Function try_ncd_bytes_backend_with_options 

pub fn try_ncd_bytes_backend_with_options(
    x: &[u8],
    y: &[u8],
    backend: &CompiledCompressionBackend,
    variant: NcdVariant,
    options: NcdComputeOptions,
) -> InfotheoryResult<f64>

Compute NCD for byte slices with an explicit compression backend and explicit operation-level parallelism controls.