[inference]add hard_swish dynamic plugin

paddle/fluid/inference/tensorrt/convert/hard_swish_op.cc

@@ -64,9 +64,21 @@ class HardSwishOpConverter : public OpConverter {
           nvinfer1::ElementWiseOperation::kPROD);
       layer = eltwise_layer;
     } else {
-      plugin::HardSwishPlugin* plugin =
-          new plugin::HardSwishPlugin(threshold, scale, offset);
-      layer = engine_->AddPlugin(&input, input_num, plugin);
+      if (engine_->with_dynamic_shape()) {
+#if IS_TRT_VERSION_GE(6000)
+        plugin::HardSwishPluginDynamic* plugin =
+            new plugin::HardSwishPluginDynamic(threshold, scale, offset);
+        layer = engine_->AddDynamicPlugin(&input, input_num, plugin);
+#else
+        PADDLE_THROW(platform::errors::Fatal(
+            "You are running the TRT Dynamic Shape mode, need to confirm that "
+            "your TRT version is no less than 6.0"));
+#endif
+      } else {
+        plugin::HardSwishPlugin* plugin =
+            new plugin::HardSwishPlugin(threshold, scale, offset);
+        layer = engine_->AddPlugin(&input, input_num, plugin);
+      }
     }
     auto output_name = op_desc.Output("Out")[0];
     RreplenishLayerAndOutput(layer, "hard_swish", {output_name}, test_mode);

paddle/fluid/inference/tensorrt/plugin/hard_swish_op_plugin.cu

@@ -22,10 +22,10 @@ namespace tensorrt {
 namespace plugin {
 
 nvinfer1::Dims HardSwishPlugin::getOutputDimensions(
-    int index, const nvinfer1::Dims* in_dims, int nb_inputs) TRT_NOEXCEPT {
+    int index, const nvinfer1::Dims *in_dims, int nb_inputs) TRT_NOEXCEPT {
   assert(nb_inputs == 1);
   assert(index < this->getNbOutputs());
-  nvinfer1::Dims const& input_dims = in_dims[0];
+  nvinfer1::Dims const &input_dims = in_dims[0];
   nvinfer1::Dims output_dims = input_dims;
   return output_dims;
 }
@@ -42,22 +42,22 @@ __device__ T kMin(T a, T b) {
 
 template <typename T, unsigned TPB>
 __global__ void hard_swish_kernel(float threshold, float scale, float offset,
-                                  int n, const T* input, T* output) {
+                                  int n, const T *input, T *output) {
   const int idx = blockIdx.x * TPB + threadIdx.x;
   if (idx < n) {
     const T in = input[idx];
     output[idx] = in / scale * kMin<T>(kMax<T>(in + offset, 0), threshold);
   }
 }
 
-int HardSwishPlugin::enqueue(int batch_size, const void* const* inputs,
+int HardSwishPlugin::enqueue(int batch_size, const void *const *inputs,
 #if IS_TRT_VERSION_LT(8000)
-                             void** outputs, void*, cudaStream_t stream) {
+                             void **outputs, void *, cudaStream_t stream) {
 #else
-                             void* const* outputs, void*,
+                             void *const *outputs, void *,
                              cudaStream_t stream) TRT_NOEXCEPT {
 #endif
-  const auto& input_dims = this->getInputDims(0);
+  const auto &input_dims = this->getInputDims(0);
   int num = batch_size;
   for (int i = 0; i < input_dims.nbDims; i++) {
     num *= input_dims.d[i];
@@ -69,14 +69,79 @@ int HardSwishPlugin::enqueue(int batch_size, const void* const* inputs,
   const int block_size = 256;
   const int grid_size = (num + block_size - 1) / block_size;
 
