This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Servlet is therefore faster in theory than JSP only on the first call, as afterwards it's the compiled code that gets called In practice, it all depends on the quality of the code generator that turns your JSP into compilable Java code. Some are better than others and will generate more optimised Java.