diff --git a/mobile/src/operators/kernel/cl/cl_kernel/conv_kernel.inc.cl b/mobile/src/operators/kernel/cl/cl_kernel/conv_kernel.inc.cl
index 7a0f3727eab7ff592a23fbefac831437605a12fe..2232cdc0a43d1bcda093007f7ef167a34b246e21 100755
--- a/mobile/src/operators/kernel/cl/cl_kernel/conv_kernel.inc.cl
+++ b/mobile/src/operators/kernel/cl/cl_kernel/conv_kernel.inc.cl
@@ -55,7 +55,7 @@ __kernel void conv_3x3(__private const int global_size_dim0,
     const int out_c = get_global_id(0);
     const int out_w = get_global_id(1);
     const int out_nh = get_global_id(2);
-    
+
     int2 output_pos = (int2)(out_c * global_size_dim1 + out_w, out_nh);
 
     if (out_c >= global_size_dim0 ||
@@ -956,7 +956,7 @@ __kernel void conv_1x1(__private const int global_size_dim0,
   const int out_nh = get_global_id(2);
 
   int2 output_pos = (int2)(out_c * global_size_dim1 + out_w, out_nh);
-    
+
   const sampler_t sampler = CLK_NORMALIZED_COORDS_TRUE |
                            CLK_ADDRESS_CLAMP         |
                            CLK_FILTER_NEAREST;
@@ -1035,7 +1035,7 @@ __kernel void conv_1x1_spl(
   int out_w1 = out_w + global_size_dim1;
   int out_w2 = out_w + global_size_dim1 * 2;
   int out_w3 = out_w + global_size_dim1 * 3;
-    
+
   int outpos_main = mul24(out_c , old_w);
   int2 output_pos0 = (int2)(outpos_main + out_w0, out_nh);
   int2 output_pos1 = (int2)(outpos_main + out_w1, out_nh);
@@ -1093,137 +1093,96 @@ __kernel void conv_1x1_spl(
     half4 weight2 = read_imageh(filter, sampler, (int2)(out_c, i * 4 + 2));
     half4 weight3 = read_imageh(filter, sampler, (int2)(out_c, i * 4 + 3));
 
-    if ((max_w_bound - pos_in.x-1) < input_width && (max_w_bound - pos_in.x-1)>=0 ){
+    int bound_gap = max_w_bound - pos_in.x - 1;
+    if (bound_gap < input_width && bound_gap >= 0){
       if (burndary_index==0){
-        output0 = mad(input0.x, weight0, output0);
-        output0 = mad(input0.y, weight1, output0);
-        output0 = mad(input0.z, weight2, output0);
-        output0 = mad(input0.w, weight3, output0);
+        // do nothing
       } else if (burndary_index==1){
-        output0 = mad(input0.x, weight0, output0);
-        output0 = mad(input0.y, weight1, output0);
-        output0 = mad(input0.z, weight2, output0);
-        output0 = mad(0.0f, weight3, output0);
-
+        input0.w = 0.0f;
       } else if (burndary_index==2){
-        output0 = mad(input0.x, weight0, output0);
-        output0 = mad(input0.y, weight1, output0);
-        output0 = mad(0.0f, weight2, output0);
-        output0 = mad(0.0f, weight3, output0);
+        input0.z = 0.0f;
+        input0.w = 0.0f;
       } else if (burndary_index==3){
-        output0 = mad(input0.x, weight0, output0);
-        output0 = mad(0.0f, weight1, output0);
-        output0 = mad(0.0f, weight2, output0);
-        output0 = mad(0.0f, weight3, output0);
+        input0.y = 0.0f;
+        input0.z = 0.0f;
+        input0.w = 0.0f;
       }
-    }else {
-      output0 = mad(input0.x, weight0, output0);
-      output0 = mad(input0.y, weight1, output0);
-      output0 = mad(input0.z, weight2, output0);
-      output0 = mad(input0.w, weight3, output0);
     }
-
+    output0 = mad(input0.x, weight0, output0);
+    output0 = mad(input0.y, weight1, output0);
+    output0 = mad(input0.z, weight2, output0);
+    output0 = mad(input0.w, weight3, output0);
     // -------------1--------------
     pos_in = (int2)(i * input_width + in_pos_in_one_block1.x, in_pos_in_one_block1.y);
     half4 input1 = read_imageh(input_image, sampler, pos_in);
 
