pub fn axpy_rows<T: SimdOps>(
alphas: &[T],
x: &[T],
out: &mut [T],
row_stride: usize,
rows: usize,
cols: usize,
) -> Result<(), SimdError>Expand description
Fused multi-row update out[row, i] += alphas[row] * x[i] via one
runtime-dispatched SIMD kernel. out is a row-major strided window.