[Backend] cuda normalize and permute, cuda concat, optimized ppcls, ppdet & ppseg (#546)

* cuda normalize and permute, cuda concat

* add use cuda option for preprocessor

* ppyoloe use cuda normalize

* ppseg use cuda normalize

* add proclib cuda in processor base

* ppcls add use cuda preprocess api

* ppcls preprocessor set gpu id

* fix pybind

* refine ppcls preprocessing use gpu logic

* fdtensor device id is -1 by default

* refine assert message

Co-authored-by: heliqi <1101791222@qq.com>

fastdeploy/core/fd_tensor.cc

@@ -252,7 +252,8 @@ void FDTensor::FreeFn() {
   }
 }
 
-void FDTensor::CopyBuffer(void* dst, const void* src, size_t nbytes) {
+void FDTensor::CopyBuffer(void* dst, const void* src, size_t nbytes,
+                          const Device& device, bool is_pinned_memory) {
   if (device == Device::GPU) {
 #ifdef WITH_GPU
     FDASSERT(cudaMemcpy(dst, src, nbytes, cudaMemcpyDeviceToDevice) == 0,
@@ -295,7 +296,7 @@ FDTensor::FDTensor(const FDTensor& other)
     size_t nbytes = Nbytes();
     FDASSERT(ReallocFn(nbytes),
              "The FastDeploy FDTensor allocate memory error");
-    CopyBuffer(buffer_, other.buffer_, nbytes);
+    CopyBuffer(buffer_, other.buffer_, nbytes, device, is_pinned_memory);
   }
 }
 
@@ -325,7 +326,7 @@ FDTensor& FDTensor::operator=(const FDTensor& other) {
     } else {
       Resize(other.shape, other.dtype, other.name, other.device);
       size_t nbytes = Nbytes();
-      CopyBuffer(buffer_, other.buffer_, nbytes);
+      CopyBuffer(buffer_, other.buffer_, nbytes, device, is_pinned_memory);
     }
     external_data_ptr = other.external_data_ptr;
   }

fastdeploy/core/fd_tensor.h

@@ -39,6 +39,9 @@ struct FASTDEPLOY_DECL FDTensor {
   // GPU to inference the model
   // so we can skip data transfer, which may improve the efficience
   Device device = Device::CPU;
+  // By default the device id of FDTensor is -1, which means this value is
+  // invalid, and FDTensor is using the same device id as Runtime.
+  int device_id = -1;
 
   // Whether the data buffer is in pinned memory, which is allocated
   // with cudaMallocHost()
@@ -130,8 +133,9 @@ struct FASTDEPLOY_DECL FDTensor {
 
   ~FDTensor() { FreeFn(); }
 
- private:
-  void CopyBuffer(void* dst, const void* src, size_t nbytes);
+  static void CopyBuffer(void* dst, const void* src, size_t nbytes,
+                         const Device& device = Device::CPU,
+                        bool is_pinned_memory = false);
 };
 
 }  // namespace fastdeploy

fastdeploy/function/concat.cc

@@ -85,8 +85,9 @@ struct ConcatFunctor {
       int64_t col_len = input_cols[j];
       const T* input_data = reinterpret_cast<const T*>(input[j].Data());
       for (int64_t k = 0; k < out_rows; ++k) {
-        std::memcpy(output_data + k * out_cols + col_idx,
-                    input_data + k * col_len, sizeof(T) * col_len);
+        FDTensor::CopyBuffer(output_data + k * out_cols + col_idx,
+                             input_data + k * col_len, sizeof(T) * col_len,
+                             input[j].device, input[j].is_pinned_memory);
       }
       col_idx += col_len;
     }
@@ -97,7 +98,8 @@ template <typename T>
 void ConcatKernel(const std::vector<FDTensor>& input, FDTensor* output,
                   int axis) {
   auto output_shape = ComputeAndCheckConcatOutputShape(input, axis);
-  output->Allocate(output_shape, TypeToDataType<T>::dtype);
+  output->Resize(output_shape, TypeToDataType<T>::dtype, output->name,
+                 input[0].device);
 
   ConcatFunctor<T> functor;
   functor(input, axis, output);
@@ -115,10 +117,9 @@ void Concat(const std::vector<FDTensor>& x, FDTensor* out, int axis) {
   if (axis < 0) {
     axis += rank;
   }
-  FDTensor out_temp;
+
   FD_VISIT_ALL_TYPES(x[0].dtype, "Concat",
-                     ([&] { ConcatKernel<data_t>(x, &out_temp, axis); }));
-  *out = std::move(out_temp);
+                     ([&] { ConcatKernel<data_t>(x, out, axis); }));
 }
 