-  const float* input = static_cast<const float*>(inputs[0]);
-  float* output = static_cast<float*>(outputs[0]);
+  const float *input = static_cast<const float *>(inputs[0]);
+  float *output = static_cast<float *>(outputs[0]);
   hard_swish_kernel<float, block_size><<<grid_size, block_size, 0, stream>>>(
       threshold, scale, offset, num, input, output);
 
   return cudaGetLastError() != cudaSuccess;
 }
 
+#if IS_TRT_VERSION_GE(6000)
+
+nvinfer1::DimsExprs HardSwishPluginDynamic::getOutputDimensions(
+    int output_index, const nvinfer1::DimsExprs *inputs, int nb_inputs,
+    nvinfer1::IExprBuilder &expr_builder) TRT_NOEXCEPT {
+  return inputs[0];
+}
+
+int HardSwishPluginDynamic::enqueue(
+    const nvinfer1::PluginTensorDesc *input_desc,
+    const nvinfer1::PluginTensorDesc *output_desc, const void *const *inputs,
+    void *const *outputs, void *workspace, cudaStream_t stream) TRT_NOEXCEPT {
+  auto input_dims = input_desc[0].dims;
+  int num = 1;
+  for (int i = 0; i < input_dims.nbDims; i++) {
+    num *= input_dims.d[i];
+  }
+  float threshold = threshold_;
+  float scale = scale_;
+  float offset = offset_;
+  const int block_size = 256;
+  const int grid_size = (num + block_size - 1) / block_size;
+  const float *input = static_cast<const float *>(inputs[0]);
+  float *output = static_cast<float *>(outputs[0]);
+  hard_swish_kernel<float, block_size><<<grid_size, block_size, 0, stream>>>(
+      threshold, scale, offset, num, input, output);
+
+  return cudaGetLastError() != cudaSuccess;
+}
+
+nvinfer1::DataType HardSwishPluginDynamic::getOutputDataType(
+    int index, const nvinfer1::DataType *input_types,
+    int nb_inputs) const TRT_NOEXCEPT {
+  PADDLE_ENFORCE_EQ(index, 0,
+                    platform::errors::InvalidArgument(
+                        "The Elementwise Plugin only has one input, so the "
+                        "index value should be 0, but get %d.",
+                        index));
+  return input_types[0];
+}
+
+bool HardSwishPluginDynamic::supportsFormatCombination(
+    int pos, const nvinfer1::PluginTensorDesc *in_out, int nb_inputs,
+    int nb_outputs) TRT_NOEXCEPT {
+  PADDLE_ENFORCE_NOT_NULL(
+      in_out, platform::errors::InvalidArgument(
+                  "The input of swish plugin shoule not be nullptr."));
+
+  PADDLE_ENFORCE_LT(
+      pos, nb_inputs + nb_outputs,
+      platform::errors::InvalidArgument("The pos(%d) should be less than the "
+                                        "num(%d) of the input and the output.",
+                                        pos, nb_inputs + nb_outputs));
+  (in_out && pos < (nb_inputs + nb_outputs));
+
+  const nvinfer1::PluginTensorDesc &in = in_out[pos];
+  if (pos == 0) {
+    return (in.type == nvinfer1::DataType::kFLOAT) &&
+           (in.format == nvinfer1::TensorFormat::kLINEAR);
+  }
+  const nvinfer1::PluginTensorDesc &prev = in_out[pos - 1];
+  // output
+  return in.type == prev.type && in.format == prev.format;
+}
+#endif
 }  // namespace plugin
 }  // namespace tensorrt
 }  // namespace inference

paddle/fluid/inference/tensorrt/plugin/hard_swish_op_plugin.h

@@ -94,6 +94,113 @@ class HardSwishPluginCreator : public TensorRTPluginCreator {
 };
 REGISTER_TRT_PLUGIN_V2(HardSwishPluginCreator);
 
