diff --git a/cmake/lite.cmake b/cmake/lite.cmake
index 98dbc9ab7e27d4239676a686d85216595b5888e1..4423e27e1af4d7bf0f0cc9e60858b8144fc3648d 100644
--- a/cmake/lite.cmake
+++ b/cmake/lite.cmake
@@ -22,7 +22,7 @@ endfunction()
 function (lite_deps TARGET)
   set(options "")
   set(oneValueArgs "")
-  set(multiValueArgs DEPS X86_DEPS CUDA_DEPS ARM_DEPS PROFILE_DEPS LIGHT_DEPS HVY_DEPS CL_DEPS FPGA_DEPS NPU_DEPS XPU_DEPS ARGS)
+  set(multiValueArgs DEPS X86_DEPS CUDA_DEPS ARM_DEPS PROFILE_DEPS LIGHT_DEPS HVY_DEPS CL_DEPS FPGA_DEPS BM_DEPS NPU_DEPS XPU_DEPS ARGS)
   cmake_parse_arguments(lite_deps "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
 
   set(deps ${lite_deps_DEPS})
@@ -94,6 +94,12 @@ function (lite_deps TARGET)
     endforeach(var)
   endif()
 
+  if (LITE_WITH_BM)
+    foreach(var ${lite_deps_BM_DEPS})
+      set(deps ${deps} ${var})
+    endforeach(var)
+  endif()
+
   set(${TARGET} ${deps} PARENT_SCOPE)
 endfunction()
 
@@ -118,7 +124,7 @@ file(WRITE ${offline_lib_registry_file} "") # clean
 function(lite_cc_library TARGET)
     set(options SHARED shared STATIC static MODULE module)
     set(oneValueArgs "")
-    set(multiValueArgs SRCS DEPS X86_DEPS CUDA_DEPS CL_DEPS NPU_DEPS XPU_DEPS ARM_DEPS FPGA_DEPS PROFILE_DEPS LIGHT_DEPS
+    set(multiValueArgs SRCS DEPS X86_DEPS CUDA_DEPS CL_DEPS NPU_DEPS XPU_DEPS ARM_DEPS FPGA_DEPS BM_DEPS PROFILE_DEPS LIGHT_DEPS
       HVY_DEPS EXCLUDE_COMPILE_DEPS ARGS)
     cmake_parse_arguments(args "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
 
@@ -132,6 +138,7 @@ function(lite_cc_library TARGET)
             XPU_DEPS ${args_XPU_DEPS}
             ARM_DEPS ${args_ARM_DEPS}
             FPGA_DEPS ${args_FPGA_DEPS}
+            BM_DEPS ${args_BM_DEPS}
             PROFILE_DEPS ${args_PROFILE_DEPS}
             LIGHT_DEPS ${args_LIGHT_DEPS}
             HVY_DEPS ${args_HVY_DEPS}
@@ -159,7 +166,7 @@ endfunction()
 function(lite_cc_binary TARGET)
     set(options "")
     set(oneValueArgs "")
-    set(multiValueArgs SRCS DEPS X86_DEPS CUDA_DEPS CL_DEPS ARM_DEPS FPGA_DEPS PROFILE_DEPS
+    set(multiValueArgs SRCS DEPS X86_DEPS CUDA_DEPS CL_DEPS ARM_DEPS FPGA_DEPS BM_DEPS PROFILE_DEPS
       LIGHT_DEPS HVY_DEPS EXCLUDE_COMPILE_DEPS ARGS)
     cmake_parse_arguments(args "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
 
