Apple JDK’s / OpenJDK’s – Core2Duo vs Core i7

Last Updated on Lundi, 18 avril 2011 07:57 Written by Henri Gomez Lundi, 18 avril 2011 07:39

Previously I did benchmark of Apple VMs and OpenJDK 6 and I wanted to see how all of the JVMs available today on our Mac on two systems, an old Core2Duo and a newer Core i7. And also see how they perform 32 / 64 bits kernel mode.

So I redo full dacapo bench suite to include OpenJDK 6, and we have now 5 VMs (3 Java 6 and 2 Java 7) :

• Apple Java 1.6.0_22 – Java HotSpot(TM) 64-Bit Server VM (build 17.1-b03-314, mixed mode)
• Apple Java 1.6.0_24 – Java HotSpot(TM) 64-Bit Server VM (build 19.1-b02-348, mixed mode)
• OpenJDK 7 bsd-port – OpenJDK 64-Bit Server VM (build 21.0-b07, mixed mode)
• OpenJDK 7 macosx-port – OpenJDK 64-Bit Server VM (build 21.0-b07, mixed mode)
• OpenJDK 6 macports – OpenJDK 64-Bit Server VM (build 17.0-b16, mixed mode)

Results on MacBook Pro – Core2Duo 2.66Ghz – 32bits kernel

Results on iMac – Core i7 2.8Ghz – 64bits kernel

Conclusion

As seen if previous article, latest Apple JVM, 1.6.0-24 perform better than the old 1.6.0-22, and still behind OpenJDK 7 and even OpenJDK 6. OpenJDK 7 bsd-port is still faster (by a small factor) than OpenJDK 7 from macosx-port (built with LLVM), in both simple threaded (Core2Duo, 2 cores) and large threaded (i7 4 cores with hyperthreading).

This benchmark show how good is Intel Core i7 comparing to previous generation Intel Core2Duo, roughly twice as fast.

Apple JDK’s / OpenJDK – back to benchs

Last Updated on Dimanche, 17 avril 2011 05:59 Written by Henri Gomez Samedi, 16 avril 2011 02:52

It’s good to see works in progress for Aqua/Cocoa – AWT ports but what about JVM performances ?

Test vms

I selected 4 VMs to be tested


Apple Java 1.6.0_22 - java version "1.6.0_22"
Java(TM) SE Runtime Environment (build 1.6.0_22-b04-314-10M3406a)
Java HotSpot(TM) 64-Bit Server VM (build 17.1-b03-314, mixed mode)



Apple Java 1.6.0_24 - java version "1.6.0_24"
Java(TM) SE Runtime Environment (build 1.6.0_24-b07-348-10M3406a)
Java HotSpot(TM) 64-Bit Server VM (build 19.1-b02-348, mixed mode)



OpenJDK 7 bsd-port - openjdk version "1.7.0-internal"
OpenJDK Runtime Environment (build 1.7.0-internal-henri_2011_04_11_08_24-b00)
OpenJDK 64-Bit Server VM (build 21.0-b07, mixed mode)



OpenJDK 7 macosx-port - openjdk version "1.7.0-internal"
OpenJDK Runtime Environment (build 1.7.0-internal-b00)
OpenJDK 64-Bit Server VM (build 21.0-b07, mixed mode)


Test system

My test system is an Apple iMac (iMac11,1 ) with Intel i7 2.80Ghz and 8Gb DDR3 1067Mhz, running under SnowLeopard 10.6.7 64bits.
I wanted to test 64bits VMs on a 64bits machine and this time use a stronger processor with more threads (ie: 4 cores with hyperthreading).

DaCapo Benchmarks

I keep the DaCapo 9.12-bach.

Bench tests launched with -n X, ie (java -jar dacapo-9.12-bach.jar -n 10 pmd)

Conclusion

Latest Apple JVM, 1.6.0-24 perform better than the old 1.6.0-22 in all of the tests and is near OpenJDK 7 results.

OpenJDK 7 from the bsd-port perform a little better than the macosx-port. The main difference in build is bsd-port is using stock gcc whereas macos-port use llvm-gcc.

