IBM User Guide for Java V7 on Windows > Reference > Command-line options > JIT and AOT command-line options

-Xjit

Use this option to control the behavior of the JIT compiler.

-Xjit[:<parameter>=<value>, ...]

With no parameters, enables the JIT compiler. The JIT compiler is enabled by default, so using this option on its own has no effect. Useful parameters are:

count=<n>

Where <n> is the number of times a method is called before it is compiled. For example, setting count=0 forces the JIT compiler to compile everything on first execution.

limitFile=(<filename>, <m>, <n>)

Compile only the methods listed on lines <m> to <n> in the specified limit file. Methods not listed in the limit file and methods listed on lines outside the range are not compiled.

optlevel=[ noOpt | cold | warm | hot | veryHot | scorching ]

Forces the JIT compiler to compile all methods at a specific optimization level. Specifying optlevel might have an unexpected effect on performance, including reduced overall performance.

verbose

Reports information about the JIT and AOT compiler configuration and method compilation.

Parent: JIT and AOT command-line options

Error 404 - Not Found

The document you are looking for may have been removed or re-named. Please contact the web site owner for further assistance.