!4986 optimize prule

Merge pull request !4986 from fuzhiye/tmp

mindspore/lite/nnacl/fp32/prelu.c

@@ -14,24 +14,200 @@
  * limitations under the License.
  */
 #include "nnacl/fp32/prelu.h"
+#ifdef ENABLE_NEON
+#include <arm_neon.h>
+#endif
 
-void DoPRelu(float *input, float *output, PReluParameter *prelu_param_, int task_id) {
-  int block = (int)(prelu_param_->input_num_ / prelu_param_->op_parameter_.thread_num_);
-  int start = task_id * block;
-  int end = start + block;
-  if (task_id == prelu_param_->op_parameter_.thread_num_ - 1) {
-    end = prelu_param_->input_num_;
-  }
-  for (int i = start; i < end; i++) {
-    if (input[i] > 0) {
-      output[i] = input[i];
-    } else {
-      if (!prelu_param_->channelShared) {
-        int temp = i % prelu_param_->channel_num_;
-        output[i] = input[i] * prelu_param_->slope_[temp];
-      } else {
-        output[i] = input[i] * prelu_param_->slope_[0];
+void PRelu(float *input, float *output, PReluParameter *prelu_param_, int task_id) {
+  float *negetive_slope_value = prelu_param_->slope_;
+  int c4 = prelu_param_->channel_num_ / C4NUM;
+  int channel_num = prelu_param_->channel_num_;
+  for (int j = task_id; j < prelu_param_->tile_block_; j += prelu_param_->op_parameter_.thread_num_) {
+    float *input_ptr = input + j * TILE_NUM * channel_num;
+    float *output_ptr = input_ptr;
+#ifdef ENABLE_NEON
+    for (int i = 0; i < c4; i++) {
+      int c_offset = i * C4NUM;
+      float32x4_t slope_value = vld1q_f32(negetive_slope_value + c_offset);
+      float32x4_t v1 = vld1q_f32(input_ptr + c_offset);
+      float32x4_t v2 = vld1q_f32(input_ptr + c_offset + channel_num);
+      float32x4_t v3 = vld1q_f32(input_ptr + c_offset + 2 * channel_num);
+      float32x4_t v4 = vld1q_f32(input_ptr + c_offset + 3 * channel_num);
+      float32x4_t v5 = vld1q_f32(input_ptr + c_offset + 4 * channel_num);
+      float32x4_t v6 = vld1q_f32(input_ptr + c_offset + 5 * channel_num);
+      float32x4_t v7 = vld1q_f32(input_ptr + c_offset + 6 * channel_num);
+      float32x4_t v8 = vld1q_f32(input_ptr + c_offset + 7 * channel_num);
+
+      float32x4_t t1 = vmulq_f32(v1, slope_value);
+      float32x4_t t2 = vmulq_f32(v2, slope_value);
+      float32x4_t t3 = vmulq_f32(v3, slope_value);
+      float32x4_t t4 = vmulq_f32(v4, slope_value);
+      float32x4_t t5 = vmulq_f32(v5, slope_value);
+      float32x4_t t6 = vmulq_f32(v6, slope_value);
+      float32x4_t t7 = vmulq_f32(v7, slope_value);
+      float32x4_t t8 = vmulq_f32(v8, slope_value);
+
+      uint32x4_t flag1 = vclezq_f32(v1);
+      uint32x4_t flag2 = vclezq_f32(v2);
+      uint32x4_t flag3 = vclezq_f32(v3);
+      uint32x4_t flag4 = vclezq_f32(v4);
+      uint32x4_t flag5 = vclezq_f32(v5);
+      uint32x4_t flag6 = vclezq_f32(v6);
+      uint32x4_t flag7 = vclezq_f32(v7);
+      uint32x4_t flag8 = vclezq_f32(v8);
+
+      float32x4_t r1 = vbslq_f32(flag1, t1, v1);
+      float32x4_t r2 = vbslq_f32(flag2, t2, v2);
+      float32x4_t r3 = vbslq_f32(flag3, t3, v3);
+      float32x4_t r4 = vbslq_f32(flag4, t4, v4);
+      float32x4_t r5 = vbslq_f32(flag5, t5, v5);
+      float32x4_t r6 = vbslq_f32(flag6, t6, v6);
+      float32x4_t r7 = vbslq_f32(flag7, t7, v7);
+      float32x4_t r8 = vbslq_f32(flag8, t8, v8);
+
+      vst1q_f32(output_ptr + c_offset, r1);
+      vst1q_f32(output_ptr + c_offset + channel_num, r2);
+      vst1q_f32(output_ptr + c_offset + 2 * channel_num, r3);
+      vst1q_f32(output_ptr + c_offset + 3 * channel_num, r4);
