Sent_en: 2zh There is a cost in speed for such abstraction, and this cost was higher on Mach, at around 15%, compared with only around 5% on L4 and it's predecessor L3, both developed by Dr. Jochen Liedtke.
Sent_yy: 这样的抽象在速度上是有代价的，在Mach上这个代价要高一些，大约是15%，而在L4和它的前身L3上只有5%，都是由约亨·李德克博士开发的。