let cpu instance compiled into a single .so file

example/cpu_01_conv2d_fwd/CMakeLists.txt

 add_example_executable(example_cpu_conv2d_fwd cpu_conv2d_fwd.cpp)
-target_link_libraries(example_cpu_conv2d_fwd PRIVATE device_conv2d_fwd_cpu_instance)
+target_link_libraries(example_cpu_conv2d_fwd PRIVATE ck_cpu_instance)
 
 set_target_properties(example_cpu_conv2d_fwd PROPERTIES LINK_FLAGS "${OMP_LINK_FLAG}")
 target_link_libraries(example_cpu_conv2d_fwd PRIVATE "${OMP_LIBRARY}")

example/cpu_02_conv2d_fwd_bias_relu_add/CMakeLists.txt

 add_example_executable(example_cpu_conv2d_fwd_bias_relu_add cpu_conv2d_fwd_bias_relu_add.cpp)
-target_link_libraries(example_cpu_conv2d_fwd_bias_relu_add PRIVATE device_conv2d_fwd_bias_activation_add_cpu_instance)
+target_link_libraries(example_cpu_conv2d_fwd_bias_relu_add PRIVATE ck_cpu_instance)
 
 set_target_properties(example_cpu_conv2d_fwd_bias_relu_add PROPERTIES LINK_FLAGS "${OMP_LINK_FLAG}")
 target_link_libraries(example_cpu_conv2d_fwd_bias_relu_add PRIVATE "${OMP_LIBRARY}")

library/src/tensor_operation_instance/cpu/CMakeLists.txt

@@ -21,5 +21,14 @@ function(add_instance_library INSTANCE_NAME)
     set_target_properties(${INSTANCE_NAME} PROPERTIES POSITION_INDEPENDENT_CODE ON)
 endfunction(add_instance_library INSTANCE_NAME)
 
+set(CK_CPU_INSTANCE_SRC)
+
 add_subdirectory(conv2d_fwd)
 add_subdirectory(conv2d_fwd_bias_activation_add)
+
+add_library(ck_cpu_instance SHARED ${CK_CPU_INSTANCE_SRC})
+target_compile_features(ck_cpu_instance PUBLIC)
+set_target_properties(ck_cpu_instance PROPERTIES POSITION_INDEPENDENT_CODE ON)
+target_link_libraries(ck_cpu_instance PRIVATE "${OMP_LIBRARY}")
+target_compile_options(ck_cpu_instance PRIVATE "${OMP_CXX_FLAG}")
+install(TARGETS ck_cpu_instance LIBRARY DESTINATION lib)

library/src/tensor_operation_instance/cpu/conv2d_fwd/CMakeLists.txt

-# device_conv2d_fwd_cpu_instance
-set(DEVICE_CONV2D_FWD_CPU_INSTANCE_SOURCE
-   device_conv2d_fwd_avx2_nhwc_kyxc_nhwk_instance.cpp
-   device_conv2d_fwd_avx2_nhwc_kyxck8_nhwk_instance.cpp
-   device_conv2d_fwd_avx2_nhwc_yxck_nhwk_instance.cpp
+file(GLOB tmp *.cpp)
+set(CK_CPU_INSTANCE_SRC
+   ${CK_CPU_INSTANCE_SRC}
+   ${tmp}
+   PARENT_SCOPE
 )
-add_library(device_conv2d_fwd_cpu_instance SHARED ${DEVICE_CONV2D_FWD_CPU_INSTANCE_SOURCE}) 
-target_compile_features(device_conv2d_fwd_cpu_instance PUBLIC)
-set_target_properties(device_conv2d_fwd_cpu_instance PROPERTIES POSITION_INDEPENDENT_CODE ON)
-target_link_libraries(device_conv2d_fwd_cpu_instance PRIVATE "${OMP_LIBRARY}")
-target_compile_options(device_conv2d_fwd_cpu_instance PRIVATE "${OMP_CXX_FLAG}")
-install(TARGETS device_conv2d_fwd_cpu_instance LIBRARY DESTINATION lib) 
-
-clang_tidy_check(device_conv2d_fwd_cpu_instance)

library/src/tensor_operation_instance/cpu/conv2d_fwd_bias_activation_add/CMakeLists.txt

-# device_conv2d_fwd_bias_activation_add_cpu_instance
-set(DEVICE_CONV2D_FWD_CPU_INSTANCE_SOURCE
-   device_conv2d_bias_activation_add_avx2_nhwc_kyxc_nhwk_instance.cpp
-   device_conv2d_bias_activation_add_avx2_nhwc_kyxck8_nhwk_instance.cpp
-   device_conv2d_bias_activation_add_avx2_nhwc_yxck_nhwk_instance.cpp
+file(GLOB tmp *.cpp)
+set(CK_CPU_INSTANCE_SRC
+   ${CK_CPU_INSTANCE_SRC}
+   ${tmp}
+   PARENT_SCOPE
 )
-add_library(device_conv2d_fwd_bias_activation_add_cpu_instance SHARED ${DEVICE_CONV2D_FWD_CPU_INSTANCE_SOURCE}) 
-target_compile_features(device_conv2d_fwd_bias_activation_add_cpu_instance PUBLIC)
-set_target_properties(device_conv2d_fwd_bias_activation_add_cpu_instance PROPERTIES POSITION_INDEPENDENT_CODE ON)
-target_link_libraries(device_conv2d_fwd_bias_activation_add_cpu_instance PRIVATE "${OMP_LIBRARY}")
-target_compile_options(device_conv2d_fwd_bias_activation_add_cpu_instance PRIVATE "${OMP_CXX_FLAG}")
-install(TARGETS device_conv2d_fwd_bias_activation_add_cpu_instance LIBRARY DESTINATION lib) 
-
-clang_tidy_check(device_conv2d_fwd_bias_activation_add_cpu_instance)