bsd-port using stock-gcc during OpenJDK build

Compiling /Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-bsdport-x86_64/workspace/hotspot/src/share/vm/adlc/arena.cpp
rm -f ../generated/adfiles/arena.o
/Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-bsdport-x86_64/workspace/ALT_COMPILER_PATH/g++ -D_ALLBSD_SOURCE -D_GNU_SOURCE -DAMD64 -I/Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-bsdport-x86_64/workspace/hotspot/src/share/vm/prims -I/Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-bsdport-x86_64/workspace/hotspot/src/share/vm -I/Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-bsdport-x86_64/workspace/hotspot/src/cpu/x86/vm -I/Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-bsdport-x86_64/workspace/hotspot/src/os_cpu/bsd_x86/vm -I/Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-bsdport-x86_64/workspace/hotspot/src/os/bsd/vm -I/Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-bsdport-x86_64/workspace/hotspot/src/os/posix/vm -I/Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-bsdport-x86_64/workspace/hotspot/src/share/vm/adlc -I../generated -DASSERT -DTARGET_OS_FAMILY_bsd -DTARGET_ARCH_x86 -DTARGET_ARCH_MODEL_x86_64 -DTARGET_OS_ARCH_bsd_x86 -DTARGET_OS_ARCH_MODEL_bsd_x86_64 -DTARGET_COMPILER_gcc -DCOMPILER2 -DCOMPILER1  -fno-rtti -fno-exceptions -pthread -fcheck-new -m64 -pipe -Werror -g -c -o ../generated/adfiles/arena.o /Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-bsdport-x86_64/workspace/hotspot/src/share/vm/adlc/arena.cpp

macosx-port using llvm-gcc during OpenJDK build

Compiling /Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-macosx-universal/workspace/hotspot/src/share/vm/adlc/arena.cpp
rm -f ../generated/adfiles/arena.o
llvm-g++ -D_ALLBSD_SOURCE -D_GNU_SOURCE -DIA32 -I/Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-macosx-universal/workspace/hotspot/src/share/vm/prims -I/Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-macosx-universal/workspace/hotspot/src/share/vm -I/Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-macosx-universal/workspace/hotspot/src/cpu/x86/vm -I/Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-macosx-universal/workspace/hotspot/src/os_cpu/bsd_x86/vm -I/Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-macosx-universal/workspace/hotspot/src/os/bsd/vm -I/Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-macosx-universal/workspace/hotspot/src/os/posix/vm -I/Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-macosx-universal/workspace/hotspot/src/share/vm/adlc -I../generated -DASSERT -DTARGET_OS_FAMILY_bsd -DTARGET_ARCH_x86 -DTARGET_ARCH_MODEL_x86_32 -DTARGET_OS_ARCH_bsd_x86 -DTARGET_OS_ARCH_MODEL_bsd_x86_32 -DTARGET_COMPILER_gcc -DCOMPILER2 -DCOMPILER1  -fno-rtti -fno-exceptions -pthread -fcheck-new -m32 -march=i586 -mstackrealign -pipe -Werror -g -c -o ../generated/adfiles/arena.o /Users/henri/Documents/jenkins/data/jobs/openjdk-1.7-macosx-universal/workspace/hotspot/src/share/vm/adlc/arena.cpp

Performances gain in OpenJDK7 VM vs latest Apple 6 VM is smaller than previously (see previous articles on Apple JDK vs OpenJDK 6), switching to OpenJDK 7 will not be only for pure speed but for functionalities.

OpenJDK 7 on OS/X and IntelliJ IDEA EAP

Last Updated on Samedi, 16 avril 2011 02:20 Written by Henri Gomez Samedi, 16 avril 2011 02:16

During the last weeks, Apple started to contribute it’s Aqua/Cocoa port to OpenJDK 7 on the macosx-port branch. It’s still works it progress but it was nice to see some SWING apps like IntelliJ IDEA works on the preliminary release.

I used IntelliJ IDEA EAP (10.5) and tweaked it’s startup shell.sh to define AWT_TOOLKIT=CToolkit and add -Dswing.defaultlaf=com.apple.laf.AquaLookAndFeel since Aqua Look and Feel is not default for now.

export CLASSPATH

LD_LIBRARY_PATH=.:$LD_LIBRARY_PATH
export LD_LIBRARY_PATHAWT_TOOLKIT

# AWT/Cocoa port for OpenJDK 7 macosx-port
export=CToolkit
JVM_ARGS="-Dswing.defaultlaf=com.apple.laf.AquaLookAndFeel $JVM_ARGS"

cd "$IDEA_BIN_HOME"
while true ; do
  $IDEA_JDK/bin/java $JVM_ARGS -Djb.restart.code=88 $IDEA_MAIN_CLASS_NAME $*
  test $? -ne 88 && break
done

Then defined OpenJDK 7 from macosx port (available here) as default JVM and started IntelliJ by calling its shell script :

export JAVA_HOME=/Library/Java/JavaVirtualMachines/1.7.0.jdk/Contents/Home
/Applications/IdeaX-IU-106.396.app/bin/idea.sh

And I could see a Swing based application running on OpenJDK 7 and OS/X.

IntelliJ IDEA is so the second major IDE to be compatible with OpenJDK 7 and OS/X – Cocoa, first one was Eclipse thanks to it’s SWT/Cocoa bridge.
I tested with both NetBeans 7 RC1 and RC2 but it didn’t works. I hope it will be fixed in NetBeans 7 final release.