 }  // namespace function

fastdeploy/runtime.cc

@@ -568,6 +568,11 @@ std::vector<TensorInfo> Runtime::GetOutputInfos() {
 
 bool Runtime::Infer(std::vector<FDTensor>& input_tensors,
                     std::vector<FDTensor>* output_tensors) {
+  for (auto& tensor: input_tensors) {
+    FDASSERT(tensor.device_id < 0 || tensor.device_id == option.device_id,
+             "Device id of input tensor(%d) and runtime(%d) are not same.",
+             tensor.device_id, option.device_id);
+  }
   return backend_->Infer(input_tensors, output_tensors);
 }
 

fastdeploy/vision/classification/ppcls/ppcls_pybind.cc

@@ -28,6 +28,9 @@ void BindPaddleClas(pybind11::module& m) {
           pybind11::eval("raise Exception('Failed to preprocess the input data in PaddleClasPreprocessor.')");
         }
         return outputs;
+      })
+      .def("use_gpu", [](vision::classification::PaddleClasPreprocessor& self, int gpu_id = -1) {
+        self.UseGpu(gpu_id);
       });
 
   pybind11::class_<vision::classification::PaddleClasPostprocessor>(

fastdeploy/vision/classification/ppcls/preprocessor.cc

@@ -15,17 +15,22 @@
 #include "fastdeploy/vision/classification/ppcls/preprocessor.h"
 #include "fastdeploy/function/concat.h"
 #include "yaml-cpp/yaml.h"
+#ifdef WITH_GPU
+#include <cuda_runtime_api.h>
+#endif
 
 namespace fastdeploy {
 namespace vision {
 namespace classification {
 
 PaddleClasPreprocessor::PaddleClasPreprocessor(const std::string& config_file) {
-  FDASSERT(BuildPreprocessPipelineFromConfig(config_file), "Failed to create PaddleClasPreprocessor.");
+  FDASSERT(BuildPreprocessPipelineFromConfig(config_file),
+           "Failed to create PaddleClasPreprocessor.");
   initialized_ = true;
 }
 
-bool PaddleClasPreprocessor::BuildPreprocessPipelineFromConfig(const std::string& config_file) {
+bool PaddleClasPreprocessor::BuildPreprocessPipelineFromConfig(
+    const std::string& config_file) {
   processors_.clear();
   YAML::Node cfg;
   try {
@@ -73,6 +78,19 @@ bool PaddleClasPreprocessor::BuildPreprocessPipelineFromConfig(const std::string
   return true;
 }
 
+void PaddleClasPreprocessor::UseGpu(int gpu_id) {
+#ifdef WITH_GPU
+  use_cuda_ = true;
+  if (gpu_id < 0) return;
+  device_id_ = gpu_id;
+  cudaSetDevice(device_id_);
+#else
+  FDWARNING << "FastDeploy didn't compile with WITH_GPU. "
+            << "Will force to use CPU to run preprocessing." << std::endl;
+  use_cuda_ = false;
+#endif
+}
+
 bool PaddleClasPreprocessor::Run(std::vector<FDMat>* images, std::vector<FDTensor>* outputs) {
   if (!initialized_) {
     FDERROR << "The preprocessor is not initialized." << std::endl;
@@ -85,8 +103,15 @@ bool PaddleClasPreprocessor::Run(std::vector<FDMat>* images, std::vector<FDTenso
 
   for (size_t i = 0; i < images->size(); ++i) {
     for (size_t j = 0; j < processors_.size(); ++j) {
-      if (!(*(processors_[j].get()))(&((*images)[i]))) {
-        FDERROR << "Failed to processs image:" << i << " in " << processors_[i]->Name() << "." << std::endl;
+      bool ret = false;
+      if (processors_[j]->Name() == "NormalizeAndPermute" && use_cuda_) {
+        ret = (*(processors_[j].get()))(&((*images)[i]), ProcLib::CUDA);
+      } else {
+        ret = (*(processors_[j].get()))(&((*images)[i]));
+      }
+      if (!ret) {
+        FDERROR << "Failed to processs image:" << i << " in "
+                << processors_[i]->Name() << "." << std::endl;
         return false;
       }
     }
@@ -104,6 +129,7 @@ bool PaddleClasPreprocessor::Run(std::vector<FDMat>* images, std::vector<FDTenso
   } else {
     function::Concat(tensors, &((*outputs)[0]), 0);
   }
+  (*outputs)[0].device_id = device_id_;
   return true;
 }
 

fastdeploy/vision/classification/ppcls/preprocessor.h

@@ -38,11 +38,19 @@ class FASTDEPLOY_DECL PaddleClasPreprocessor {
    */
   bool Run(std::vector<FDMat>* images, std::vector<FDTensor>* outputs);
 
