hg: hsx/hsx16/baseline: 6909480: Disable Escape Analysis in jdk6u18
ben.evans at db.com
Thu Dec 10 22:50:35 PST 2009
hotspot-dev-bounces at openjdk.java.net wrote on 11/12/2009 06:39:32:
> Yes, users will not be able to switch it on in jdk6u18.
> Currently it is still experimental optimization
> and it could produce incorrect results.
Can you be more specific, please. All our testing of this feature shows it
Exactly what aspect of it is still troubling?
> Use early access jdk7 if you want to try it.
Been there, done that.
EA shows consistent benefit of at least a few %, and we want to switch it
on in production, and can't do that with a non Sun-supported build.
Please give us as much detail as you can (contact me offlist if necessary)
- we'd really like to know what's caused this decision, and if possible
see some code with corresponding PrintAssembly traces where errors could
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