+#if IS_TRT_VERSION_GE(6000)
+class HardSwishPluginDynamic : public DynamicPluginTensorRT {
+ public:
+  HardSwishPluginDynamic(const float threshold, const float scale,
+                         const float offset)
+      : threshold_(threshold), scale_(scale), offset_(offset) {}
+
+  // It was used for tensorrt deserialization.
+  // It should not be called by users.
+  HardSwishPluginDynamic(void const* serialData, size_t serialLength) {
+    DeserializeValue(&serialData, &serialLength, &threshold_);
+    DeserializeValue(&serialData, &serialLength, &scale_);
+    DeserializeValue(&serialData, &serialLength, &offset_);
+  }
+  ~HardSwishPluginDynamic() {}
+  nvinfer1::IPluginV2DynamicExt* clone() const TRT_NOEXCEPT override {
+    return new HardSwishPluginDynamic(threshold_, scale_, offset_);
+  }
+  const char* getPluginType() const TRT_NOEXCEPT override {
+    return "hard_swish_plugin_dynamic";
+  }
+  int getNbOutputs() const TRT_NOEXCEPT override { return 1; }
+  int initialize() TRT_NOEXCEPT override { return 0; }
+  nvinfer1::DimsExprs getOutputDimensions(
+      int output_index, const nvinfer1::DimsExprs* inputs, int nb_inputs,
+      nvinfer1::IExprBuilder& expr_builder) TRT_NOEXCEPT override;
+  int enqueue(const nvinfer1::PluginTensorDesc* inputDesc,
+              const nvinfer1::PluginTensorDesc* outputDesc,
+              const void* const* inputs, void* const* outputs, void* workspace,
+              cudaStream_t stream) TRT_NOEXCEPT override;
+
+  size_t getSerializationSize() const TRT_NOEXCEPT override {
+    return SerializedSize(threshold_) + SerializedSize(scale_) +
+           SerializedSize(offset_);
+  }
+
+  // TRT will call this func  to serialize the configuration of TRT
+  // It should not be called by users.
+  void serialize(void* buffer) const TRT_NOEXCEPT override {
+    SerializeValue(&buffer, threshold_);
+    SerializeValue(&buffer, scale_);
+    SerializeValue(&buffer, offset_);
+  }
+  nvinfer1::DataType getOutputDataType(
+      int index, const nvinfer1::DataType* inputTypes,
+      int nbInputs) const TRT_NOEXCEPT override;
+  bool supportsFormatCombination(int pos,
+                                 const nvinfer1::PluginTensorDesc* inOut,
+                                 int nbInputs,
+                                 int nbOutputs) TRT_NOEXCEPT override;
+
+  void configurePlugin(const nvinfer1::DynamicPluginTensorDesc* in,
+                       int nbInputs,
+                       const nvinfer1::DynamicPluginTensorDesc* out,
+                       int nbOutputs) TRT_NOEXCEPT override {}
+  void destroy() TRT_NOEXCEPT override { delete this; }
+
+ protected:
+  float threshold_;
+  float scale_;
+  float offset_;
+};
+
+class HardSwishPluginDynamicCreator : public nvinfer1::IPluginCreator {
+ public:
+  HardSwishPluginDynamicCreator() {}
+  const char* getPluginName() const TRT_NOEXCEPT override {
+    return "hardswish_plugin_dynamic";
+  }
+
+  const char* getPluginVersion() const TRT_NOEXCEPT override { return "1"; }
+
+  const nvinfer1::PluginFieldCollection* getFieldNames() TRT_NOEXCEPT override {
+    return &field_collection_;
+  }
+
+  nvinfer1::IPluginV2* createPlugin(const char* name,
+                                    const nvinfer1::PluginFieldCollection* fc)
+      TRT_NOEXCEPT override {
+    return nullptr;
+  }
+
+  nvinfer1::IPluginV2* deserializePlugin(
+      const char* name, const void* serial_data,
+      size_t serial_length) TRT_NOEXCEPT override {
+    auto plugin = new HardSwishPluginDynamic(serial_data, serial_length);
+    return plugin;
+  }
+
+  void setPluginNamespace(const char* lib_namespace) TRT_NOEXCEPT override {
+    plugin_namespace_ = lib_namespace;
+  }
+
+  const char* getPluginNamespace() const TRT_NOEXCEPT override {
+    return plugin_namespace_.c_str();
+  }
+
+ private:
+  std::string plugin_namespace_;
+  std::string plugin_name_;
+  nvinfer1::PluginFieldCollection field_collection_{0, nullptr};
+  std::vector<nvinfer1::PluginField> plugin_attributes_;
+};
+REGISTER_TRT_PLUGIN_V2(HardSwishPluginDynamicCreator);
+
+#endif
+
 }  // namespace plugin
 }  // namespace tensorrt
 }  // namespace inference