+      vst1q_f32(output_ptr + c_offset + 4 * channel_num, r5);
+      vst1q_f32(output_ptr + c_offset + 5 * channel_num, r6);
+      vst1q_f32(output_ptr + c_offset + 6 * channel_num, r7);
+      vst1q_f32(output_ptr + c_offset + 7 * channel_num, r8);
+    }  // c4 -1 loop
+#else
+    for (int i = 0; i < TILE_NUM; ++i) {
+      int tile_offset = i * channel_num;
+      for (int k = 0; k < c4; ++k) {
+        int c4_offset = tile_offset + k * C4NUM;
+        int slope_offset = k * C4NUM;
+        for (int l = 0; l < C4NUM; ++l) {
+          float in_data = input_ptr[c4_offset + l];
+          output_ptr[c4_offset + l] =
+            (in_data < 0 ? in_data : 0) * negetive_slope_value[slope_offset + l] + (in_data > 0 ? in_data : 0);
+        }
+      }
+    }  // c4 - 1 loop
+#endif
+    int c_s = c4 * C4NUM;
+    for (int m = 0; m < TILE_NUM; ++m) {
+      int offset = m * channel_num;
+      for (int k = c_s; k < channel_num; ++k) {
+        int c4_offset = offset + k;
+        float in_data = input_ptr[c4_offset];
+        if (in_data >= 0) {
+          output_ptr[c4_offset] = in_data;
+        } else {
+          output_ptr[c4_offset] = in_data * negetive_slope_value[k];
+        }
       }
+    }  // res loop
+  }
+}
+
+void PReluShareChannel(float *input, float *output, PReluParameter *prelu_param_, int task_id) {
+  for (int j = task_id; j < prelu_param_->tile_block_; j += prelu_param_->op_parameter_.thread_num_) {
+    int cal_index;
+    int cal_per_time;
+#ifdef ENABLE_NEON
+    float32x4_t slope_value = vdupq_n_f32(prelu_param_->slope_[0]);
+    float32x4_t zero_value = vdupq_n_f32(0);
+#endif
+#ifdef ENABLE_ARM64
+    cal_index = j * 64;
+    cal_per_time = 64;
+
+#elif ENABLE_ARM32
+    cal_index = j * 32;
+    cal_per_time = 32;
+#else
+    cal_index = j * 32;
+    cal_per_time = 32;
+#endif
+    float *input_ptr = input + cal_index;
+    float *output_ptr = input + cal_index;
+#ifdef ENABLE_ARM64
+    float32x4_t v1 = vld1q_f32(input_ptr);
+    float32x4_t v2 = vld1q_f32(input_ptr + 4);
+    float32x4_t v3 = vld1q_f32(input_ptr + 8);
+    float32x4_t v4 = vld1q_f32(input_ptr + 12);
+    float32x4_t v5 = vld1q_f32(input_ptr + 16);
+    float32x4_t v6 = vld1q_f32(input_ptr + 20);
+    float32x4_t v7 = vld1q_f32(input_ptr + 24);
+    float32x4_t v8 = vld1q_f32(input_ptr + 28);
+    float32x4_t v9 = vld1q_f32(input_ptr + 32);
+    float32x4_t v10 = vld1q_f32(input_ptr + 36);
+    float32x4_t v11 = vld1q_f32(input_ptr + 40);
+    float32x4_t v12 = vld1q_f32(input_ptr + 44);
+    float32x4_t v13 = vld1q_f32(input_ptr + 48);
+    float32x4_t v14 = vld1q_f32(input_ptr + 52);
+    float32x4_t v15 = vld1q_f32(input_ptr + 56);
+    float32x4_t v16 = vld1q_f32(input_ptr + 60);
+
+    float32x4_t t1 = vaddq_f32(vmulq_f32(vminq_f32(v1, zero_value), slope_value), vmaxq_f32(v1, zero_value));
+    float32x4_t t2 = vaddq_f32(vmulq_f32(vminq_f32(v2, zero_value), slope_value), vmaxq_f32(v2, zero_value));
+    float32x4_t t3 = vaddq_f32(vmulq_f32(vminq_f32(v3, zero_value), slope_value), vmaxq_f32(v3, zero_value));
+    float32x4_t t4 = vaddq_f32(vmulq_f32(vminq_f32(v4, zero_value), slope_value), vmaxq_f32(v4, zero_value));
+    float32x4_t t5 = vaddq_f32(vmulq_f32(vminq_f32(v5, zero_value), slope_value), vmaxq_f32(v5, zero_value));
+    float32x4_t t6 = vaddq_f32(vmulq_f32(vminq_f32(v6, zero_value), slope_value), vmaxq_f32(v6, zero_value));