-    if (abs(max_w_bound - pos_in.x) < input_width){
+    bound_gap = max_w_bound - pos_in.x - 1;
+    if (bound_gap < input_width && bound_gap >= 0){
       if (burndary_index==0){
-        output1 = mad(input1.x, weight0, output1);
-        output1 = mad(input1.y, weight1, output1);
-        output1 = mad(input1.z, weight2, output1);
-        output1 = mad(input1.w, weight3, output1);
+        // do nothing
       } else if (burndary_index==1){
-        output1 = mad(input1.x, weight0, output1);
-        output1 = mad(input1.y, weight1, output1);
-        output1 = mad(input1.z, weight2, output1);
-        output1 = mad(0.0f, weight3, output1);
-
+        input1.w = 0.0f;
       } else if (burndary_index==2){
-        output1 = mad(input1.x, weight0, output1);
-        output1 = mad(input1.y, weight1, output1);
-        output1 = mad(0.0f, weight2, output1);
-        output1 = mad(0.0f, weight3, output1);
+        input1.z = 0.0f;
+        input1.w = 0.0f;
       } else if (burndary_index==3){
-        output1 = mad(input1.x, weight0, output1);
-        output1 = mad(0.0f, weight1, output1);
-        output1 = mad(0.0f, weight2, output1);
-        output1 = mad(0.0f, weight3, output1);
+        input1.y = 0.0f;
+        input1.z = 0.0f;
+        input1.w = 0.0f;
       }
-    }else {
-      output1 = mad(input1.x, weight0, output1);
-      output1 = mad(input1.y, weight1, output1);
-      output1 = mad(input1.z, weight2, output1);
-      output1 = mad(input1.w, weight3, output1);
     }
+    output1 = mad(input1.x, weight0, output1);
+    output1 = mad(input1.y, weight1, output1);
+    output1 = mad(input1.z, weight2, output1);
+    output1 = mad(input1.w, weight3, output1);
 
     // -------------2--------------
     pos_in = (int2)(i * input_width + in_pos_in_one_block2.x, in_pos_in_one_block2.y);
     half4 input2 = read_imageh(input_image, sampler, pos_in);
 
-    if (abs(max_w_bound - pos_in.x) < input_width){
+    bound_gap = max_w_bound - pos_in.x - 1;
+    if (bound_gap < input_width && bound_gap >= 0){
       if (burndary_index==0){
-        output2 = mad(input2.x, weight0, output2);
-        output2 = mad(input2.y, weight1, output2);
-        output2 = mad(input2.z, weight2, output2);
-        output2 = mad(input2.w, weight3, output2);
+        // do nothing
       } else if (burndary_index==1){
-        output2 = mad(input2.x, weight0, output2);
-        output2 = mad(input2.y, weight1, output2);
-        output2 = mad(input2.z, weight2, output2);
-        output2 = mad(0.0f, weight3, output2);
-
+        input2.w = 0.0f;
       } else if (burndary_index==2){
-        output2 = mad(input2.x, weight0, output2);
-        output2 = mad(input2.y, weight1, output2);
-        output2 = mad(0.0f, weight2, output2);
-        output2 = mad(0.0f, weight3, output2);
+        input2.z = 0.0f;
+        input2.w = 0.0f;
       } else if (burndary_index==3){
-        output2 = mad(input2.x, weight0, output2);
-        output2 = mad(0.0f, weight1, output2);
-        output2 = mad(0.0f, weight2, output2);
-        output2 = mad(0.0f, weight3, output2);
+        input2.y = 0.0f;
+        input2.z = 0.0f;
+        input2.w = 0.0f;
       }
-    }else {
-      output2 = mad(input2.x, weight0, output2);
-      output2 = mad(input2.y, weight1, output2);
-      output2 = mad(input2.z, weight2, output2);
-      output2 = mad(input2.w, weight3, output2);
     }
+    output2 = mad(input2.x, weight0, output2);
+    output2 = mad(input2.y, weight1, output2);
+    output2 = mad(input2.z, weight2, output2);
+    output2 = mad(input2.w, weight3, output2);
 
