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adagrad_step

Function adagrad_step 

Source
pub fn adagrad_step<T: Triton, const BLOCK_SIZE: i32>(
    params_ptr: T::Pointer<f32>,
    grad_ptr: T::Pointer<f32>,
    sum_ptr: T::Pointer<f32>,
    n_elements: i32,
    lr: f32,
    eps: f32,
    weight_decay: f32,
)
where T::I32Tensor: Tensor<i32, 1> + Comparison<i32, BoolTensor = T::BoolTensor>, T::Pointer<f32>: AddOffsets<i32, 1, T::I32Tensor, Output = T::Tensor<T::Pointer<f32>>>,
Expand description

Adagrad step.

sum = sum + g²
p   = p - lr * g / (sqrt(sum) + eps)

Grid: [ceil(n_elements / BLOCK_SIZE), 1, 1].