+  /** \brief Use GPU to run preprocessing
+   *
+   * \param[in] gpu_id GPU device id
+   */
+  void UseGpu(int gpu_id = -1);
 
  private:
   bool BuildPreprocessPipelineFromConfig(const std::string& config_file);
   std::vector<std::shared_ptr<Processor>> processors_;
   bool initialized_ = false;
+  bool use_cuda_ = false;
+  // GPU device id
+  int device_id_ = -1;
 };
 
 }  // namespace classification

fastdeploy/vision/common/processors/base.cc

@@ -30,12 +30,32 @@ bool Processor::operator()(Mat* mat, ProcLib lib) {
     return ImplByFlyCV(mat);
 #else
     FDASSERT(false, "FastDeploy didn't compile with FlyCV.");
+#endif
+  } else if (target == ProcLib::CUDA) {
+#ifdef WITH_GPU
+    return ImplByCuda(mat);
+#else
+    FDASSERT(false, "FastDeploy didn't compile with WITH_GPU.");
 #endif
   }
   // DEFAULT & OPENCV
   return ImplByOpenCV(mat);
 }
 
+FDTensor* Processor::UpdateAndGetReusedBuffer(
+    const std::vector<int64_t>& new_shape, const int& opencv_dtype,
+    const std::string& buffer_name, const Device& new_device,
+    const bool& use_pinned_memory) {
+  if (reused_buffers_.count(buffer_name) == 0) {
+    reused_buffers_[buffer_name] = FDTensor();
+  }
+  reused_buffers_[buffer_name].is_pinned_memory = use_pinned_memory;
+  reused_buffers_[buffer_name].Resize(new_shape,
+                                      OpenCVDataTypeToFD(opencv_dtype),
+                                      buffer_name, new_device);
+  return &reused_buffers_[buffer_name];
+}
+
 void EnableFlyCV() {
 #ifdef ENABLE_FLYCV
   DefaultProcLib::default_lib = ProcLib::FLYCV;

fastdeploy/vision/common/processors/base.h

@@ -18,6 +18,7 @@
 #include "fastdeploy/vision/common/processors/mat.h"
 #include "opencv2/highgui/highgui.hpp"
 #include "opencv2/imgproc/imgproc.hpp"
+#include <unordered_map>
 
 namespace fastdeploy {
 namespace vision {
@@ -55,7 +56,20 @@ class FASTDEPLOY_DECL Processor {
     return ImplByOpenCV(mat);
   }
 
+  virtual bool ImplByCuda(Mat* mat) {
+    return ImplByOpenCV(mat);
+  }
+
   virtual bool operator()(Mat* mat, ProcLib lib = ProcLib::DEFAULT);
+
+ protected:
+  FDTensor* UpdateAndGetReusedBuffer(
+      const std::vector<int64_t>& new_shape, const int& opencv_dtype,
+      const std::string& buffer_name, const Device& new_device = Device::CPU,
+      const bool& use_pinned_memory = false);
+
+ private:
+  std::unordered_map<std::string, FDTensor> reused_buffers_;
 };
 
 }  // namespace vision

fastdeploy/vision/common/processors/mat.cc

@@ -34,7 +34,7 @@ void* Mat::Data() {
 
 void Mat::ShareWithTensor(FDTensor* tensor) {
   tensor->SetExternalData({Channels(), Height(), Width()}, Type(), Data());
-  tensor->device = Device::CPU;
+  tensor->device = device;
   if (layout == Layout::HWC) {
     tensor->shape = {Height(), Width(), Channels()};
   }

fastdeploy/vision/common/processors/mat.h

@@ -131,6 +131,7 @@ struct FASTDEPLOY_DECL Mat {
 
   ProcLib mat_type = ProcLib::OPENCV;
   Layout layout = Layout::HWC;
+  Device device = Device::CPU;
 
