然后切换到gimp源基目录并输入清单6中的代码。

Then switch to the GIMP source base directory and type the code in Listing 6.

youdao

此时它会应用一项技术，即当前栈替换(On Stack Replacement, OSR)，从而切换到新代码的执行上。

It then USES a technique known as on Stack Replacement (OSR) to switch to the execution of the new code.

youdao

编译器运行的次数很难预测，JVM按照自己的想法从解释代码切换到编译代码，而且在运行期间，相同的代码路径可能编译、重新编译不止一次。

The compiler runs at less predictable times, the JVM switches from interpreted to compiled code at will, and the same code path may be compiled and recompiled more than once during a run.

youdao