diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 967555a88..d657739cc 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -88,8 +88,8 @@ macro(ncnn_add_layer class)
     if(WITH_LAYER_${name}_vulkan)
         set(layer_declaration "${layer_declaration}#include \"layer/vulkan/${name}_vulkan.h\"\n")
         set(layer_declaration_class "${layer_declaration_class}, virtual public ${class}_vulkan")
-        set(create_pipeline_content "${create_pipeline_content}        if (opt.use_vulkan_compute) { int ret = ${class}_vulkan::create_pipeline(opt); if (ret) return ret; }\n")
-        set(destroy_pipeline_content "        if (opt.use_vulkan_compute) { int ret = ${class}_vulkan::destroy_pipeline(opt); if (ret) return ret; }\n${destroy_pipeline_content}")
+        set(create_pipeline_content "${create_pipeline_content}        if (vkdev) { int ret = ${class}_vulkan::create_pipeline(opt); if (ret) return ret; }\n")
+        set(destroy_pipeline_content "        if (vkdev) { int ret = ${class}_vulkan::destroy_pipeline(opt); if (ret) return ret; }\n${destroy_pipeline_content}")
 
         file(GLOB_RECURSE SHADER_SRCS "layer/vulkan/shader/${name}.comp")
         file(GLOB_RECURSE SHADER_SUBSRCS "layer/vulkan/shader/${name}_*.comp")
diff --git a/src/layer/arm/concat_arm.cpp b/src/layer/arm/concat_arm.cpp
index c3722b990..a2283a4ab 100644
--- a/src/layer/arm/concat_arm.cpp
+++ b/src/layer/arm/concat_arm.cpp
@@ -35,9 +35,6 @@ int Concat_arm::create_pipeline(const Option& opt)
     if (opt.use_packing_layout)
     {
 
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     {
         packing_pack4 = ncnn::create_layer(ncnn::LayerType::Packing);
 
@@ -46,7 +43,7 @@ int Concat_arm::create_pipeline(const Option& opt)
 
         packing_pack4->load_param(pd);
 
-        packing_pack4->create_pipeline(opt_cpu);
+        packing_pack4->create_pipeline(opt);
     }
 
     }
@@ -61,13 +58,9 @@ int Concat_arm::destroy_pipeline(const Option& opt)
     if (opt.use_packing_layout)
     {
 
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     if (packing_pack4)
     {
-        packing_pack4->destroy_pipeline(opt_cpu);
-
+        packing_pack4->destroy_pipeline(opt);
         delete packing_pack4;
         packing_pack4 = 0;
     }
diff --git a/src/layer/arm/convolution_arm.cpp b/src/layer/arm/convolution_arm.cpp
index 0a26878ea..28cfceab9 100644
--- a/src/layer/arm/convolution_arm.cpp
+++ b/src/layer/arm/convolution_arm.cpp
@@ -95,9 +95,7 @@ int Convolution_arm::create_pipeline(const Option& opt)
 
     if (activation)
     {
-        Option opt_cpu = opt;
-        opt_cpu.use_vulkan_compute = false;
-        activation->create_pipeline(opt_cpu);
+        activation->create_pipeline(opt);
     }
 
     const int maxk = kernel_w * kernel_h;
@@ -393,9 +391,7 @@ int Convolution_arm::destroy_pipeline(const Option& opt)
 {
     if (activation)
     {
-        Option opt_cpu = opt;
-        opt_cpu.use_vulkan_compute = false;
-        activation->destroy_pipeline(opt_cpu);
+        activation->destroy_pipeline(opt);
         delete activation;
         activation = 0;
     }
diff --git a/src/layer/arm/convolutiondepthwise_arm.cpp b/src/layer/arm/convolutiondepthwise_arm.cpp
index b39185677..159e07018 100644
--- a/src/layer/arm/convolutiondepthwise_arm.cpp
+++ b/src/layer/arm/convolutiondepthwise_arm.cpp
@@ -47,9 +47,6 @@ ConvolutionDepthWise_arm::ConvolutionDepthWise_arm()
 
 int ConvolutionDepthWise_arm::create_pipeline(const Option& opt)
 {
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     if (activation_type == 1)
     {
         activation = ncnn::create_layer(ncnn::LayerType::ReLU);
@@ -84,7 +81,7 @@ int ConvolutionDepthWise_arm::create_pipeline(const Option& opt)
 
     if (activation)
     {
-        activation->create_pipeline(opt_cpu);
+        activation->create_pipeline(opt);
     }
 
