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Save some size in dtype_util when dtype selective build is not in use #9742

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Save some size in dtype_util when dtype selective build is not in use #9742

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3f1b775
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swolchok Mar 28, 2025
242995d
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swolchok Mar 28, 2025
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35 changes: 33 additions & 2 deletions kernels/portable/cpu/util/dtype_util.h
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Original file line number Diff line number Diff line change
@@ -228,7 +228,7 @@ enum class SupportedTensorDtypes {
namespace internal {

template <typename CTYPE_COMPUTE, const char* op_name>
load_to_compute_fn<CTYPE_COMPUTE> get_load_to_compute_fn(
load_to_compute_fn<CTYPE_COMPUTE> get_load_to_compute_fn_impl(
const Tensor& t,
SupportedTensorDtypes dtypes) {
switch (dtypes) {
@@ -252,7 +252,7 @@ load_to_compute_fn<CTYPE_COMPUTE> get_load_to_compute_fn(
}

template <typename CTYPE_COMPUTE, const char* op_name>
store_compute_to_tensor_fn<CTYPE_COMPUTE> get_store_compute_to_tensor_fn(
store_compute_to_tensor_fn<CTYPE_COMPUTE> get_store_compute_to_tensor_fn_impl(
const Tensor& t,
SupportedTensorDtypes dtypes) {
switch (dtypes) {
@@ -285,6 +285,37 @@ store_compute_to_tensor_fn<CTYPE_COMPUTE> get_store_compute_to_tensor_fn(
return nullptr;
}

#ifndef EXECUTORCH_SELECTIVE_BUILD_DTYPE
constexpr const char kGenericElementwiseOpName[] = "generic_elementwise_op";
#endif // EXECUTORCH_SELECTIVE_BUILD_DTYPE

template <typename CTYPE_COMPUTE, const char* op_name>
load_to_compute_fn<CTYPE_COMPUTE> get_load_to_compute_fn(
const Tensor& t,
SupportedTensorDtypes dtypes) {
return get_load_to_compute_fn_impl<
CTYPE_COMPUTE,
#ifdef EXECUTORCH_SELECTIVE_BUILD_DTYPE
op_name
#else // EXECUTORCH_SELECTIVE_BUILD_DTYPE
kGenericElementwiseOpName
#endif // EXECUTORCH_SELECTIVE_BUILD_DTYPE
>(t, dtypes);
}

template <typename CTYPE_COMPUTE, const char* op_name>
store_compute_to_tensor_fn<CTYPE_COMPUTE> get_store_compute_to_tensor_fn(
const Tensor& t,
SupportedTensorDtypes dtypes) {
return get_store_compute_to_tensor_fn_impl<
CTYPE_COMPUTE,
#ifdef EXECUTORCH_SELECTIVE_BUILD_DTYPE
op_name
#else // EXECUTORCH_SELECTIVE_BUILD_DTYPE
kGenericElementwiseOpName
#endif // EXECUTORCH_SELECTIVE_BUILD_DTYPE
>(t, dtypes);
}
bool check_tensor_dtype(
const Tensor t,
SupportedTensorDtypes dtypes,