On Jul 19, 2012, at 10:15 AM, Mark Roos wrote:
> Is there any way from within ( or from a debug agent ) to tell hotspot to
> forget all optimization?
Not really. There is -Xint which runs only in the interpreter.
And -client or -XX:TieredStopAtLevel=1 which turns off C2.
> I also see a few
Thanks John, don't jump right in to my report. I'll look into it more and
I really don't want to sidetrack you.
I did run with several flag choices ( server, tiered, debug agent ) and
found
only about a 10% difference after I let hotspot stabilize. I am pretty
sure
I don't have Christian's pa
On Jul 18, 2012, at 4:24 PM, Mark Roos wrote:
> While generally faster than 7u2 I do have a strangeness in that when my
> target is a chain of methodHandles its much slower then when my target
> is a methodHandle-callsite-chain of handles. My second case is where I add
> a debugging trap at th
FWIW
Everything RTALK works on Stephen's 7/11/2012 build. Thank you Stephen.
While generally faster than 7u2 I do have a strangeness in that when my
target is a chain of methodHandles its much slower then when my target
is a methodHandle-callsite-chain of handles. My second case is where I
ad
