make extension_module static

Author: jathu

.ci/scripts/test_llama.sh

@@ -52,7 +52,7 @@ UPLOAD_DIR="${UPLOAD_DIR:-}"
 PT2E_QUANTIZE="${PT2E_QUANTIZE:-}"
 
 # Default CMake Build Type to release mode
-CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE:-Release}
+CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE:-Debug}
 
 if [[ $# -lt 4 ]]; then # Assuming 4 mandatory args
     echo "Expecting atleast 4 positional arguments"
@@ -150,7 +150,7 @@ fi
 which "${PYTHON_EXECUTABLE}"
 
 cmake_install_executorch_libraries() {
-    echo "Installing libexecutorch.a, libextension_module.so, libportable_ops_lib.a"
+    echo "Installing libexecutorch.a, libextension_module.a, libportable_ops_lib.a"
     rm -rf cmake-out
     retry cmake \
         -DCMAKE_INSTALL_PREFIX=cmake-out \
@@ -168,7 +168,7 @@ cmake_install_executorch_libraries() {
         -DQNN_SDK_ROOT="$QNN_SDK_ROOT" \
         -DPYTHON_EXECUTABLE="$PYTHON_EXECUTABLE" \
         -Bcmake-out .
-    cmake --build cmake-out -j9 --target install --config "$CMAKE_BUILD_TYPE"
+    cmake --build cmake-out -j $(nproc) --target install --config "$CMAKE_BUILD_TYPE"
 }
 
 cmake_build_llama_runner() {
@@ -187,7 +187,7 @@ cmake_build_llama_runner() {
         -DPYTHON_EXECUTABLE="$PYTHON_EXECUTABLE" \
         -Bcmake-out/${dir} \
         ${dir}
-    cmake --build cmake-out/${dir} -j9 --config "$CMAKE_BUILD_TYPE"
+    cmake --build cmake-out/${dir} -j $(nproc) --config "$CMAKE_BUILD_TYPE"
 
 }
 

docs/source/llm/getting-started.md

@@ -376,7 +376,7 @@ add_executable(nanogpt_runner main.cpp)
 target_link_libraries(
   nanogpt_runner
   PRIVATE executorch
-          extension_module_static # Provides the Module class
+          extension_module # Provides the Module class
           extension_tensor # Provides the TensorPtr class
           optimized_native_cpu_ops_lib # Provides baseline cross-platform
                                        # kernels
@@ -533,7 +533,7 @@ add_executable(nanogpt_runner main.cpp)
 target_link_libraries(
   nanogpt_runner
   PRIVATE executorch
-          extension_module_static # Provides the Module class
+          extension_module # Provides the Module class
           extension_tensor # Provides the TensorPtr class
           optimized_native_cpu_ops_lib # Provides baseline cross-platform
                                        # kernels
@@ -672,7 +672,7 @@ target_link_libraries(
     nanogpt_runner
     PRIVATE
     executorch
-    extension_module_static # Provides the Module class
+    extension_module # Provides the Module class
     optimized_native_cpu_ops_lib # Provides baseline cross-platform kernels
     xnnpack_backend) # Provides the XNNPACK CPU acceleration backend
 ```

examples/llm_manual/CMakeLists.txt

@@ -27,7 +27,7 @@ add_executable(nanogpt_runner main.cpp)
 target_link_libraries(
   nanogpt_runner
   PRIVATE executorch
-          extension_module_static # Provides the Module class
+          extension_module # Provides the Module class
           extension_tensor # Provides the TensorPtr class
           optimized_native_cpu_ops_lib # Provides baseline cross-platform
                                        # kernels

examples/models/phi-3-mini/CMakeLists.txt

@@ -49,6 +49,6 @@ target_include_directories(
          ${CMAKE_CURRENT_SOURCE_DIR}/../../../extension/llm/tokenizers/include
 )
 target_link_libraries(
-  phi_3_mini_runner PRIVATE executorch extension_module_static extension_tensor
+  phi_3_mini_runner PRIVATE executorch extension_module extension_tensor
                             optimized_native_cpu_ops_lib xnnpack_backend gflags
 )

extension/module/CMakeLists.txt

@@ -17,36 +17,16 @@ if(NOT EXECUTORCH_ROOT)
 endif()
 
 list(TRANSFORM _extension_module__srcs PREPEND "${EXECUTORCH_ROOT}/")
-if(CMAKE_TOOLCHAIN_IOS
-   OR CMAKE_TOOLCHAIN_ANDROID
-   OR APPLE
-)
-  # Building a share library on iOS requires code signing On Android we see
-  # duplicated registration when using shared lib
-  add_library(extension_module STATIC ${_extension_module__srcs})
-else()
-  add_library(extension_module SHARED ${_extension_module__srcs})
-endif()
+add_library(extension_module ${_extension_module__srcs})
 target_link_libraries(extension_module PRIVATE executorch extension_data_loader extension_flat_tensor)
 target_include_directories(extension_module PUBLIC ${EXECUTORCH_ROOT}/..)
 target_compile_options(
   extension_module PUBLIC -Wno-deprecated-declarations -fPIC
 )
 
-# Module extension built as a static library. TODO(gjcomer) Remove this target
-# after cleaning up CMake targets.
-add_library(extension_module_static STATIC ${_extension_module__srcs})
-target_link_libraries(
-  extension_module_static PRIVATE executorch extension_data_loader extension_flat_tensor
-)
-target_include_directories(extension_module_static PUBLIC ${EXECUTORCH_ROOT}/..)
-target_compile_options(
-  extension_module_static PUBLIC -Wno-deprecated-declarations -fPIC
-)
-
 # Install libraries
 install(
-  TARGETS extension_module extension_module_static
+  TARGETS extension_module
   DESTINATION lib
   INCLUDES
   DESTINATION ${_common_include_directories}

extension/module/test/CMakeLists.txt

@@ -25,7 +25,7 @@ et_cxx_test(
   ${_test_srcs}
   EXTRA_LIBS
   extension_data_loader
-  extension_module_static
+  extension_module
   extension_tensor
   portable_kernels
   portable_ops_lib

tools/cmake/executorch-config.cmake

@@ -65,6 +65,7 @@ endif()
 set(lib_list
     etdump
     bundled_program
+    extension_flat_tensor
     extension_data_loader
     ${FLATCCRT_LIB}
     coreml_util
@@ -76,7 +77,6 @@ set(lib_list
     portable_ops_lib
     custom_ops
     extension_module
-    extension_module_static
     extension_runner_util
     extension_tensor
     extension_threadpool
@@ -113,13 +113,9 @@ foreach(lib ${lib_list})
             If needed rebuild with the proper options in CMakeLists.txt"
     )
   else()
-    if("${lib}" STREQUAL "extension_module" AND (NOT CMAKE_TOOLCHAIN_IOS))
-      add_library(${lib} SHARED IMPORTED)
-    else()
-      # Building a share library on iOS requires code signing, so it's easier to
-      # keep all libs as static when CMAKE_TOOLCHAIN_IOS is used
-      add_library(${lib} STATIC IMPORTED)
-    endif()
+    # Building a share library on iOS requires code signing, so it's easier to
+    # keep all libs as static when CMAKE_TOOLCHAIN_IOS is used
+    add_library(${lib} STATIC IMPORTED)
     set_target_properties(${lib} PROPERTIES IMPORTED_LOCATION "${${lib_var}}")
     target_include_directories(
       ${lib}