Function try_ncd_matrix_bytes_backend_with_options 

pub fn try_ncd_matrix_bytes_backend_with_options(
    datas: &[Vec<u8>],
    backend: &CompiledCompressionBackend,
    variant: NcdVariant,
    options: NcdComputeOptions,
) -> InfotheoryResult<Vec<f64>>

Compute an n x n pairwise NCD matrix with explicit operation-level parallelism controls.