     // -------------3--------------
     pos_in = (int2)(i * input_width + in_pos_in_one_block3.x, in_pos_in_one_block3.y);
     half4 input3 = read_imageh(input_image, sampler, pos_in);
-
-    if (abs(max_w_bound - pos_in.x) < input_width){
+    bound_gap = max_w_bound - pos_in.x - 1;
+    if (bound_gap < input_width && bound_gap >= 0){
       if (burndary_index==0){
-        output3 = mad(input3.x, weight0, output3);
-        output3 = mad(input3.y, weight1, output3);
-        output3 = mad(input3.z, weight2, output3);
-        output3 = mad(input3.w, weight3, output3);
+        // do nothing
       } else if (burndary_index==1){
-        output3 = mad(input3.x, weight0, output3);
-        output3 = mad(input3.y, weight1, output3);
-        output3 = mad(input3.z, weight2, output3);
-        output3 = mad(0.0f, weight3, output3);
-
+        input3.w = 0.0f;
       } else if (burndary_index==2){
-        output3 = mad(input3.x, weight0, output3);
-        output3 = mad(input3.y, weight1, output3);
-        output3 = mad(0.0f, weight2, output3);
-        output3 = mad(0.0f, weight3, output3);
+        input3.z = 0.0f;
+        input3.w = 0.0f;
       } else if (burndary_index==3){
-        output3 = mad(input3.x, weight0, output3);
-        output3 = mad(0.0f, weight1, output3);
-        output3 = mad(0.0f, weight2, output3);
-        output3 = mad(0.0f, weight3, output3);
+        input3.y = 0.0f;
+        input3.z = 0.0f;
+        input3.w = 0.0f;
       }
-    }else {
-      output3 = mad(input3.x, weight0, output3);
-      output3 = mad(input3.y, weight1, output3);
-      output3 = mad(input3.z, weight2, output3);
-      output3 = mad(input3.w, weight3, output3);
     }
+
+    output3 = mad(input3.x, weight0, output3);
+    output3 = mad(input3.y, weight1, output3);
+    output3 = mad(input3.z, weight2, output3);
+    output3 = mad(input3.w, weight3, output3);
   }
 
 #ifdef BATCH_NORM
@@ -1292,7 +1251,7 @@ __kernel void conv_7x7(__private const int global_size_dim0,
     const int out_c = get_global_id(0);
     const int out_w = get_global_id(1);
     const int out_nh = get_global_id(2);
-    
+
     int2 output_pos = (int2)(out_c * global_size_dim1 + out_w, out_nh);
 
     if (out_c >= global_size_dim0 ||
@@ -1764,7 +1723,7 @@ __kernel void conv_5x5(__private const int global_size_dim0,
     const int out_c = get_global_id(0);
     const int out_w = get_global_id(1);
     const int out_nh = get_global_id(2);
-    
+
     int2 output_pos = (int2)(out_c * global_size_dim1 + out_w, out_nh);
 
     if (out_c >= global_size_dim0 ||
@@ -1884,7 +1843,7 @@ __kernel void convBNAdd_3x3(__private const int global_size_dim0,
     const int out_c = get_global_id(0);
     const int out_w = get_global_id(1);
     const int out_nh = get_global_id(2);
-    
+
     int2 output_pos = (int2)(out_c * global_size_dim1 + out_w, out_nh);
 
     if (out_c >= global_size_dim0 ||
@@ -2193,7 +2152,7 @@ __kernel void convBNAdd_1x1(__private const int global_size_dim0,
   const int out_nh = get_global_id(2);
 
   int2 output_pos = (int2)(out_c * global_size_dim1 + out_w, out_nh);
-    
+
   const sampler_t sampler = CLK_NORMALIZED_COORDS_TRUE |
                            CLK_ADDRESS_CLAMP         |
                            CLK_FILTER_NEAREST;
@@ -2301,7 +2260,7 @@ __kernel void convBNAdd_1x1_spl(
   int2 in_pos_in_one_block3 =
           ouput_pos_in_one_block3 * stride_xy + (int2)(offset, offset);
 
-  
+
   half4 output0 = 0.0f;
   half4 output1 = 0.0f;
   half4 output2 = 0.0f;
@@ -2393,7 +2352,7 @@ __kernel void convBNAdd_1x1_spl(
     output2 += read_imageh(bias, sampler, output_pos2);
     output3 += read_imageh(bias, sampler, output_pos3);
 #endif
-      
+
 #ifdef RELU
   output0 = activation(output0);
   output1 = activation(output1);