Default which kernel best in a version jb 4.1 / 4.2

Hi there. As with the few I have ske and yesterday I broke I
decided to browse xda for kernels and roms. I found a
whole bunch of kernels. some in GB ics and jb. and chose a
few interesting Roma. What kernel is the best in Romy cm
4.1 and 4.2?
Wysyłane z mojego Xperia S za pomocą Tapatalk 2
DEVICE - Live With Walkman
ROM - Stock GingerBread 2.3.4
KERNEL - Stock