@@ -171,6 +178,7 @@ function(lite_cc_binary TARGET)
             CL_DEPS ${args_CL_DEPS}
             ARM_DEPS ${args_ARM_DEPS}
             FPGA_DEPS ${args_FPGA_DEPS}
+            BM_DEPS ${args_BM_DEPS}
             PROFILE_DEPS ${args_PROFILE_DEPS}
             LIGHT_DEPS ${args_LIGHT_DEPS}
             HVY_DEPS ${args_HVY_DEPS}
@@ -203,7 +211,7 @@ function(lite_cc_test TARGET)
     endif()
     set(options "")
     set(oneValueArgs "")
-    set(multiValueArgs SRCS DEPS X86_DEPS CUDA_DEPS CL_DEPS ARM_DEPS FPGA_DEPS PROFILE_DEPS
+    set(multiValueArgs SRCS DEPS X86_DEPS CUDA_DEPS CL_DEPS ARM_DEPS FPGA_DEPS BM_DEPS PROFILE_DEPS
         LIGHT_DEPS HVY_DEPS EXCLUDE_COMPILE_DEPS
         ARGS
         COMPILE_LEVEL # (basic|extra)
@@ -223,6 +231,7 @@ function(lite_cc_test TARGET)
               CL_DEPS ${args_CL_DEPS}
               ARM_DEPS ${args_ARM_DEPS}
               FPGA_DEPS ${args_FPGA_DEPS}
+              BM_DEPS ${args_BM_DEPS}
               PROFILE_DEPS ${args_PROFILE_DEPS}
               LIGHT_DEPS ${args_LIGHT_DEPS}
               HVY_DEPS ${args_HVY_DEPS}
@@ -249,6 +258,7 @@ set(x86_kernels CACHE INTERNAL "x86 kernels")
 set(fpga_kernels CACHE INTERNAL "fpga kernels")
 set(npu_kernels CACHE INTERNAL "npu kernels")
 set(xpu_kernels CACHE INTERNAL "xpu kernels")
+set(bm_kernels CACHE INTERNAL "bm kernels")
 set(opencl_kernels CACHE INTERNAL "opencl kernels")
 set(host_kernels CACHE INTERNAL "host kernels")
 
@@ -259,12 +269,12 @@ if(LITE_BUILD_TAILOR)
   file(STRINGS ${tailored_kernels_list_path} tailored_kernels_list)
 endif()
 # add a kernel for some specific device
-# device: one of (Host, ARM, X86, NPU, FPGA, OPENCL, CUDA)
+# device: one of (Host, ARM, X86, NPU, FPGA, OPENCL, CUDA, BM)
 # level: one of (basic, extra)
 function(add_kernel TARGET device level)
     set(options "")
     set(oneValueArgs "")
-    set(multiValueArgs SRCS DEPS X86_DEPS CUDA_DEPS CL_DEPS ARM_DEPS FPGA_DEPS PROFILE_DEPS
+    set(multiValueArgs SRCS DEPS X86_DEPS CUDA_DEPS CL_DEPS ARM_DEPS FPGA_DEPS BM_DEPS PROFILE_DEPS
         LIGHT_DEPS HVY_DEPS EXCLUDE_COMPILE_DEPS
         ARGS)
     cmake_parse_arguments(args "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
@@ -330,6 +340,12 @@ function(add_kernel TARGET device level)
         endif()
         set(fpga_kernels "${fpga_kernels};${TARGET}" CACHE INTERNAL "")
     endif()
+    if ("${device}" STREQUAL "BM")
+        if (NOT LITE_WITH_BM)
+            return()
+        endif()
+        set(bm_kernels "${bm_kernels};${TARGET}" CACHE INTERNAL "")
+    endif()
     if ("${device}" STREQUAL "OPENCL")
         if (NOT LITE_WITH_OPENCL)
             return()
@@ -362,6 +378,7 @@ function(add_kernel TARGET device level)
               CL_DEPS ${args_CL_DEPS}
               ARM_DEPS ${args_ARM_DEPS}
               FPGA_DEPS ${args_FPGA_DEPS}
+              BM_DEPS ${args_BM_DEPS}
               PROFILE_DEPS ${args_PROFILE_DEPS}
               LIGHT_DEPS ${args_LIGHT_DEPS}
               HVY_DEPS ${args_HVY_DEPS}
@@ -380,7 +397,7 @@ endif()
 function(add_operator TARGET level)
     set(options "")
     set(oneValueArgs "")
-    set(multiValueArgs SRCS DEPS X86_DEPS CUDA_DEPS CL_DEPS ARM_DEPS FPGA_DEPS PROFILE_DEPS
+    set(multiValueArgs SRCS DEPS X86_DEPS CUDA_DEPS CL_DEPS ARM_DEPS BM_DEPS FPGA_DEPS PROFILE_DEPS
         LIGHT_DEPS HVY_DEPS EXCLUDE_COMPILE_DEPS
         ARGS)
     cmake_parse_arguments(args "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
@@ -411,6 +428,7 @@ function(add_operator TARGET level)
               CL_DEPS ${args_CL_DEPS}
               ARM_DEPS ${args_ARM_DEPS}
               FPGA_DEPS ${args_FPGA_DEPS}
+              BM_DEPS ${args_BM_DEPS}
               PROFILE_DEPS ${args_PROFILE_DEPS}
               LIGHT_DEPS ${args_LIGHT_DEPS}
               HVY_DEPS ${args_HVY_DEPS}
diff --git a/lite/api/CMakeLists.txt b/lite/api/CMakeLists.txt
index a98cd6881a7f40e66596e51ebd15372fcd311533..aef0fc396e6eb35a7ef85a8f2fc13651237e19a3 100644
--- a/lite/api/CMakeLists.txt
+++ b/lite/api/CMakeLists.txt
@@ -58,6 +58,11 @@ if(LITE_WITH_FPGA)
     set(cxx_api_deps ${cxx_api_deps} ${fpga_deps})
 endif()
 
