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namespace c10 { | |
class Scalar; | |
} | |
namespace at { | |
struct TensorIterator; | |
struct TensorIteratorBase; | |
class TensorBase; | |
} | |
namespace at::native { | |
// These constants control the approximation behavior of gelu function. | |
enum class GeluType { | |
None, // Baseline Gelu | |
Tanh, // Tahn Gelu Approximation | |
END | |
}; | |
static GeluType get_gelutype_enum(const c10::string_view approximate) { | |
if (approximate == "none") { | |
return GeluType::None; | |
} else if (approximate == "tanh") { | |
return GeluType::Tanh; | |
} else { | |
TORCH_CHECK(false, "approximate argument must be either none or tanh."); | |
} | |
} | |
static std::string gelutype_to_string(const GeluType type) { | |
switch(type) { | |
case GeluType::None: return "none"; | |
case GeluType::Tanh: return "tanh"; | |
default: TORCH_CHECK(false, "unknown GELU type: ", static_cast<int>(type)); | |
} | |
} | |
using structured_activation_fn = void (*)(TensorIteratorBase&); | |
using structured_activation_backward_fn = void (*)(TensorIteratorBase&); | |
using activation_fn = void (*)(TensorIterator&); | |
using activation_backward_fn = void (*)(TensorIterator&); | |
using softplus_fn = void (*)(TensorIteratorBase&, const c10::Scalar&, const c10::Scalar&); | |
using softplus_backward_fn = void (*)(TensorIteratorBase&, const c10::Scalar&, const c10::Scalar&); | |
using threshold_fn = void (*)(TensorIteratorBase&, const c10::Scalar&, const c10::Scalar&); | |
using hardtanh_backward_fn = void (*)(TensorIterator&, const c10::Scalar&, const c10::Scalar&); | |
using hardsigmoid_fn = void(*)(TensorIteratorBase&); | |
using hardsigmoid_backward_fn = void(*)(TensorIteratorBase&); | |
using hardswish_fn = void(*)(TensorIterator&); | |
using hardswish_backward_fn = void(*)(TensorIterator&); | |
using shrink_fn = void (*)(TensorIteratorBase&, const c10::Scalar&); | |
using softshrink_fn = void (*)(TensorIteratorBase&, const c10::Scalar&); | |
using shrink_backward_fn = void (*)(TensorIteratorBase&, const c10::Scalar&); | |
using elu_fn = void (*)(TensorIteratorBase&, const c10::Scalar&, const c10::Scalar&, const c10::Scalar&); | |
using elu_backward_fn = void (*)(TensorIteratorBase&, const c10::Scalar&, const c10::Scalar&, const c10::Scalar&, bool); | |
using leaky_relu_fn = void (*)(TensorIteratorBase&, const c10::Scalar&); | |
using leaky_relu_backward_fn = void (*)(TensorIteratorBase&, const c10::Scalar&); | |
using log_sigmoid_cpu_fn = void (*)(TensorBase&, TensorBase&, const TensorBase&); | |
using gelu_fn = void (*)(TensorIteratorBase&, GeluType); | |
using gelu_backward_fn = void (*)(TensorIteratorBase&, GeluType); | |
using glu_jvp_fn = void (*)(TensorIteratorBase&); | |
DECLARE_DISPATCH(elu_fn, elu_stub); | |
DECLARE_DISPATCH(elu_backward_fn, elu_backward_stub); | |
DECLARE_DISPATCH(softplus_fn, softplus_stub); | |
DECLARE_DISPATCH(softplus_backward_fn, softplus_backward_stub); | |
DECLARE_DISPATCH(log_sigmoid_cpu_fn, log_sigmoid_cpu_stub); | |
DECLARE_DISPATCH(activation_backward_fn, log_sigmoid_backward_stub); | |
DECLARE_DISPATCH(threshold_fn, threshold_stub); | |
DECLARE_DISPATCH(gelu_fn, GeluKernel); | |
DECLARE_DISPATCH(gelu_backward_fn, GeluBackwardKernel); | |
DECLARE_DISPATCH(hardtanh_backward_fn, hardtanh_backward_stub); | |
DECLARE_DISPATCH(hardsigmoid_fn, hardsigmoid_stub); | |
DECLARE_DISPATCH(hardsigmoid_backward_fn, hardsigmoid_backward_stub); | |
DECLARE_DISPATCH(hardswish_fn, hardswish_stub); | |
DECLARE_DISPATCH(hardswish_backward_fn, hardswish_backward_stub); | |
DECLARE_DISPATCH(shrink_fn, hardshrink_stub); | |
DECLARE_DISPATCH(softshrink_fn, softshrink_stub); | |
DECLARE_DISPATCH(shrink_backward_fn, shrink_backward_stub); | |
DECLARE_DISPATCH(leaky_relu_fn, leaky_relu_stub); | |
DECLARE_DISPATCH(leaky_relu_backward_fn, leaky_relu_backward_stub); | |
DECLARE_DISPATCH(structured_activation_fn, glu_stub); | |
DECLARE_DISPATCH(activation_backward_fn, glu_backward_stub); | |
DECLARE_DISPATCH(glu_jvp_fn, glu_jvp_stub); | |
DECLARE_DISPATCH(structured_activation_fn, silu_stub); | |
DECLARE_DISPATCH(structured_activation_backward_fn, silu_backward_stub); | |
DECLARE_DISPATCH(structured_activation_fn, mish_stub); | |
DECLARE_DISPATCH(activation_backward_fn, mish_backward_stub); | |
DECLARE_DISPATCH(activation_fn, prelu_stub); | |
DECLARE_DISPATCH(activation_backward_fn, prelu_backward_stub); | |
} // namespace at::native | |