Revert "Implement unary_ufunc functions using elementwise_util (#9386)"

This reverts commit dffbd42.

Author: JacobSzwejbka

kernels/portable/cpu/op_acos.cpp

@@ -15,9 +15,8 @@ namespace executor {
 namespace native {
 
 Tensor& acos_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "acos.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::acos(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(
+      std::acos, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_acosh.cpp

@@ -15,9 +15,8 @@ namespace executor {
 namespace native {
 
 Tensor& acosh_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "acosh.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::acosh(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(
+      std::acosh, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_asin.cpp

@@ -15,9 +15,8 @@ namespace executor {
 namespace native {
 
 Tensor& asin_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "asin.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::asin(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(
+      std::asin, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_asinh.cpp

@@ -15,9 +15,8 @@ namespace executor {
 namespace native {
 
 Tensor& asinh_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "asinh.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::asinh(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(
+      std::asinh, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_atan.cpp

@@ -15,9 +15,8 @@ namespace executor {
 namespace native {
 
 Tensor& atan_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "atan.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::atan(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(
+      std::atan, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_atanh.cpp

@@ -15,9 +15,8 @@ namespace executor {
 namespace native {
 
 Tensor& atanh_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "atanh.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::atanh(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(
+      std::atanh, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_ceil.cpp

@@ -17,9 +17,7 @@ namespace native {
 using executorch::aten::Tensor;
 
 Tensor& ceil_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "ceil.out";
-  return internal::unary_ufunc_realhbf16<op_name>(
-      [](auto x) { return executorch::math::ceil(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbf16(std::ceil, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_cos.cpp

@@ -15,9 +15,7 @@ namespace executor {
 namespace native {
 
 Tensor& cos_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "cos.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::cos(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(std::cos, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_cosh.cpp

@@ -15,9 +15,8 @@ namespace executor {
 namespace native {
 
 Tensor& cosh_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "cosh.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::cosh(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(
+      std::cosh, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_erf.cpp

@@ -15,9 +15,7 @@ namespace executor {
 namespace native {
 
 Tensor& erf_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "erf.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::erf(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(std::erf, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_exp.cpp

@@ -15,9 +15,7 @@ namespace executor {
 namespace native {
 
 Tensor& exp_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "exp.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::exp(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(std::exp, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_expm1.cpp

@@ -7,19 +7,16 @@
  */
 
 #include <executorch/kernels/portable/cpu/pattern/pattern.h>
-#include <executorch/kernels/portable/cpu/util/elementwise_util.h>
 #include <executorch/runtime/kernel/kernel_includes.h>
 #include <cmath>
-#include <type_traits>
 
 namespace torch {
 namespace executor {
 namespace native {
 
 Tensor& expm1_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "expm1.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::expm1(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(
+      std::expm1, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_floor.cpp

@@ -17,9 +17,7 @@ namespace native {
 using executorch::aten::Tensor;
 
 Tensor& floor_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "floor.out";
-  return internal::unary_ufunc_realhbf16<op_name>(
-      [](auto x) { return executorch::math::floor(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbf16(std::floor, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_isinf.cpp

@@ -17,9 +17,8 @@ namespace native {
 Tensor& isinf_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
   // Lambda is syntactic sugar needed to workaround compilation on some older
   // non-compatible distros where isnan is returning int rather than bool
-  static constexpr const char op_name[] = "isinf.out";
-  return internal::unary_ufunc_realhb_to_bool<op_name>(
-      [](auto x) -> bool { return std::isinf(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhb_to_bool(
+      [](double x) -> bool { return std::isinf(x); }, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_isnan.cpp

@@ -17,9 +17,8 @@ namespace native {
 Tensor& isnan_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
   // Lambda is syntactic sugar needed to workaround compilation on some older
   // non-compatible distros where isnan is returning int rather than bool
-  static constexpr const char op_name[] = "isnan.out";
-  return internal::unary_ufunc_realhb_to_bool<op_name>(
-      [](auto x) -> bool { return std::isnan(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhb_to_bool(
+      [](double x) -> bool { return std::isnan(x); }, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_log.cpp

@@ -15,9 +15,7 @@ namespace executor {
 namespace native {
 
 Tensor& log_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "log.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::log(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(std::log, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_log10.cpp

@@ -15,9 +15,8 @@ namespace executor {
 namespace native {
 
 Tensor& log10_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "log10.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::log10(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(
+      std::log10, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_log1p.cpp

@@ -15,9 +15,8 @@ namespace executor {
 namespace native {
 
 Tensor& log1p_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "log1p.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::log1p(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(
+      std::log1p, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_log2.cpp

@@ -15,9 +15,8 @@ namespace executor {
 namespace native {
 
 Tensor& log2_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "log2.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::log2(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(
+      std::log2, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_reciprocal.cpp

@@ -12,11 +12,18 @@
 namespace torch {
 namespace executor {
 namespace native {
+namespace {
+
+double reciprocal(double x) {
+  return 1.0 / x;
+}
+
+} // namespace
+
 Tensor&
 reciprocal_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "reciprocal.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::reciprocal(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(
+      reciprocal, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_rsqrt.cpp

@@ -12,11 +12,16 @@
 namespace torch {
 namespace executor {
 namespace native {
+namespace {
+
+double rsqrt(double x) {
+  return 1.0 / std::sqrt(x);
+}
+
+} // namespace
 
 Tensor& rsqrt_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "rsqrt.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::rsqrt(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(rsqrt, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_sin.cpp

@@ -15,9 +15,7 @@ namespace executor {
 namespace native {
 
 Tensor& sin_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "sin.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::sin(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(std::sin, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_sinh.cpp

@@ -15,9 +15,8 @@ namespace executor {
 namespace native {
 
 Tensor& sinh_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "sinh.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::sinh(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(
+      std::sinh, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_sqrt.cpp

@@ -15,9 +15,8 @@ namespace executor {
 namespace native {
 
 Tensor& sqrt_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "sqrt.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::sqrt(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(
+      std::sqrt, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_tan.cpp

@@ -15,9 +15,7 @@ namespace executor {
 namespace native {
 
 Tensor& tan_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "tan.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::tan(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(std::tan, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_tanh.cpp

@@ -15,9 +15,8 @@ namespace executor {
 namespace native {
 
 Tensor& tanh_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "tanh.out";
-  return internal::unary_ufunc_realhbbf16_to_floathbf16<op_name>(
-      [](auto x) { return executorch::math::tanh(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbbf16_to_floathbf16(
+      std::tanh, ctx, in, out);
 }
 
 } // namespace native

kernels/portable/cpu/op_trunc.cpp

@@ -15,9 +15,7 @@ namespace executor {
 namespace native {
 
 Tensor& trunc_out(KernelRuntimeContext& ctx, const Tensor& in, Tensor& out) {
-  static constexpr const char op_name[] = "trunc.out";
-  return internal::unary_ufunc_realhbf16<op_name>(
-      [](auto x) { return executorch::math::trunc(x); }, ctx, in, out);
+  return internal::unary_ufunc_realhbf16(std::trunc, ctx, in, out);
 }
 
 } // namespace native