+    float32x4_t t7 = vaddq_f32(vmulq_f32(vminq_f32(v7, zero_value), slope_value), vmaxq_f32(v7, zero_value));
+    float32x4_t t8 = vaddq_f32(vmulq_f32(vminq_f32(v8, zero_value), slope_value), vmaxq_f32(v8, zero_value));
+    float32x4_t t9 = vaddq_f32(vmulq_f32(vminq_f32(v9, zero_value), slope_value), vmaxq_f32(v9, zero_value));
+    float32x4_t t10 = vaddq_f32(vmulq_f32(vminq_f32(v10, zero_value), slope_value), vmaxq_f32(v10, zero_value));
+    float32x4_t t11 = vaddq_f32(vmulq_f32(vminq_f32(v11, zero_value), slope_value), vmaxq_f32(v11, zero_value));
+    float32x4_t t12 = vaddq_f32(vmulq_f32(vminq_f32(v12, zero_value), slope_value), vmaxq_f32(v12, zero_value));
+    float32x4_t t13 = vaddq_f32(vmulq_f32(vminq_f32(v13, zero_value), slope_value), vmaxq_f32(v13, zero_value));
+    float32x4_t t14 = vaddq_f32(vmulq_f32(vminq_f32(v14, zero_value), slope_value), vmaxq_f32(v14, zero_value));
+    float32x4_t t15 = vaddq_f32(vmulq_f32(vminq_f32(v15, zero_value), slope_value), vmaxq_f32(v15, zero_value));
+    float32x4_t t16 = vaddq_f32(vmulq_f32(vminq_f32(v16, zero_value), slope_value), vmaxq_f32(v16, zero_value));
+
+    vst1q_f32(output_ptr, t1);
+    vst1q_f32(output_ptr + 4, t2);
+    vst1q_f32(output_ptr + 8, t3);
+    vst1q_f32(output_ptr + 12, t4);
+    vst1q_f32(output_ptr + 16, t5);
+    vst1q_f32(output_ptr + 20, t6);
+    vst1q_f32(output_ptr + 24, t7);
+    vst1q_f32(output_ptr + 28, t8);
+    vst1q_f32(output_ptr + 32, t9);
+    vst1q_f32(output_ptr + 36, t10);
+    vst1q_f32(output_ptr + 40, t11);
+    vst1q_f32(output_ptr + 44, t12);
+    vst1q_f32(output_ptr + 48, t13);
+    vst1q_f32(output_ptr + 52, t14);
+    vst1q_f32(output_ptr + 56, t15);
+    vst1q_f32(output_ptr + 60, t16);
+#elif ENABLE_ARM32
+    float32x4_t v1 = vld1q_f32(input_ptr);
+    float32x4_t v2 = vld1q_f32(input_ptr + 4);
+    float32x4_t v3 = vld1q_f32(input_ptr + 8);
+    float32x4_t v4 = vld1q_f32(input_ptr + 12);
+    float32x4_t v5 = vld1q_f32(input_ptr + 16);
+    float32x4_t v6 = vld1q_f32(input_ptr + 20);
+    float32x4_t v7 = vld1q_f32(input_ptr + 24);
+    float32x4_t v8 = vld1q_f32(input_ptr + 28);
+
+    float32x4_t t1 = vaddq_f32(vmulq_f32(vminq_f32(v1, zero_value), slope_value), vmaxq_f32(v1, zero_value));
+    float32x4_t t2 = vaddq_f32(vmulq_f32(vminq_f32(v2, zero_value), slope_value), vmaxq_f32(v2, zero_value));
+    float32x4_t t3 = vaddq_f32(vmulq_f32(vminq_f32(v3, zero_value), slope_value), vmaxq_f32(v3, zero_value));
+    float32x4_t t4 = vaddq_f32(vmulq_f32(vminq_f32(v4, zero_value), slope_value), vmaxq_f32(v4, zero_value));
+    float32x4_t t5 = vaddq_f32(vmulq_f32(vminq_f32(v5, zero_value), slope_value), vmaxq_f32(v5, zero_value));
+    float32x4_t t6 = vaddq_f32(vmulq_f32(vminq_f32(v6, zero_value), slope_value), vmaxq_f32(v6, zero_value));
+    float32x4_t t7 = vaddq_f32(vmulq_f32(vminq_f32(v7, zero_value), slope_value), vmaxq_f32(v7, zero_value));
+    float32x4_t t8 = vaddq_f32(vmulq_f32(vminq_f32(v8, zero_value), slope_value), vmaxq_f32(v8, zero_value));
+
+    vst1q_f32(output_ptr, t1);
+    vst1q_f32(output_ptr + 4, t2);
+    vst1q_f32(output_ptr + 8, t3);
+    vst1q_f32(output_ptr + 12, t4);
+    vst1q_f32(output_ptr + 16, t5);
+    vst1q_f32(output_ptr + 20, t6);
+    vst1q_f32(output_ptr + 24, t7);
+    vst1q_f32(output_ptr + 28, t8);
+#else
+    for (int i = 0; i < cal_per_time; ++i) {
+      float data = input_ptr[i];
+      output_ptr[i] = (data < 0 ? data : 0) * prelu_param_->slope_[0] + (data > 0 ? data : 0);
     }
+#endif
   }
 }

