add cpp trt (#479)

deploy/cpp_infer/include/cls.h

@@ -40,13 +40,16 @@ public:
                       const std::string &params_path, 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 &resize_short_size,
+                      const bool &use_mkldnn, const bool &use_tensorrt,
+                      const bool &use_fp16, const int &resize_short_size,
                       const int &crop_size) {
     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_tensorrt_ = use_tensorrt;
+    this->use_fp16_ = use_fp16;
 
     this->resize_short_size_ = resize_short_size;
     this->crop_size_ = crop_size;
@@ -68,6 +71,8 @@ private:
   int gpu_mem_ = 4000;
   int cpu_math_library_num_threads_ = 4;
   bool use_mkldnn_ = false;
+  bool use_tensorrt_ = false;
+  bool use_fp16_ = false;
 
   std::vector<float> mean_ = {0.485f, 0.456f, 0.406f};
   std::vector<float> scale_ = {1 / 0.229f, 1 / 0.224f, 1 / 0.225f};

deploy/cpp_infer/include/cls_config.h

@@ -41,6 +41,9 @@ public:
 
     this->use_mkldnn = bool(stoi(config_map_["use_mkldnn"]));
 
+    this->use_tensorrt = bool(stoi(config_map_["use_tensorrt"]));
+    this->use_fp16 = bool(stoi(config_map_["use_fp16"]));
+
     this->cls_model_path.assign(config_map_["cls_model_path"]);
 
     this->cls_params_path.assign(config_map_["cls_params_path"]);
@@ -60,6 +63,9 @@ public:
 
   bool use_mkldnn = false;
 
+  bool use_tensorrt = false;
+  bool use_fp16 = false;
+
   std::string cls_model_path;
 
   std::string cls_params_path;

deploy/cpp_infer/readme.md

@@ -175,7 +175,7 @@ cmake .. \
     -DDEMO_NAME=clas_system \
     -DWITH_GPU=OFF \
     -DWITH_STATIC_LIB=OFF \
-    -DUSE_TENSORRT=OFF \
+    -DWITH_TENSORRT=OFF \
     -DOPENCV_DIR=${OPENCV_DIR} \
     -DCUDNN_LIB=${CUDNN_LIB_DIR} \
     -DCUDA_LIB=${CUDA_LIB_DIR} \

deploy/cpp_infer/readme_en.md

@@ -183,7 +183,7 @@ cmake .. \
     -DDEMO_NAME=ocr_system \
     -DWITH_GPU=OFF \
     -DWITH_STATIC_LIB=OFF \
-    -DUSE_TENSORRT=OFF \
+    -DWITH_TENSORRT=OFF \
     -DOPENCV_DIR=${OPENCV_DIR} \
     -DCUDNN_LIB=${CUDNN_LIB_DIR} \
     -DCUDA_LIB=${CUDA_LIB_DIR} \

deploy/cpp_infer/src/cls.cpp

@@ -23,6 +23,13 @@ void Classifier::LoadModel(const std::string &model_path,
 
   if (this->use_gpu_) {
     config.EnableUseGpu(this->gpu_mem_, this->gpu_id_);
+    if (this->use_tensorrt_) {
+      config.EnableTensorRtEngine(
+          1 << 20, 1, 3,
+          this->use_fp16_ ? paddle_infer::Config::Precision::kHalf
+                          : paddle_infer::Config::Precision::kFloat32,
+          false, false);
+    }
   } else {
     config.DisableGpu();
     if (this->use_mkldnn_) {

deploy/cpp_infer/src/main.cpp

@@ -62,6 +62,7 @@ int main(int argc, char **argv) {
   Classifier classifier(config.cls_model_path, config.cls_params_path,
                         config.use_gpu, config.gpu_id, config.gpu_mem,
                         config.cpu_math_library_num_threads, config.use_mkldnn,
+                        config.use_tensorrt, config.use_fp16,
                         config.resize_short_size, config.crop_size);
 
   double elapsed_time = 0.0;

deploy/cpp_infer/tools/config.txt

@@ -4,6 +4,8 @@ gpu_id  0
 gpu_mem  4000
 cpu_math_library_num_threads  10
 use_mkldnn 1
+use_tensorrt 0
+use_fp16 0
 
 # cls config
 cls_model_path  /PaddleClas/inference/cls_infer.pdmodel