Disable FLAT_TENSOR when not used

Author: lucylq

.ci/scripts/build-qnn-sdk.sh

@@ -33,7 +33,6 @@ set_up_aot() {
       -DEXECUTORCH_BUILD_DEVTOOLS=ON \
       -DEXECUTORCH_BUILD_EXTENSION_MODULE=ON \
       -DEXECUTORCH_BUILD_EXTENSION_DATA_LOADER=ON \
-      -DEXECUTORCH_BUILD_EXTENSION_FLAT_TENSOR=ON \
       -DEXECUTORCH_BUILD_EXTENSION_TENSOR=ON \
       -DEXECUTORCH_ENABLE_EVENT_TRACER=ON \
       -DPYTHON_EXECUTABLE=python3

.ci/scripts/test_llama_torchao_lowbit.sh

@@ -30,7 +30,6 @@ cmake -DPYTHON_EXECUTABLE=python \
     -DCMAKE_BUILD_TYPE=Release \
     -DEXECUTORCH_BUILD_EXTENSION_DATA_LOADER=ON \
     -DEXECUTORCH_BUILD_EXTENSION_MODULE=ON \
-    -DEXECUTORCH_BUILD_EXTENSION_FLAT_TENSOR=ON \
     -DEXECUTORCH_BUILD_EXTENSION_TENSOR=ON \
     -DEXECUTORCH_BUILD_XNNPACK=OFF \
     -DEXECUTORCH_BUILD_KERNELS_QUANTIZED=ON \

.ci/scripts/test_llava.sh

@@ -37,8 +37,8 @@ EXECUTORCH_COMMON_CMAKE_ARGS="                      \
         -DEXECUTORCH_ENABLE_LOGGING=ON              \
         -DEXECUTORCH_BUILD_EXTENSION_MODULE=ON      \
         -DEXECUTORCH_BUILD_EXTENSION_DATA_LOADER=ON \
-        -DEXECUTORCH_BUILD_EXTENSION_FLAT_TENSOR=ON \
         -DEXECUTORCH_BUILD_EXTENSION_TENSOR=ON      \
+        -DEXECUTORCH_BUILD_EXTENSION_TRAINING=OFF \
         -DEXECUTORCH_BUILD_KERNELS_LLM=ON        \
         -DEXECUTORCH_BUILD_KERNELS_OPTIMIZED=ON     \
         -DEXECUTORCH_BUILD_KERNELS_QUANTIZED=ON     \

.github/workflows/trunk.yml

@@ -609,7 +609,6 @@ jobs:
           -DEXECUTORCH_ENABLE_LOGGING=1 \
           -DCMAKE_BUILD_TYPE=Release \
           -DEXECUTORCH_BUILD_EXTENSION_DATA_LOADER=ON \
-          -DEXECUTORCH_BUILD_EXTENSION_FLAT_TENSOR=ON \
           -DEXECUTORCH_BUILD_EXTENSION_MODULE=ON \
           -DEXECUTORCH_BUILD_EXTENSION_TENSOR=ON \
           -DEXECUTORCH_BUILD_XNNPACK=ON \

backends/qualcomm/scripts/build.sh

@@ -82,7 +82,6 @@ if [ "$BUILD_AARCH64" = true ]; then
         -DEXECUTORCH_BUILD_DEVTOOLS=ON \
         -DEXECUTORCH_BUILD_EXTENSION_MODULE=ON \
         -DEXECUTORCH_BUILD_EXTENSION_DATA_LOADER=ON \
-        -DEXECUTORCH_BUILD_EXTENSION_FLAT_TENSOR=ON \
         -DEXECUTORCH_BUILD_EXTENSION_TENSOR=ON \
         -DEXECUTORCH_ENABLE_EVENT_TRACER=ON \
         -DQNN_SDK_ROOT=$QNN_SDK_ROOT \
@@ -130,7 +129,6 @@ if [ "$BUILD_X86_64" = true ]; then
         -DEXECUTORCH_BUILD_DEVTOOLS=ON \
         -DEXECUTORCH_BUILD_EXTENSION_MODULE=ON \
         -DEXECUTORCH_BUILD_EXTENSION_DATA_LOADER=ON \
-        -DEXECUTORCH_BUILD_EXTENSION_FLAT_TENSOR=ON \
         -DEXECUTORCH_BUILD_KERNELS_QUANTIZED=ON \
         -DEXECUTORCH_BUILD_EXTENSION_TENSOR=ON \
         -DEXECUTORCH_ENABLE_EVENT_TRACER=ON \

tools/cmake/preset/apple_common.cmake

@@ -20,7 +20,6 @@ set_overridable_option(EXECUTORCH_XNNPACK_SHARED_WORKSPACE ON)
 set_overridable_option(EXECUTORCH_BUILD_EXTENSION_APPLE ON)
 set_overridable_option(EXECUTORCH_BUILD_EXTENSION_DATA_LOADER ON)
 set_overridable_option(EXECUTORCH_BUILD_EXTENSION_MODULE ON)
-set_overridable_option(EXECUTORCH_BUILD_EXTENSION_FLAT_TENSOR ON)
 set_overridable_option(EXECUTORCH_BUILD_EXTENSION_TENSOR ON)
 set_overridable_option(EXECUTORCH_BUILD_KERNELS_LLM ON)
 set_overridable_option(EXECUTORCH_BUILD_KERNELS_OPTIMIZED ON)

tools/cmake/preset/default.cmake

@@ -302,7 +302,6 @@ check_required_options_on(
     EXECUTORCH_BUILD_EXTENSION_MODULE
   REQUIRES
     EXECUTORCH_BUILD_EXTENSION_DATA_LOADER
-    EXECUTORCH_BUILD_EXTENSION_FLAT_TENSOR
 )
 
 check_required_options_on(