in optimum/quanto/tensor/weights/marlin/permutations.py [0:0]
def _get_perms() -> Tuple[List[int], List[int]]:
perm = []
for i in range(8):
perm.extend([i + 8 * j for j in range(8)])
perm_single = []
for i in range(4):
perm_single.extend([2 * i + j for j in [0, 1, 8, 9, 16, 17, 24, 25]])
return perm, perm_single