+if(LITE_WITH_BM)
+    set(light_api_deps ${light_api_deps} ${bm_deps})
+    set(cxx_api_deps ${cxx_api_deps} ${bm_deps})
+endif()
+
 message(STATUS "get ops ${ops}")
 message(STATUS "get X86 kernels ${x86_kernels}")
 message(STATUS "get Host kernels ${host_kernels}")
@@ -79,7 +84,8 @@ if (NOT LITE_ON_TINY_PUBLISH)
                     NPU_DEPS ${npu_kernels} ${npu_bridges} npu_pass
                     XPU_DEPS ${xpu_kernels} ${xpu_bridges} xpu_pass
                     CL_DEPS ${opencl_kenrels}
-                    FPGA_DEPS ${fpga_kenrels})
+                    FPGA_DEPS ${fpga_kenrels}
+                    BM_DEPS ${bm_kenrels})
 endif()
 
 # for light api
@@ -245,6 +251,7 @@ lite_cc_test(test_light_api SRCS light_api_test.cc
         DEPS light_api program mir_passes paddle_api_light
         CL_DEPS ${opencl_kernels}
         FPGA_DEPS ${fpga_kernels}
+        BM_DEPS ${bm_kernels}
         ARGS --optimized_model=${LITE_MODEL_DIR}/lite_naive_model_opt SERIAL)
 
 lite_cc_test(test_apis SRCS apis_test.cc
@@ -253,6 +260,7 @@ lite_cc_test(test_apis SRCS apis_test.cc
         X86_DEPS ${x86_kernels}
         XPU_DEPS ${xpu_kernels}
         FPGA_DEPS ${fpga_kernels}
+        BM_DEPS ${bm_kernels}
         ARGS --model_dir=${LITE_MODEL_DIR}/lite_naive_model
         --optimized_model=${LITE_MODEL_DIR}/lite_naive_model_opt SERIAL)
 
@@ -298,6 +306,7 @@ if(NOT IOS)
     XPU_DEPS ${xpu_kernels}
     CL_DEPS ${opencl_kernels}
     FPGA_DEPS ${fpga_kernels}
+    BM_DEPS ${bm_kernels}
     X86_DEPS ${x86_kernels})
   lite_cc_binary(benchmark_bin SRCS benchmark.cc DEPS paddle_api_full paddle_api_light gflags utils
     ${ops} ${host_kernels}
@@ -305,6 +314,7 @@ if(NOT IOS)
     NPU_DEPS ${npu_kernels}
     XPU_DEPS ${xpu_kernels}
     CL_DEPS ${opencl_kernels}
+    BM_DEPS ${bm_kernels}
     FPGA_DEPS ${fpga_kernels}
     X86_DEPS ${x86_kernels})
 endif()
diff --git a/lite/api/test_resnet50_lite_bm.cc b/lite/api/test_resnet50_lite_bm.cc
index f637a55aae7d2cd1297f257348f344a7c1420cca..4084386a1f37270497be699fdc1ffded669cfeb7 100644
--- a/lite/api/test_resnet50_lite_bm.cc
+++ b/lite/api/test_resnet50_lite_bm.cc
@@ -107,8 +107,7 @@ void TestModel(const std::vector<Place>& valid_places) {
 
