diff options
Diffstat (limited to 'src/core/NEON/kernels/arm_gemm/utils.hpp')
-rw-r--r-- | src/core/NEON/kernels/arm_gemm/utils.hpp | 33 |
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 |