Large increase in startup time from JDK8 to JDK9

Andrew Haley aph at redhat.com
Mon Jul 25 11:58:53 UTC 2016


On 25/07/16 11:55, Claes Redestad wrote:

> There is also a huge difference between the exploded jdk and images:
> if you build a JDK yourself make sure you do startup investigation
> on one of the images under build/.../images/jdk|jre and not the
> exploded jdk under build/.../jdk - jlink does some magic already to
> speed up startup!

So it does: we're down to 1094453 bytecodes, which is something like a
30% increase over jdk8: not nice, but no disaster.  I would never have
guessed.

[BytecodeCounter::counter_value = 1094453]

Thanks,

Andrew.


More information about the jdk9-dev mailing list