_transpose_eltwiseadd_bn_fuse_pass")
         config.switch_use_feed_fetch_ops(False)
+    else:
+        config.switch_use_feed_fetch_ops(True)
+
     predictor = create_paddle_predictor(config)
     input_names = predictor.get_input_names()
     input_tensor = predictor.get_input_tensor(input_names[0])