fix opencl no persistable bias in fusion conv op (#1657)

* fix opencl no persistable bias in fusion conv op

* delete log

src/operators/kernel/cl/conv_add_bn_relu_kernel.cpp

@@ -30,8 +30,10 @@ bool ConvAddBNReluKernel<GPU_CL, float>::Init(
           param->Paddings()[0] == param->Paddings()[1],
       "need equal");
 
-  param->Bias()->InitCLImage(cl_helper_.CLContext(),
-                             cl_helper_.CLCommandQueue());
+  if (!param->Bias()->isInit()) {
+    param->Bias()->InitCLImage(cl_helper_.CLContext(),
+                               cl_helper_.CLCommandQueue());
+  }
 
   //  const CL *mean = param->InputMean();
   const framework::CLImage *mean = param->InputMean();

src/operators/kernel/cl/conv_add_kernel.cpp

@@ -26,8 +26,10 @@ bool ConvAddKernel<GPU_CL, float>::Init(FusionConvAddParam<GPU_CL> *param) {
       param->Filter()->dims()[2] == param->Filter()->dims()[3] &&
           param->Paddings()[0] == param->Paddings()[1],
       "need equal");
-  param->Bias()->InitCLImage(cl_helper_.CLContext(),
-                             this->cl_helper_.CLCommandQueue());
+  if (!param->Bias()->isInit()) {
+    param->Bias()->InitCLImage(cl_helper_.CLContext(),
+                               this->cl_helper_.CLCommandQueue());
+  }
 
   int offset = static_cast<int>(param->Filter()->dims()[2]) / 2 -
                static_cast<int>(param->Paddings()[1]);

src/operators/kernel/cl/conv_add_relu_kernel.cpp

@@ -27,8 +27,10 @@ bool ConvAddReluKernel<GPU_CL, float>::Init(
       param->Filter()->dims()[2] == param->Filter()->dims()[3] &&
           param->Paddings()[0] == param->Paddings()[1],
       "need equal");
-  param->Bias()->InitCLImage(cl_helper_.CLContext(),
-                             this->cl_helper_.CLCommandQueue());
+  if (!param->Bias()->isInit()) {
+    param->Bias()->InitCLImage(cl_helper_.CLContext(),
+                               this->cl_helper_.CLCommandQueue());
+  }
 
   int offset = static_cast<int>(param->Filter()->dims()[2]) / 2 -
                static_cast<int>(param->Paddings()[1]);