   // Create FD Mat from FD Tensor. This method only create a
   // new FD Mat with zero copy and it's data pointer is reference

fastdeploy/vision/common/processors/normalize_and_permute.cc

@@ -73,7 +73,6 @@ bool NormalizeAndPermute::ImplByOpenCV(Mat* mat) {
                                res.ptr() + i * origin_h * origin_w * 4),
                        0);
   }
-
   mat->SetMat(res);
   mat->layout = Layout::CHW;
   return true;

fastdeploy/vision/common/processors/normalize_and_permute.cu

@@ -0,0 +1,82 @@
+// 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 "fastdeploy/vision/common/processors/normalize_and_permute.h"
+
+namespace fastdeploy {
+namespace vision {
+
+__global__ void NormalizeAndPermuteKernel(
+    uint8_t* src, float* dst, const float* alpha, const float* beta,
+    int num_channel, bool swap_rb, int edge) {
+  int idx = blockDim.x * blockIdx.x + threadIdx.x;
+  if (idx >= edge) return;
+
+  if (swap_rb) {
+    uint8_t tmp = src[num_channel * idx];
+    src[num_channel * idx] = src[num_channel * idx + 2];
+    src[num_channel * idx + 2] = tmp;
+  }
+
+  for (int i = 0; i < num_channel; ++i) {
+    dst[idx + edge * i] = src[num_channel * idx + i] * alpha[i] + beta[i];
+  }
+}
+
+bool NormalizeAndPermute::ImplByCuda(Mat* mat) {
+  cv::Mat* im = mat->GetOpenCVMat();
+  std::string buf_name = Name() + "_src";
+  std::vector<int64_t> shape = {im->rows, im->cols, im->channels()};
+  FDTensor* src = UpdateAndGetReusedBuffer(shape, im->type(), buf_name,
+                                           Device::GPU);
+  FDASSERT(cudaMemcpy(src->Data(), im->ptr(), src->Nbytes(),
+                      cudaMemcpyHostToDevice) == 0,
+           "Error occurs while copy memory from CPU to GPU.");
+
+  buf_name = Name() + "_dst";
+  FDTensor* dst = UpdateAndGetReusedBuffer(shape, CV_32FC(im->channels()),
+                                           buf_name, Device::GPU);
+  cv::Mat res(im->rows, im->cols, CV_32FC(im->channels()), dst->Data());
+
+  buf_name = Name() + "_alpha";
+  FDTensor* alpha = UpdateAndGetReusedBuffer({(int64_t)alpha_.size()}, CV_32FC1,
+                                             buf_name, Device::GPU);
+  FDASSERT(cudaMemcpy(alpha->Data(), alpha_.data(), alpha->Nbytes(),
+                      cudaMemcpyHostToDevice) == 0,
+           "Error occurs while copy memory from CPU to GPU.");
+
+  buf_name = Name() + "_beta";
+  FDTensor* beta = UpdateAndGetReusedBuffer({(int64_t)beta_.size()}, CV_32FC1,
+                                             buf_name, Device::GPU);
+  FDASSERT(cudaMemcpy(beta->Data(), beta_.data(), beta->Nbytes(),
+                      cudaMemcpyHostToDevice) == 0,
+           "Error occurs while copy memory from CPU to GPU.");
+
+  int jobs = im->cols * im->rows;
+  int threads = 256;
+  int blocks = ceil(jobs / (float)threads);
+  NormalizeAndPermuteKernel<<<blocks, threads, 0, NULL>>>(
+      reinterpret_cast<uint8_t*>(src->Data()),
+      reinterpret_cast<float*>(dst->Data()),
+      reinterpret_cast<float*>(alpha->Data()),
+      reinterpret_cast<float*>(beta->Data()), im->channels(), swap_rb_, jobs);
+
+  mat->SetMat(res);
+  mat->device = Device::GPU;
+  mat->layout = Layout::CHW;
+  return true;
+}
+
+}  // namespace vision
+}  // namespace fastdeploy

fastdeploy/vision/common/processors/normalize_and_permute.h

@@ -28,6 +28,9 @@ class FASTDEPLOY_DECL NormalizeAndPermute : public Processor {
   bool ImplByOpenCV(Mat* mat);
 #ifdef ENABLE_FLYCV
   bool ImplByFlyCV(Mat* mat);
+#endif
+#ifdef WITH_GPU
+  bool ImplByCuda(Mat* mat);
 #endif
   std::string Name() { return "NormalizeAndPermute"; }
 

