0 xor 0 = 0.003461432410404086 (should be close to 0)
1 xor 0 = 0.9965977072715759 (should be close to 1)
0 xor 1 = 0.99673992395401 (should be close to 1)
1 xor 1 = 0.003717160550877452 (should be close to 0)
try locally with the CPU backend instead