     // create Convolution op for each group
@@ -193,7 +190,7 @@ int ConvolutionDepthWise_arm::create_pipeline(const Option& opt)
             op->load_model(ModelBinFromMatArray(weights));
         }
 
-        op->create_pipeline(opt_cpu);
+        op->create_pipeline(opt);
 
         group_ops[g] = op;
     }
@@ -203,19 +200,16 @@ int ConvolutionDepthWise_arm::create_pipeline(const Option& opt)
 
 int ConvolutionDepthWise_arm::destroy_pipeline(const Option& opt)
 {
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     if (activation)
     {
-        activation->destroy_pipeline(opt_cpu);
+        activation->destroy_pipeline(opt);
         delete activation;
         activation = 0;
     }
 
     for (int i=0; i<(int)group_ops.size(); i++)
     {
-        group_ops[i]->destroy_pipeline(opt_cpu);
+        group_ops[i]->destroy_pipeline(opt);
         delete group_ops[i];
     }
     group_ops.clear();
diff --git a/src/layer/arm/deconvolution_arm.cpp b/src/layer/arm/deconvolution_arm.cpp
index 5f6cbbabb..fb6f5d1da 100644
--- a/src/layer/arm/deconvolution_arm.cpp
+++ b/src/layer/arm/deconvolution_arm.cpp
@@ -73,9 +73,7 @@ int Deconvolution_arm::create_pipeline(const Option& opt)
 
     if (activation)
     {
-        Option opt_cpu = opt;
-        opt_cpu.use_vulkan_compute = false;
-        activation->create_pipeline(opt_cpu);
+        activation->create_pipeline(opt);
     }
 
     const int maxk = kernel_w * kernel_h;
@@ -264,9 +262,7 @@ int Deconvolution_arm::destroy_pipeline(const Option& opt)
 {
     if (activation)
     {
-        Option opt_cpu = opt;
-        opt_cpu.use_vulkan_compute = false;
-        activation->destroy_pipeline(opt_cpu);
+        activation->destroy_pipeline(opt);
         delete activation;
         activation = 0;
     }
diff --git a/src/layer/arm/deconvolutiondepthwise_arm.cpp b/src/layer/arm/deconvolutiondepthwise_arm.cpp
index cbcc8f52e..7d209990f 100644
--- a/src/layer/arm/deconvolutiondepthwise_arm.cpp
+++ b/src/layer/arm/deconvolutiondepthwise_arm.cpp
@@ -36,9 +36,6 @@ DeconvolutionDepthWise_arm::DeconvolutionDepthWise_arm()
 
 int DeconvolutionDepthWise_arm::create_pipeline(const Option& opt)
 {
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     if (activation_type == 1)
     {
         activation = ncnn::create_layer(ncnn::LayerType::ReLU);
@@ -73,7 +70,7 @@ int DeconvolutionDepthWise_arm::create_pipeline(const Option& opt)
 
     if (activation)
     {
-        activation->create_pipeline(opt_cpu);
+        activation->create_pipeline(opt);
     }
 
     // create Deconvolution op for each group
@@ -167,7 +164,7 @@ int DeconvolutionDepthWise_arm::create_pipeline(const Option& opt)
             op->load_model(ModelBinFromMatArray(weights));
         }
 
-        op->create_pipeline(opt_cpu);
+        op->create_pipeline(opt);
 
         group_ops[g] = op;
     }
@@ -177,19 +174,16 @@ int DeconvolutionDepthWise_arm::create_pipeline(const Option& opt)
 
 int DeconvolutionDepthWise_arm::destroy_pipeline(const Option& opt)
 {
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     if (activation)
     {
-        activation->destroy_pipeline(opt_cpu);
+        activation->destroy_pipeline(opt);
         delete activation;
         activation = 0;
     }
 
     for (int i=0; i<(int)group_ops.size(); i++)
     {
-        group_ops[i]->destroy_pipeline(opt_cpu);
+        group_ops[i]->destroy_pipeline(opt);
         delete group_ops[i];
     }
     group_ops.clear();
diff --git a/src/layer/arm/innerproduct_arm.cpp b/src/layer/arm/innerproduct_arm.cpp
index ca8089efd..6721103d6 100644
--- a/src/layer/arm/innerproduct_arm.cpp
+++ b/src/layer/arm/innerproduct_arm.cpp
@@ -48,10 +48,7 @@ int InnerProduct_arm::create_pipeline(const Option& opt)
 
         flatten->load_param(pd);
 