fastdeploy/vision/common/processors/proc_lib.cc

@@ -30,6 +30,9 @@ std::ostream& operator<<(std::ostream& out, const ProcLib& p) {
     case ProcLib::FLYCV:
       out << "ProcLib::FLYCV";
       break;
+    case ProcLib::CUDA:
+      out << "ProcLib::CUDA";
+      break;
     default:
       FDASSERT(false, "Unknow type of ProcLib.");
   }

fastdeploy/vision/common/processors/proc_lib.h

@@ -18,7 +18,7 @@
 namespace fastdeploy {
 namespace vision {
 
-enum class FASTDEPLOY_DECL ProcLib { DEFAULT, OPENCV, FLYCV };
+enum class FASTDEPLOY_DECL ProcLib { DEFAULT, OPENCV, FLYCV, CUDA };
 
 FASTDEPLOY_DECL std::ostream& operator<<(std::ostream& out, const ProcLib& p);
 

fastdeploy/vision/detection/ppdet/ppyoloe.cc

@@ -146,7 +146,6 @@ bool PPYOLOE::BuildPreprocessPipelineFromConfig() {
 
   // Fusion will improve performance
   FuseTransforms(&processors_);
-
   return true;
 }
 
@@ -161,8 +160,6 @@ bool PPYOLOE::Preprocess(Mat* mat, std::vector<FDTensor>* outputs) {
     }
   }
 
-  Cast::Run(mat, "float");
-
   outputs->resize(2);
   (*outputs)[0].name = InputInfoOfRuntime(0).name;
   mat->ShareWithTensor(&((*outputs)[0]));

fastdeploy/vision/segmentation/ppseg/model.cc

@@ -39,6 +39,8 @@ PaddleSegModel::PaddleSegModel(const std::string& model_file,
 }
 
 bool PaddleSegModel::Initialize() {
+  reused_input_tensors_.resize(1);
+  reused_output_tensors_.resize(1);
   if (!BuildPreprocessPipelineFromConfig()) {
     FDERROR << "Failed to build preprocess pipeline from configuration file."
             << std::endl;
@@ -133,6 +135,9 @@ bool PaddleSegModel::BuildPreprocessPipelineFromConfig() {
   if (!(this->disable_normalize_and_permute)) {
     processors_.push_back(std::make_shared<HWC2CHW>());
   }
+
+  // Fusion will improve performance
+  FuseTransforms(&processors_);
   return true;
 }
 
@@ -332,7 +337,6 @@ bool PaddleSegModel::Postprocess(
 
 bool PaddleSegModel::Predict(cv::Mat* im, SegmentationResult* result) {
   Mat mat(*im);
-  std::vector<FDTensor> processed_data(1);
 
   std::map<std::string, std::array<int, 2>> im_info;
 
@@ -340,18 +344,18 @@ bool PaddleSegModel::Predict(cv::Mat* im, SegmentationResult* result) {
   im_info["input_shape"] = {static_cast<int>(mat.Height()),
                             static_cast<int>(mat.Width())};
 
-  if (!Preprocess(&mat, &(processed_data[0]))) {
+  if (!Preprocess(&mat, &(reused_input_tensors_[0]))) {
     FDERROR << "Failed to preprocess input data while using model:"
             << ModelName() << "." << std::endl;
     return false;
   }
-  std::vector<FDTensor> infer_result(1);
-  if (!Infer(processed_data, &infer_result)) {
+
+  if (!Infer()) {
     FDERROR << "Failed to inference while using model:" << ModelName() << "."
             << std::endl;
     return false;
   }
-  if (!Postprocess(&infer_result[0], result, im_info)) {
+  if (!Postprocess(&reused_output_tensors_[0], result, im_info)) {
     FDERROR << "Failed to postprocess while using model:" << ModelName() << "."
             << std::endl;
     return false;

python/fastdeploy/vision/classification/ppcls/__init__.py

@@ -35,6 +35,13 @@ class PaddleClasPreprocessor:
         """
         return self._preprocessor.run(input_ims)
 
+    def use_gpu(self, gpu_id=-1):
+        """Use CUDA preprocessors
+
+        :param: gpu_id: GPU device id
+        """
+        return self._preprocessor.use_gpu(gpu_id)
+
 
 class PaddleClasPostprocessor:
     def __init__(self, topk=1):