mindspore/lite/nnacl/fp32/prelu.h

@@ -22,7 +22,9 @@
 #ifdef __cplusplus
 extern "C" {
 #endif
-void DoPRelu(float *input, float *output, PReluParameter *prelu_param_, int task_id);
+void PRelu(float *input, float *output, PReluParameter *prelu_param_, int task_id);
+
+void PReluShareChannel(float *input, float *output, PReluParameter *prelu_param_, int task_id);
 #ifdef __cplusplus
 }
 #endif

mindspore/lite/nnacl/int8/conv_int8.c

@@ -52,7 +52,7 @@ void IndirectGemmInt8(int8_t *dst, int32_t *tmp_dst, const int8_t *src, const in
         int plane_c4_res = b % C4NUM;
         int src_plane_offset = src_tile_offset + plane_c4_block * tile_num * C4NUM * ic4 * C4NUM + plane_c4_res * C4NUM;
         int weight_plane_offset =
-          weight_oc4_offset + plane_c4_block * tile_num * C4NUM * ic4 * C4NUM + plane_c4_res * C4NUM;
+          weight_oc4_offset + plane_c4_block * C4NUM * C4NUM * ic4 * C4NUM + plane_c4_res * C4NUM;
         for (int i = 0; i < ic4; i++) {
           int src_ic4_offset = src_plane_offset + i * tile_num * C4NUM * C4NUM;
           int weight_ic4_offset = weight_plane_offset + i * C4NUM * C4NUM * C4NUM;

mindspore/lite/nnacl/prelu_parameter.h

@@ -22,6 +22,7 @@ typedef struct PReluParameter {
   OpParameter op_parameter_;
   float *slope_;
   bool channelShared;
+  int tile_block_;
   int channel_num_;
   int input_num_;
 } PReluParameter;

mindspore/lite/src/runtime/kernel/arm/fp32/prelu.cc

@@ -29,8 +29,8 @@ using mindspore::schema::PrimitiveType_CaffePReLU;
 namespace mindspore::kernel {
 namespace {
 int PReluRun(int task_id, LiteParallelGroupEnv *penv, void *cdata) {
-  auto PReludata = reinterpret_cast<PReluCPUKernel *>(cdata);
-  auto ret = PReludata->DoExcute(task_id);
+  auto PRelu = reinterpret_cast<PReluCPUKernel *>(cdata);
+  auto ret = PRelu->DoExcute(task_id);
   if (ret != RET_OK) {
     MS_LOG(ERROR) << "PReluRun error task_id[" << task_id << "] error_code[" << ret << "]";
     return RET_ERROR;
@@ -42,7 +42,67 @@ int PReluRun(int task_id, LiteParallelGroupEnv *penv, void *cdata) {
 int PReluCPUKernel::Init() { return RET_OK; }
 