 TEST(ResNet50, test_bm) {
   std::vector<Place> valid_places({
-      Place{TARGET(kBM), PRECISION(kInt8)},
-      Place{TARGET(kBM), PRECISION(kFloat)},
+      Place{TARGET(kBM), PRECISION(kInt8)}
   });
 
   TestModel(valid_places);
diff --git a/lite/core/mir/pass_utils.cc b/lite/core/mir/pass_utils.cc
index 775e52aae0603b11ad986135b20b3f8fb9256348..4f6be2c186d2d940a799201812cce397a9e94eb4 100644
--- a/lite/core/mir/pass_utils.cc
+++ b/lite/core/mir/pass_utils.cc
@@ -54,7 +54,6 @@ bool PassMatchesTarget(const mir::Pass& pass, TargetType target) {
 }
 
 bool PassMatchesKernels(const mir::Pass& pass) {
-#if 0  
   const auto& kernels = pass.GetBoundKernels();
   for (const auto& kernel : kernels) {
     for (const auto& place : kernel.second) {
@@ -63,7 +62,6 @@ bool PassMatchesKernels(const mir::Pass& pass) {
       }
     }
   }
-#endif
   return true;
 }
 
diff --git a/lite/gen_code/CMakeLists.txt b/lite/gen_code/CMakeLists.txt
index 40c95415546d99a66abf2d6f3595ae8695c4df86..56c70cf1e1d28dcc1cd6945130520002c8150a8d 100644
--- a/lite/gen_code/CMakeLists.txt
+++ b/lite/gen_code/CMakeLists.txt
@@ -18,6 +18,7 @@ lite_cc_test(test_gen_code SRCS gen_code_test.cc
         XPU_DEPS ${xpu_kernels}
         CL_DEPS ${opencl_kernels}
         FPGA_DEPS ${fpga_kernels}
+        BM_DEPS ${bm_kernels}
         EXCLUDE_COMPILE_DEPS "ON"
         ARGS --optimized_model=${LITE_MODEL_DIR}/lite_naive_model_opt SERIAL)
 
@@ -46,6 +47,7 @@ lite_cc_test(test_generated_code SRCS generated_code_test.cc DEPS __generated_co
     XPU_DEPS ${xpu_kernels}
     CL_DEPS ${opencl_kernels}
     FPGA_DEPS ${fpga_kernels}
+    BM_DEPS ${bm_kernels}
     EXCLUDE_COMPILE_DEPS "ON"
 )
  
diff --git a/lite/kernels/bm/CMakeLists.txt b/lite/kernels/bm/CMakeLists.txt
index baa798d74188c2c9b14f8e1a2c94e0408e394ab9..3fcf3839795062279f7a24dd2e8503d4b7f52fbf 100644
--- a/lite/kernels/bm/CMakeLists.txt
+++ b/lite/kernels/bm/CMakeLists.txt
@@ -1,5 +1,9 @@
-
 if(NOT LITE_WITH_BM)
   return ()
 endif()
 