-        Option opt_cpu = opt;
-        opt_cpu.use_vulkan_compute = false;
-
-        flatten->create_pipeline(opt_cpu);
+        flatten->create_pipeline(opt);
     }
 
     } // opt.use_packing_layout
@@ -64,10 +61,7 @@ int InnerProduct_arm::destroy_pipeline(const Option& opt)
 {
     if (flatten)
     {
-        Option opt_cpu = opt;
-        opt_cpu.use_vulkan_compute = false;
-
-        flatten->destroy_pipeline(opt_cpu);
+        flatten->destroy_pipeline(opt);
         delete flatten;
         flatten = 0;
     }
diff --git a/src/layer/arm/reshape_arm.cpp b/src/layer/arm/reshape_arm.cpp
index d6da147fa..16f066570 100644
--- a/src/layer/arm/reshape_arm.cpp
+++ b/src/layer/arm/reshape_arm.cpp
@@ -44,10 +44,7 @@ int Reshape_arm::create_pipeline(const Option& opt)
 
         flatten->load_param(pd);
 
-        Option opt_cpu = opt;
-        opt_cpu.use_vulkan_compute = false;
-
-        flatten->create_pipeline(opt_cpu);
+        flatten->create_pipeline(opt);
     }
 #endif // __ARM_NEON
 
@@ -58,10 +55,7 @@ int Reshape_arm::destroy_pipeline(const Option& opt)
 {
     if (flatten)
     {
-        Option opt_cpu = opt;
-        opt_cpu.use_vulkan_compute = false;
-
-        flatten->destroy_pipeline(opt_cpu);
+        flatten->destroy_pipeline(opt);
         delete flatten;
         flatten = 0;
     }
diff --git a/src/layer/convolution.cpp b/src/layer/convolution.cpp
index 16b4beb36..c96f27923 100644
--- a/src/layer/convolution.cpp
+++ b/src/layer/convolution.cpp
@@ -77,9 +77,6 @@ int Convolution::load_model(const ModelBin& mb)
 
 int Convolution::create_pipeline(const Option& opt)
 {
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     use_int8_inference = opt.use_int8_inference;
 
     if (int8_scale_term == 0)
@@ -113,7 +110,7 @@ int Convolution::create_pipeline(const Option& opt)
 
             op->load_param(pd);
 
-            op->create_pipeline(opt_cpu);
+            op->create_pipeline(opt);
 
             ncnn::Option opt;
             opt.blob_allocator = int8_weight_data.allocator;
@@ -138,7 +135,7 @@ int Convolution::create_pipeline(const Option& opt)
 
             quantize->load_param(pd);
 
-            quantize->create_pipeline(opt_cpu);
+            quantize->create_pipeline(opt);
         }
 
         dequantize_ops.resize(num_output);
@@ -160,7 +157,7 @@ int Convolution::create_pipeline(const Option& opt)
 
             dequantize_ops[n]->load_param(pd);
 
-            dequantize_ops[n]->create_pipeline(opt_cpu);
+            dequantize_ops[n]->create_pipeline(opt);
 
             ncnn::Mat weights[1];
             weights[0] = bias_data.range(n, 1);
@@ -176,26 +173,23 @@ int Convolution::create_pipeline(const Option& opt)
 
 int Convolution::destroy_pipeline(const Option& opt)
 {
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     if (quantize)
     {
-        quantize->destroy_pipeline(opt_cpu);
+        quantize->destroy_pipeline(opt);
         delete quantize;
         quantize = 0;
     }
 
     for (int i=0; i<(int)dequantize_ops.size(); i++)
     {
-        dequantize_ops[i]->destroy_pipeline(opt_cpu);
+        dequantize_ops[i]->destroy_pipeline(opt);
         delete dequantize_ops[i];
     }
     dequantize_ops.clear();
 
     for (int i=0; i<(int)requantize_ops.size(); i++)
     {
-        requantize_ops[i]->destroy_pipeline(opt_cpu);
+        requantize_ops[i]->destroy_pipeline(opt);
         delete requantize_ops[i];
     }
     requantize_ops.clear();
@@ -289,9 +283,7 @@ int Convolution::forward(const Mat& bottom_blob, Mat& top_blob, const Option& op
 
             op->load_model(ModelBinFromMatArray(weights));
 
-            Option opt_cpu = opt;
-            opt_cpu.use_vulkan_compute = false;
-            op->create_pipeline(opt_cpu);
+            op->create_pipeline(opt);
 
