pub fn matmul_f8e4m3_block_scaled_f32(
activations: &[u8],
weights: &[u8],
activation_scales: &[f32],
weight_scales: &[f32],
rows: usize,
columns: usize,
reduction: usize,
group_n: usize,
group_k: usize,
) -> Vec<f32>