+add_kernel(conv_2d_bm BM basic SRCS conv_compute.cc DEPS ${lite_kernel_deps})
+add_kernel(calib_compute_bm BM basic SRCS calib_compute.cc DEPS ${lite_kernel_deps})
+
+message(STATUS "compile with lite BM kernels")
+
diff --git a/lite/kernels/bm/calib_compute.cc b/lite/kernels/bm/calib_compute.cc
new file mode 100644
index 0000000000000000000000000000000000000000..c54e04e5ef4ff9f73e3ef982d3bfec47a1a90040
--- /dev/null
+++ b/lite/kernels/bm/calib_compute.cc
@@ -0,0 +1,77 @@
+// Copyright (c) 2019 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.
+
+#include "lite/kernels/bm/calib_compute.h"
+#include <vector>
+#include "lite/core/op_registry.h"
+#include "lite/core/type_system.h"
+
+namespace paddle {
+namespace lite {
+namespace kernels {
+namespace bm {
+
+void CalibComputeFp32ToInt8::Run() {
+  return;
+}
+
+void CalibComputeInt8ToFp32::Run() {
+  return;
+}
+
+}  // namespace bm
+}  // namespace kernels
+}  // namespace lite
+}  // namespace paddle
+
+REGISTER_LITE_KERNEL(calib,
+                     kBM,
+                     kInt8,
+                     kNCHW,
+                     paddle::lite::kernels::bm::CalibComputeFp32ToInt8,
+                     fp32_to_int8)
+    .BindInput("Input",
+               {LiteType::GetTensorTy(TARGET(kBM), PRECISION(kFloat))})
+    .BindOutput("Out", {LiteType::GetTensorTy(TARGET(kBM), PRECISION(kInt8))})
+    .Finalize();
+
+REGISTER_LITE_KERNEL(calib,
+                     kBM,
+                     kInt8,
+                     kNCHW,
+                     paddle::lite::kernels::bm::CalibComputeInt8ToFp32,
+                     int8_to_fp32)
+    .BindInput("Input", {LiteType::GetTensorTy(TARGET(kBM), PRECISION(kInt8))})
+    .BindOutput("Out", {LiteType::GetTensorTy(TARGET(kBM), PRECISION(kFloat))})
+    .Finalize();
+REGISTER_LITE_KERNEL(calib_once,
+                     kBM,
+                     kInt8,
+                     kNCHW,
+                     paddle::lite::kernels::bm::CalibComputeFp32ToInt8,
+                     fp32_to_int8)
+    .BindInput("Input",
+               {LiteType::GetTensorTy(TARGET(kBM), PRECISION(kFloat))})
+    .BindOutput("Out", {LiteType::GetTensorTy(TARGET(kBM), PRECISION(kInt8))})
+    .Finalize();
+
+REGISTER_LITE_KERNEL(calib_once,
+                     kBM,
+                     kInt8,
+                     kNCHW,
+                     paddle::lite::kernels::bm::CalibComputeInt8ToFp32,
+                     int8_to_fp32)
+    .BindInput("Input", {LiteType::GetTensorTy(TARGET(kBM), PRECISION(kInt8))})
+    .BindOutput("Out", {LiteType::GetTensorTy(TARGET(kBM), PRECISION(kFloat))})
+    .Finalize();
diff --git a/lite/kernels/bm/calib_compute.h b/lite/kernels/bm/calib_compute.h
new file mode 100644
index 0000000000000000000000000000000000000000..8a5bf057c08c0ebe5084d9a1944306db9c1dcd88
--- /dev/null
+++ b/lite/kernels/bm/calib_compute.h
@@ -0,0 +1,51 @@
+// Copyright (c) 2019 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.
+
+#pragma once
+#include "lite/core/kernel.h"
+#include "lite/operators/calib_op.h"
+
+namespace paddle {
+namespace lite {
+namespace kernels {
+namespace bm {
+
+class CalibComputeFp32ToInt8
+    : public KernelLite<TARGET(kBM), PRECISION(kInt8)> {
+ public:
+  using param_t = operators::CalibParam;
+
+  void Run() override;
+
+  ~CalibComputeFp32ToInt8() override{};
+
+ private:
+};
+
+class CalibComputeInt8ToFp32
+    : public KernelLite<TARGET(kBM), PRECISION(kInt8)> {
+ public:
+  using param_t = operators::CalibParam;
+
+  void Run() override;
+
+  ~CalibComputeInt8ToFp32() override{};