             // forward
             op->forward(bottom_blob, top_blob, opt);
diff --git a/src/layer/convolutiondepthwise.cpp b/src/layer/convolutiondepthwise.cpp
index d0f16c32b..946ff83db 100644
--- a/src/layer/convolutiondepthwise.cpp
+++ b/src/layer/convolutiondepthwise.cpp
@@ -100,9 +100,6 @@ int ConvolutionDepthWise::load_model(const ModelBin& mb)
 
 int ConvolutionDepthWise::create_pipeline(const Option& opt)
 {
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     use_int8_inference = opt.use_int8_inference;
 
     if (int8_scale_term == 0)
@@ -135,7 +132,7 @@ int ConvolutionDepthWise::create_pipeline(const Option& opt)
 
             op->load_param(pd);
 
-            op->create_pipeline(opt_cpu);
+            op->create_pipeline(opt);
 
             ncnn::Option opt;
             opt.blob_allocator = int8_weight_data.allocator;
@@ -164,7 +161,7 @@ int ConvolutionDepthWise::create_pipeline(const Option& opt)
 
             quantize_ops[g]->load_param(pd);
 
-            quantize_ops[g]->create_pipeline(opt_cpu);
+            quantize_ops[g]->create_pipeline(opt);
         }
 
         for (int g=0; g<group; g++)
@@ -189,7 +186,7 @@ int ConvolutionDepthWise::create_pipeline(const Option& opt)
 
             dequantize_ops[g]->load_model(ModelBinFromMatArray(weights));
 
-            dequantize_ops[g]->create_pipeline(opt_cpu);
+            dequantize_ops[g]->create_pipeline(opt);
 
             dequantize_scales.push_back(top_rescale);
         }
@@ -200,26 +197,23 @@ int ConvolutionDepthWise::create_pipeline(const Option& opt)
 
 int ConvolutionDepthWise::destroy_pipeline(const Option& opt)
 {
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     for (int i=0; i<(int)quantize_ops.size(); i++)
     {
-        quantize_ops[i]->destroy_pipeline(opt_cpu);
+        quantize_ops[i]->destroy_pipeline(opt);
         delete quantize_ops[i];
     }
     quantize_ops.clear();
 
     for (int i=0; i<(int)dequantize_ops.size(); i++)
     {
-        dequantize_ops[i]->destroy_pipeline(opt_cpu);
+        dequantize_ops[i]->destroy_pipeline(opt);
         delete dequantize_ops[i];
     }
     dequantize_ops.clear();
 
     for (int i=0; i<(int)requantize_ops.size(); i++)
     {
-        requantize_ops[i]->destroy_pipeline(opt_cpu);
+        requantize_ops[i]->destroy_pipeline(opt);
         delete requantize_ops[i];
     }
     requantize_ops.clear();
diff --git a/src/layer/innerproduct.cpp b/src/layer/innerproduct.cpp
index a25f32c8f..f4b0e97f5 100644
--- a/src/layer/innerproduct.cpp
+++ b/src/layer/innerproduct.cpp
@@ -64,9 +64,6 @@ int InnerProduct::load_model(const ModelBin& mb)
 
 int InnerProduct::create_pipeline(const Option& opt)
 {
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     use_int8_inference = opt.use_int8_inference;
 
     if (int8_scale_term == 0)
@@ -91,7 +88,7 @@ int InnerProduct::create_pipeline(const Option& opt)
 
             quantize->load_param(pd);
 
-            quantize->create_pipeline(opt_cpu);
+            quantize->create_pipeline(opt);
         }
 
         dequantize_ops.resize(num_output);
@@ -118,7 +115,7 @@ int InnerProduct::create_pipeline(const Option& opt)
 
             dequantize_ops[n]->load_model(ModelBinFromMatArray(weights));
 
-            dequantize_ops[n]->create_pipeline(opt_cpu);
+            dequantize_ops[n]->create_pipeline(opt);
         }
     }
 
@@ -141,7 +138,7 @@ int InnerProduct::create_pipeline(const Option& opt)
 
             op->load_param(pd);
 
