diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/core/Utils.cpp | 1 | ||||
-rw-r--r-- | src/cpu/kernels/activation/generic/neon/impl.h | 6 | ||||
-rw-r--r-- | src/cpu/kernels/activation/generic/sve/fp16.cpp | 5 | ||||
-rw-r--r-- | src/cpu/kernels/activation/generic/sve/fp32.cpp | 3 |
4 files changed, 14 insertions, 1 deletions
diff --git a/src/core/Utils.cpp b/src/core/Utils.cpp index 48eb8b9bf5..d05a044fc8 100644 --- a/src/core/Utils.cpp +++ b/src/core/Utils.cpp @@ -178,6 +178,7 @@ const std::string &string_from_activation_func(ActivationLayerInfo::ActivationFu { ActivationLayerInfo::ActivationFunction::TANH, "TANH" }, { ActivationLayerInfo::ActivationFunction::IDENTITY, "IDENTITY" }, { ActivationLayerInfo::ActivationFunction::HARD_SWISH, "HARD_SWISH" }, + { ActivationLayerInfo::ActivationFunction::SWISH, "SWISH" }, { ActivationLayerInfo::ActivationFunction::GELU, "GELU" } }; diff --git a/src/cpu/kernels/activation/generic/neon/impl.h b/src/cpu/kernels/activation/generic/neon/impl.h index 4d4aa8d212..4f392866b5 100644 --- a/src/cpu/kernels/activation/generic/neon/impl.h +++ b/src/cpu/kernels/activation/generic/neon/impl.h @@ -149,6 +149,9 @@ void fp_neon_activation_impl(const ITensor *src, ITensor *dst, const ActivationL case ActivationLayerInfo::ActivationFunction::HARD_SWISH: tmp = wrapper::vmul(vin, wrapper::vmul(const_inv_6, wrapper::vmin(const_6, wrapper::vmax(const_0, wrapper::vadd(vin, const_3))))); break; + case ActivationLayerInfo::ActivationFunction::SWISH: + tmp = wrapper::vmul(vin, wrapper::vinv(wrapper::vadd(const_1, wrapper::vexpq(wrapper::vneg(wrapper::vmul(va, vin)))))); + break; #ifdef __aarch64__ case ActivationLayerInfo::ActivationFunction::GELU: tmp = wrapper::vmul(vin, wrapper::vmul(const_inv_2, wrapper::vadd(const_1, wrapper::verf(wrapper::vmul(vin, const_inv_sqrt_2))))); @@ -208,6 +211,9 @@ void fp_neon_activation_impl(const ITensor *src, ITensor *dst, const ActivationL case ActivationLayerInfo::ActivationFunction::HARD_SWISH: tmp = in * ((std::min(std::max((in + 3), 0.0f), 6.0f)) * 0.166666667f); break; + case ActivationLayerInfo::ActivationFunction::SWISH: + tmp = in / (static_cast<T>(1) + std::exp(-a*in)); + break; case ActivationLayerInfo::ActivationFunction::GELU: tmp = in * static_cast<T>(0.5f * (1.0f + erff(static_cast<float>(in) / 1.41421356237f))); break; diff --git a/src/cpu/kernels/activation/generic/sve/fp16.cpp b/src/cpu/kernels/activation/generic/sve/fp16.cpp index 5730a361d9..6e9648b5bf 100644 --- a/src/cpu/kernels/activation/generic/sve/fp16.cpp +++ b/src/cpu/kernels/activation/generic/sve/fp16.cpp @@ -114,6 +114,9 @@ void sve_fp16_activation(const ITensor *src, ITensor *dst, const ActivationLayer case ActivationLayerInfo::ActivationFunction::HARD_SWISH: tmp = svmul_f16_z(pg, vin, svmul_f16_z(pg, const_inv_6, svmin_f16_z(pg, const_6, svmax_f16_z(pg, const_0, svadd_f16_z(pg, vin, const_3))))); break; + case ActivationLayerInfo::ActivationFunction::SWISH: + tmp = svmul_f16_z(pg, vin, svinv_f16_z(pg, svadd_f16_z(pg, const_1, svexp_f16_z(pg, svneg_f16_z(pg, svmul_f16_z(pg, va, vin)))))); + break; default: ARM_COMPUTE_ERROR("Unsupported activation function"); } @@ -129,4 +132,4 @@ void sve_fp16_activation(const ITensor *src, ITensor *dst, const ActivationLayer } } // namespace cpu } // namespace arm_compute -#endif /* defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS) */
\ No newline at end of file +#endif /* defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) && defined(ENABLE_FP16_KERNELS) */ diff --git a/src/cpu/kernels/activation/generic/sve/fp32.cpp b/src/cpu/kernels/activation/generic/sve/fp32.cpp index 7ce2046730..b5490063cf 100644 --- a/src/cpu/kernels/activation/generic/sve/fp32.cpp +++ b/src/cpu/kernels/activation/generic/sve/fp32.cpp @@ -113,6 +113,9 @@ void sve_fp32_activation(const ITensor *src, ITensor *dst, const ActivationLayer case ActivationLayerInfo::ActivationFunction::HARD_SWISH: tmp = svmul_f32_z(pg, vin, svmul_f32_z(pg, const_inv_6, svmin_f32_z(pg, const_6, svmax_f32_z(pg, const_0, svadd_f32_z(pg, vin, const_3))))); break; + case ActivationLayerInfo::ActivationFunction::SWISH: + tmp = svmul_f32_z(pg, vin, svinv_f32_z(pg, svadd_f32_z(pg, const_1, svexp_f32_z(pg, svneg_f32_z(pg, svmul_f32_z(pg, va, vin)))))); + break; default: ARM_COMPUTE_ERROR("Unsupported activation function"); } |