Skip to main content

tract_core/ops/nn/
mod.rs

1mod data_formats;
2pub mod gelu_approximate;
3mod reduce;
4pub mod rms_norm;
5pub mod silu;
6mod softmax;
7
8pub use self::data_formats::{BaseDataShape, DataFormat, DataShape, SymDataShape};
9pub use self::gelu_approximate::GeluApproximate;
10pub use self::reduce::{Reduce, Reducer, expand_mean_of_squares};
11pub use self::rms_norm::RmsNorm;
12pub use self::silu::Silu;
13pub use self::softmax::{Softmax, SoftmaxExp, SoftmaxKind};
14
15pub use crate::internal::*;
16
17use tract_num_traits::AsPrimitive;
18
19element_wise!(sigmoid, Sigmoid,
20 [f16] => |_, xs| { (tract_linalg::ops().sigmoid_f16)().run(xs) },
21 [f32] => |_, xs| { (tract_linalg::ops().sigmoid_f32)().run(xs) };
22 q: [i8, u8, i32, i32] => |x: f32| 1.0 / (1.0+(-x).exp());
23 cost: |dt| {tvec!((Cost::FMA(dt), 11), (Cost::Div(dt), 1))};
24 declutter: silu::detect_silu
25);
26
27element_wise!(hard_swish, HardSwish,
28[f16] => |_, xs| { xs.iter_mut().for_each(|x| *x = *x * f16::from_f32(0.0).max(f16::from_f32(1.0).min(f16::from_f32(1. / 6.) * *x + f16::from_f32(0.5)))); Ok(()) },
29[f32] => |_, xs| { xs.iter_mut().for_each(|x| *x = *x * 0f32.max(1f32.min((1. / 6.) * *x + 0.5))); Ok(()) }
30                                         );
31
32element_wise!(leaky_relu, LeakyRelu { alpha: f32 },
33 [f16] => |op, xs| { (tract_linalg::ops().leaky_relu_f16)().run_with_params(xs, f16::from_f32(op.alpha)) },
34 [f32] => |op, xs| { (tract_linalg::ops().leaky_relu_f32)().run_with_params(xs, op.alpha) }
35);