 int PReluCPUKernel::DoExcute(int task_id) {
-  DoPRelu(input_data, output_data, prelu_param_, task_id);
+  if (prelu_param_->channelShared) {
+    PReluShareChannel(input_data_, output_data_, prelu_param_, task_id);
+  } else {
+    PRelu(input_data_, output_data_, prelu_param_, task_id);
+  }
+  return RET_OK;
+}
+
+int PReluCPUKernel::ProcessInput() {
+  // input tensor
+  auto input_tensor = in_tensors_[0];
+  auto in_shape = input_tensor->shape();
+  auto n_dim = in_shape.size();
+  auto channel_num = in_shape.at(n_dim - 1);
+  int input_plane = 1;
+  for (size_t i = 0; i < n_dim - 1; ++i) {
+    input_plane *= in_shape[i];
+  }
+  int tile_block = UP_DIV(input_plane, TILE_NUM);
+  prelu_param_->input_num_ = input_tensor->ElementsNum();
+  prelu_param_->tile_block_ = tile_block;
+  prelu_param_->channel_num_ = channel_num;
+  input_data_ =
+    reinterpret_cast<float *>(context_->allocator->Malloc(tile_block * TILE_NUM * channel_num * sizeof(float)));
+  if (input_data_ == nullptr) {
+    MS_LOG(ERROR) << "malloc input_data_ failed.";
+    return RET_ERROR;
+  }
+  memcpy(input_data_, ori_input_, tile_block * TILE_NUM * channel_num * sizeof(float));
+  return RET_OK;
+}
+
+int PReluCPUKernel::ProcessShareChannelInput() {
+  // input tensor
+  auto input_tensor = in_tensors_[0];
+  prelu_param_->input_num_ = input_tensor->ElementsNum();
+#ifdef ENABLE_ARM64
+  prelu_param_->tile_block_ = UP_DIV(prelu_param_->input_num_, 64);
+  input_data_ = reinterpret_cast<float *>(context_->allocator->Malloc(prelu_param_->tile_block_ * 64 * sizeof(float)));
+  if (input_data_ == nullptr) {
+    MS_LOG(ERROR) << "malloc input_data_ failed.";
+    return RET_ERROR;
+  }
+  memcpy(input_data_, ori_input_, prelu_param_->tile_block_ * 64 * sizeof(float));
+#elif ENABLE_ARM32
+  prelu_param_->tile_block_ = UP_DIV(prelu_param_->input_num_, 32);
+  input_data_ = reinterpret_cast<float *>(context_->allocator->Malloc(prelu_param_->tile_block_ * 32 * sizeof(float)));
+  if (input_data_ == nullptr) {
+    MS_LOG(ERROR) << "malloc input_data_ failed.";
+    return RET_ERROR;
+  }
+  memcpy(input_data_, ori_input_, prelu_param_->tile_block_ * 32 * sizeof(float));
+#else
+  prelu_param_->tile_block_ = UP_DIV(prelu_param_->input_num_, 32);
+  input_data_ = reinterpret_cast<float *>(context_->allocator->Malloc(prelu_param_->tile_block_ * 32 * sizeof(float)));
+  if (input_data_ == nullptr) {
+    MS_LOG(ERROR) << "malloc input_data_ failed.";
+    return RET_ERROR;
+  }
+  memcpy(input_data_, ori_input_, prelu_param_->tile_block_ * 32 * sizeof(float));
+#endif
   return RET_OK;
 }
 
@@ -52,28 +112,44 @@ int PReluCPUKernel::Run() {
     MS_LOG(ERROR) << "Prepare fail!ret: " << prepare_ret;
     return prepare_ret;
   }
-  auto input = in_tensors_[0];
-  auto input1 = in_tensors_[1];
+  MS_ASSERT(in_shape.size() >= 2);
+  auto input_tensor = in_tensors_[0];
+  ori_input_ = reinterpret_cast<float *>(input_tensor->Data());
+  output_data_ = reinterpret_cast<float *>(out_tensors_.at(kOutputIndex)->Data());
+
+  if (prelu_param_->channelShared) {
+    auto ret = ProcessShareChannelInput();
+    if (ret != RET_OK) {
+      MS_LOG(ERROR) << "ProcessShareChannel failed.";
+      return ret;
+    }
+  } else {
+    auto ret = ProcessInput();
+    if (ret != RET_OK) {
+      MS_LOG(ERROR) << "Process failed.";
+      return ret;
+    }
+  }
 
