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-rw-r--r--src/core/NEON/kernels/arm_gemm/utils.hpp33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/arm_gemm/utils.hpp b/src/core/NEON/kernels/arm_gemm/utils.hpp
index 82464d2eff..2ae3db19ed 100644
--- a/src/core/NEON/kernels/arm_gemm/utils.hpp
+++ b/src/core/NEON/kernels/arm_gemm/utils.hpp
@@ -27,6 +27,7 @@
#include "arm_gemm.hpp"
#include <cstddef>
+#include <tuple>
// Macro for unreachable code (e.g. impossible default cases on switch)
#define UNREACHABLE(why) __builtin_unreachable()
@@ -202,6 +203,38 @@ inline unsigned long get_vector_length(VLType vl_type) {
return 16 / sizeof(T);
}
}
+
+// get_default_activation_values(): Returns the default values for activation min and max for integer activation.
+template <typename T>
+inline std::tuple<T, T> get_default_activation_values()
+{
+ const T min = static_cast<T>(std::numeric_limits<T>::min());
+ const T max = static_cast<T>(std::numeric_limits<T>::max());
+
+ return std::make_tuple(min, max);
+}
+
+// get_default_activation_values(): Returns the default values for activation min and max for float activation.
+template <>
+inline std::tuple<float, float> get_default_activation_values()
+{
+ const float min = static_cast<float>(-std::numeric_limits<float>::infinity());
+ const float max = static_cast<float>(std::numeric_limits<float>::infinity());
+
+ return std::make_tuple(min, max);
+}
+
+#if defined(__ARM_FP16_ARGS)
+// get_default_activation_values(): Returns the default values for activation min and max for __fp16 activation.
+template <>
+inline std::tuple<__fp16, __fp16> get_default_activation_values()
+{
+ const __fp16 min = static_cast<__fp16>(-std::numeric_limits<float>::infinity());
+ const __fp16 max = static_cast<__fp16>(std::numeric_limits<float>::infinity());
+
+ return std::make_tuple(min, max);
+}
+#endif // defined(__ARM_FP16_ARGS)
} // utils namespace
} // arm_gemm namespace