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

-Xaot

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

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

With no parameters, enables the AOT compiler. The AOT compiler is enabled by default but is not active unless shared classes are enabled. Using this option on its own has no effect. The following parameters are useful:

count=<n>

Where <n> is the number of times a method is called before it is compiled or loaded from an existing shared class cache. For example, setting count=0 forces the AOT compiler to compile everything on first execution.

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

Compile or load 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 or loaded.

loadExclude=<methods>

Do not load methods beginning with <methods>.

loadLimit=<methods>

Load methods beginning with <methods> only.

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

Load 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 loaded.

verbose

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

Parent: JIT and AOT command-line options

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