-  prelu_param_->input_num_ = input->ElementsNum();
-  input_data = reinterpret_cast<float *>(input->Data());
-  output_data = reinterpret_cast<float *>(out_tensors_[0]->Data());
-  auto channels = input->shape();
-  prelu_param_->slope_ = reinterpret_cast<float *>(input1->Data());
-  prelu_param_->channel_num_ = channels.at(channels.size() - 1);
+  // negative slope tensor
+  auto negative_slope_tensor = in_tensors_.at(1);
+  prelu_param_->slope_ = reinterpret_cast<float *>(negative_slope_tensor->Data());
 
   auto ret = LiteBackendParallelLaunch(PReluRun, this, prelu_param_->op_parameter_.thread_num_);
   if (ret != RET_OK) {
-    MS_LOG(ERROR) << "PReluDwRun error: error_code[" << ret << "]";
+    MS_LOG(ERROR) << "PRelu Run error: error_code[" << ret << "]";
+    context_->allocator->Free(input_data_);
     return RET_ERROR;
   }
+
+  memcpy(output_data_, input_data_, prelu_param_->input_num_ * sizeof(float));
+  context_->allocator->Free(input_data_);
   return RET_OK;
 }
 
 kernel::LiteKernel *CpuPReluFp32KernelCreator(const std::vector<lite::tensor::Tensor *> &inputs,
-                                              const std::vector<lite::tensor::Tensor *> &outputs,
-                                              OpParameter *param, const lite::Context *ctx,
-                                              const kernel::KernelKey &desc,
+                                              const std::vector<lite::tensor::Tensor *> &outputs, OpParameter *param,
+                                              const lite::Context *ctx, const kernel::KernelKey &desc,
                                               const mindspore::lite::PrimitiveC *primitive) {
   if (param == nullptr) {
     MS_LOG(ERROR) << "input param is nullptr!";
@@ -87,8 +163,8 @@ kernel::LiteKernel *CpuPReluFp32KernelCreator(const std::vector<lite::tensor::Te
   }
   auto ret = kernel->Init();
   if (ret != RET_OK) {
-    MS_LOG(ERROR) << "Init kernel failed, name: " << param->name_ << ", type: "
-                  << schema::EnumNamePrimitiveType(static_cast<schema::PrimitiveType>(param->type_));
+    MS_LOG(ERROR) << "Init kernel failed, name: " << param->name_
+                  << ", type: " << schema::EnumNamePrimitiveType(static_cast<schema::PrimitiveType>(param->type_));
     delete kernel;
     return nullptr;
   }

mindspore/lite/src/runtime/kernel/arm/fp32/prelu.h

@@ -25,8 +25,8 @@ namespace mindspore::kernel {
 class PReluCPUKernel : public LiteKernel {
  public:
   PReluCPUKernel(OpParameter *parameter, const std::vector<lite::tensor::Tensor *> &inputs,
-                      const std::vector<lite::tensor::Tensor *> &outputs, const lite::Context *ctx,
-                      const mindspore::lite::PrimitiveC *primitive)
+                 const std::vector<lite::tensor::Tensor *> &outputs, const lite::Context *ctx,
+                 const mindspore::lite::PrimitiveC *primitive)
       : LiteKernel(parameter, inputs, outputs, ctx, primitive) {
     prelu_param_ = reinterpret_cast<PReluParameter *>(op_parameter_);
   }
@@ -36,11 +36,14 @@ class PReluCPUKernel : public LiteKernel {
   int ReSize() override { return 0; }
   int Run() override;
   int DoExcute(int task_id);
+  int ProcessShareChannelInput();
+  int ProcessInput();
 
  private:
   PReluParameter *prelu_param_;
-  float *input_data = nullptr;
-  float *output_data = nullptr;
+  float *ori_input_ = nullptr;
+  float *input_data_ = nullptr;
+  float *output_data_ = nullptr;
 };
 }  // namespace mindspore::kernel
 #endif  // MINDSPORE_LITE_SRC_RUNTIME_KERNEL_ARM_FP32_PRELU_H_