code: import time
  import numpy as np
  from testbed._rust import sliding_window
  
  
  x = np.random.randn(5000, 5)
  
  
  s = time.time()
  rustout = sliding_window(x, 100, 1)
  print("=" * 50)
  print("Rust Speed:   ", time.time() - s)
  print(rustout.shape)
  
  
  def sw(array, ws, over):
      sl = len(array)
      return [array[i:i+ws] for i in range(0, sl-ws, over)]
  
  
  print("=" * 50)
  s = time.time()
  tmp = sw(x, 100, 1)
  tmp = np.stack(tmp, 0)
  print("Python Speed: ", time.time() - s)
  print(tmp.shape)
  
apis: numpy.stack numpy.random.randn