RFR: 8302149: Speed up compiler/jsr292/methodHandleExceptions/TestAMEnotNPE.java

[Vladimir Kozlov]

On Thu, 16 Feb 2023 16:41:22 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> test/hotspot/jtreg/compiler/jsr292/methodHandleExceptions/TestAMEnotNPE.java line 36:
>> 
>>> 34:  *                   compiler.jsr292.methodHandleExceptions.TestAMEnotNPE
>>> 35:  * @run main/othervm -Xcomp
>>> 36:  *                   -XX:CompileCommand=compileonly,*::test
>> 
>> What time you get if you specify all methods in test's class instead:
>> `compiler.jsr292.methodHandleExceptions.TestAMEnotNPE::*`
>
> It takes just a tiny bit longer. `2.3` seconds for that run, whereas with `-XX:CompileCommand=compileonly,*::test` I get `2` seconds.

I suggest then to use my proposal - compile all test's methods. I concern that compiling only one method may not catch some issues when the method is inlined.

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PR: https://git.openjdk.org/jdk/pull/12536