python/paddle/fluid/tests/unittests/ir/inference/test_trt_convert_hard_swish.py

@@ -0,0 +1,117 @@
+# Copyright (c) 2021 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.
+
+from trt_layer_auto_scan_test import TrtLayerAutoScanTest, SkipReasons
+from program_config import TensorConfig, ProgramConfig
+import numpy as np
+import paddle.inference as paddle_infer
+from functools import partial
+from typing import Optional, List, Callable, Dict, Any, Set
+import unittest
+
+
+class TrtConvertHardSwishTest(TrtLayerAutoScanTest):
+    def is_program_valid(self, program_config: ProgramConfig) -> bool:
+        inputs = program_config.inputs
+        weights = program_config.weights
+        attrs = [
+            program_config.ops[i].attrs
+            for i in range(len(program_config.ops))
+        ]
+
+        if attrs[0]['threshold'] <= 0 or attrs[0]['scale'] <= 0:
+            return False
+
+        return True
+
+    def sample_program_configs(self):
+        def generate_input1(attrs: List[Dict[str, Any]]):
+            return np.ones([1, 3, 64, 64]).astype(np.float32)
+
+        for threshold in [6.0, 7.0, 100.0, 0.0, -1.0]:
+            for scale in [5.0, 6.0, 7.0, -1.0, 0.0, 100.0]:
+                for offset in [3.0, 4.0, 5.0, -1.0, 0.0, 100.0]:
+                    dics = [{
+                        "threshold": threshold,
+                        "scale": scale,
+                        "offset": offset
+                    }]
+
+                    ops_config = [{
+                        "op_type": "hard_swish",
+                        "op_inputs": {
+                            "X": ["input_data"]
+                        },
+                        "op_outputs": {
+                            "Out": ["hard_swish_output_data"]
+                        },
+                        "op_attrs": dics[0]
+                    }]
+                    ops = self.generate_op_config(ops_config)
+
+                    program_config = ProgramConfig(
+                        ops=ops,
+                        weights={},
+                        inputs={
+                            "input_data": TensorConfig(data_gen=partial(
+                                generate_input1, dics))
+                        },
+                        outputs=["hard_swish_output_data"])
+
+                    yield program_config
+
+    def sample_predictor_configs(
+            self, program_config) -> (paddle_infer.Config, List[int], float):
+        def generate_dynamic_shape(attrs):
+            self.dynamic_shape.min_input_shape = {"input_data": [1, 3, 32, 32]}
+            self.dynamic_shape.max_input_shape = {"input_data": [4, 3, 64, 64]}
+            self.dynamic_shape.opt_input_shape = {"input_data": [1, 3, 64, 64]}
+
+        def clear_dynamic_shape():
+            self.dynamic_shape.min_input_shape = {}
+            self.dynamic_shape.max_input_shape = {}
+            self.dynamic_shape.opt_input_shape = {}
+
+        def generate_trt_nodes_num(attrs, dynamic_shape):
+            return 1, 2
+
+        attrs = [
+            program_config.ops[i].attrs
+            for i in range(len(program_config.ops))
+        ]
+
+        # for static_shape
+        clear_dynamic_shape()
+        self.trt_param.precision = paddle_infer.PrecisionType.Float32
+        yield self.create_inference_config(), generate_trt_nodes_num(
+            attrs, False), 1e-5
+        self.trt_param.precision = paddle_infer.PrecisionType.Half
+        yield self.create_inference_config(), generate_trt_nodes_num(
+            attrs, False), (1e-5, 1e-5)
+
+        # for dynamic_shape
+        generate_dynamic_shape(attrs)
+        self.trt_param.precision = paddle_infer.PrecisionType.Float32
+        yield self.create_inference_config(), generate_trt_nodes_num(attrs,
+                                                                     True), 1e-5
+        self.trt_param.precision = paddle_infer.PrecisionType.Half
+        yield self.create_inference_config(), generate_trt_nodes_num(
+            attrs, True), (1e-5, 1e-5)
+
+    def test(self):
+        self.run_test()
+
+
+if __name__ == "__main__":
+    unittest.main()