-            op->create_pipeline(opt_cpu);
+            op->create_pipeline(opt);
 
             ncnn::Option opt;
             opt.blob_allocator = int8_weight_data.allocator;
@@ -161,19 +158,16 @@ int InnerProduct::create_pipeline(const Option& opt)
 
 int InnerProduct::destroy_pipeline(const Option& opt)
 {
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     if (quantize)
     {
-        quantize->destroy_pipeline(opt_cpu);
+        quantize->destroy_pipeline(opt);
         delete quantize;
         quantize = 0;
     }
 
     for (int i=0; i<(int)dequantize_ops.size(); i++)
     {
-        dequantize_ops[i]->destroy_pipeline(opt_cpu);
+        dequantize_ops[i]->destroy_pipeline(opt);
         delete dequantize_ops[i];
     }
     dequantize_ops.clear();
diff --git a/src/layer/x86/convolution_x86.cpp b/src/layer/x86/convolution_x86.cpp
index 726fed3f3..9bdb5aaf1 100644
--- a/src/layer/x86/convolution_x86.cpp
+++ b/src/layer/x86/convolution_x86.cpp
@@ -47,9 +47,6 @@ Convolution_x86::Convolution_x86()
 
 int Convolution_x86::create_pipeline(const Option& opt)
 {
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     if (activation_type == 1)
     {
         activation = ncnn::create_layer(ncnn::LayerType::ReLU);
@@ -84,7 +81,7 @@ int Convolution_x86::create_pipeline(const Option& opt)
 
     if (activation)
     {
-        activation->create_pipeline(opt_cpu);
+        activation->create_pipeline(opt);
     }
 
     use_winograd3x3 = false;
@@ -122,12 +119,9 @@ int Convolution_x86::create_pipeline(const Option& opt)
 
 int Convolution_x86::destroy_pipeline(const Option& opt)
 {
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     if (activation)
     {
-        activation->destroy_pipeline(opt_cpu);
+        activation->destroy_pipeline(opt);
         delete activation;
         activation = 0;
     }
diff --git a/src/layer/x86/convolutiondepthwise_x86.cpp b/src/layer/x86/convolutiondepthwise_x86.cpp
index 85a74bb40..b7ce6810a 100644
--- a/src/layer/x86/convolutiondepthwise_x86.cpp
+++ b/src/layer/x86/convolutiondepthwise_x86.cpp
@@ -35,9 +35,6 @@ ConvolutionDepthWise_x86::ConvolutionDepthWise_x86()
 
 int ConvolutionDepthWise_x86::create_pipeline(const Option& opt)
 {
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     if (activation_type == 1)
     {
         activation = ncnn::create_layer(ncnn::LayerType::ReLU);
@@ -72,7 +69,7 @@ int ConvolutionDepthWise_x86::create_pipeline(const Option& opt)
 
     if (activation)
     {
-        activation->create_pipeline(opt_cpu);
+        activation->create_pipeline(opt);
     }
 
     // create Convolution op for each group
@@ -156,7 +153,7 @@ int ConvolutionDepthWise_x86::create_pipeline(const Option& opt)
             op->load_model(ModelBinFromMatArray(weights));
         }
 
-        op->create_pipeline(opt_cpu);
+        op->create_pipeline(opt);
 
         group_ops[g] = op;
     }      
@@ -166,19 +163,16 @@ int ConvolutionDepthWise_x86::create_pipeline(const Option& opt)
 
 int ConvolutionDepthWise_x86::destroy_pipeline(const Option& opt)
 {
-    Option opt_cpu = opt;
-    opt_cpu.use_vulkan_compute = false;
-
     if (activation)
     {
-        activation->destroy_pipeline(opt_cpu);
+        activation->destroy_pipeline(opt);
         delete activation;
         activation = 0;
     }
 
     for (int i=0; i<(int)group_ops.size(); i++)
     {
-        group_ops[i]->destroy_pipeline(opt_cpu);
+        group_ops[i]->destroy_pipeline(opt);
         delete group_ops[i];
     }
     group_ops.clear();
diff --git a/src/layer/yolodetectionoutput.cpp b/src/layer/yolodetectionoutput.cpp
index 244a4bb27..8d8518687 100644
--- a/src/layer/yolodetectionoutput.cpp
+++ b/src/layer/yolodetectionoutput.cpp
@@ -48,9 +48,7 @@ int YoloDetectionOutput::create_pipeline(const Option& opt)
 
         softmax->load_param(pd);
 
-        Option opt_cpu = opt;
-        opt_cpu.use_vulkan_compute = false;
-        softmax->create_pipeline(opt_cpu);
+        softmax->create_pipeline(opt);
     }
 
     return 0;
@@ -60,9 +58,7 @@ int YoloDetectionOutput::destroy_pipeline(const Option& opt)
 {
     if (softmax)
     {
-        Option opt_cpu = opt;
-        opt_cpu.use_vulkan_compute = false;
-        softmax->destroy_pipeline(opt_cpu);
+        softmax->destroy_pipeline(opt);
         delete softmax;
         softmax = 0;
     }