def matmul_numpy(x, y):
    return np.dot(x, y)

# Warmup
_ = matmul_numpy(x_np, y_np)

# Timed run
start = time.perf_counter()
result_np = matmul_numpy(x_np, y_np)
numpy_time = time.perf_counter() - start

print(f"NumPy time: {numpy_time:.4f} seconds")

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