+
+ private:
+};
+
+}  // namespace bm
+}  // namespace kernels
+}  // namespace lite
+}  // namespace paddle
diff --git a/lite/kernels/bm/conv_compute.cc b/lite/kernels/bm/conv_compute.cc
new file mode 100644
index 0000000000000000000000000000000000000000..644dabe2012982153963f6f02b78c85dfd43ec6f
--- /dev/null
+++ b/lite/kernels/bm/conv_compute.cc
@@ -0,0 +1,71 @@
+// Copyright (c) 2019 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.
+
+#include "lite/kernels/bm/conv_compute.h"
+#include <vector>
+#include "lite/core/op_registry.h"
+
+namespace paddle {
+namespace lite {
+namespace kernels {
+namespace bm {
+
+template class ConvComputeInt8<PRECISION(kInt8)>;
+template class ConvComputeInt8<PRECISION(kFloat)>;
+
+}  // namespace bm
+}  // namespace kernels
+}  // namespace lite
+}  // namespace paddle
+
+REGISTER_LITE_KERNEL(
+    conv2d, kBM, kFloat, kNCHW, paddle::lite::kernels::bm::ConvCompute, def)
+    .BindInput("Input",
+               {LiteType::GetTensorTy(TARGET(kBM),
+                                      PRECISION(kFloat),
+                                      DATALAYOUT(kNCHW))})
+    .BindInput("Bias",
+               {LiteType::GetTensorTy(TARGET(kBM), PRECISION(kFloat))})
+    .BindInput("Filter",
+               {LiteType::GetTensorTy(TARGET(kBM),
+                                      PRECISION(kFloat),
+                                      DATALAYOUT(kNCHW))})
+    .BindOutput("Output",
+                {LiteType::GetTensorTy(TARGET(kBM),
+                                       PRECISION(kFloat),
+                                       DATALAYOUT(kNCHW))})
+    .Finalize();
+
+REGISTER_LITE_KERNEL(
+    conv2d,
+    kBM,
+    kInt8,
+    kNCHW,
+    paddle::lite::kernels::bm::ConvComputeInt8<PRECISION(kInt8)>,
+    int8_out)
+    .BindInput("Input",
+               {LiteType::GetTensorTy(TARGET(kBM),
+                                      PRECISION(kInt8),
+                                      DATALAYOUT(kNCHW))})
+    .BindInput("Bias",
+               {LiteType::GetTensorTy(TARGET(kBM), PRECISION(kFloat))})
+    .BindInput("Filter",
+               {LiteType::GetTensorTy(TARGET(kBM),
+                                      PRECISION(kInt8),
+                                      DATALAYOUT(kNCHW))})
+    .BindOutput("Output",
+                {LiteType::GetTensorTy(TARGET(kBM),
+                                       PRECISION(kInt8),
+                                       DATALAYOUT(kNCHW))})
+    .Finalize();
diff --git a/lite/kernels/bm/conv_compute.h b/lite/kernels/bm/conv_compute.h
new file mode 100644
index 0000000000000000000000000000000000000000..bf5f7d7aa6d6e341a95454959441c29b91a73de0
--- /dev/null
+++ b/lite/kernels/bm/conv_compute.h
@@ -0,0 +1,46 @@
+// Copyright (c) 2019 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.
+
+#pragma once
+#include "lite/core/kernel.h"
+
+namespace paddle {
+namespace lite {
+namespace kernels {
+namespace bm {
+
+class ConvCompute : public KernelLite<TARGET(kBM), PRECISION(kFloat)> {
+ public:
+  using param_t = operators::ConvParam;
+
+  void PrepareForRun() {};
+  void Run() {};
+  virtual ~ConvCompute() = default;
+};
+
+template <PrecisionType Ptype_out>
+class ConvComputeInt8
+    : public KernelLite<TARGET(kBM), PRECISION(kInt8), DATALAYOUT(kNCHW)> {
+ public:
+  using param_t = operators::ConvParam;
+
+  void PrepareForRun() {};
+  void Run() {};
+  virtual ~ConvComputeInt8() = default;
+};
+
+}  // namespace bm
+}  // namespace kernels
+}  // namespace lite
+}  // namespace paddle