Antiproxy

Playing with proxies compilation flags.

Building and running

$ gradle [-q] build
$ gradle [-q] run

Check

gradle build is a prerequisite for each of thoses tasks.

Inlining

$ java -Xbatch -XX:-TieredCompilation \
       -XX:+PrintCompilation \
       -XX:+UnlockDiagnosticVMOptions -XX:+PrintInlining \
       -XX:+LogCompilation \
       -cp build/classes/main \
       org.dryft.antiproxy.Main

Or:

$ ./print_inlining.sh

Assembly

$ java -Xbatch -XX:-TieredCompilation \
       -XX:+UnlockDiagnosticVMOptions -XX:+PrintAssembly \
       -cp build/classes/main \
       org.dryft.antiproxy.Main

Or:

$ ./print_assembly.sh

Flags

-XX:+FreqInlineSize

325 bytecode instructions by default on Linux 64 bits.

-XX:+PrintCompilation (product)

Print hot methods.

https://gist.github.com/rednaxelafx/1165804#file-notes-md

-XX:+PrintInlining (diagnostic)

Print inlining tree and class profile.

-XX:+UnlockDiagnosticVmOptions required for inlining to work.

-XX:+LogCompilation (diagnostic)

More info, branch profile info, etc

-XX:+PrintAssembly (diagnostic)

Annotated generated code.

HotSpot disassembler plugin needed: https://kenai.com/projects/base-hsdis/downloads

Stability between executions

-Xbatch: one thread running and compilation
-XX:-TieredCompilation

notdryft/antiproxy