def dtw()

in whisper/timing.py [0:0]

• 10 lines of code
• 3 McCabe index (conditional complexity)

def dtw(x: torch.Tensor) -> np.ndarray:
    if x.is_cuda:
        try:
            return dtw_cuda(x)
        except (RuntimeError, subprocess.CalledProcessError):
            warnings.warn(
                "Failed to launch Triton kernels, likely due to missing CUDA toolkit; "
                "falling back to a slower DTW implementation..."
            )

    return dtw_cpu(x.double().cpu().numpy())