RFR: 8173581 : performance regression in com/sun/crypto/provider/OutputFeedback.java

Valerie Peng valerie.peng at oracle.com
Mon Jan 30 22:57:12 UTC 2017


I am currently in a meeting and will take a look after this meeting 
finished.
Thanks,
Valerie

On 1/30/2017 2:27 PM, Martin Buchholz wrote:
> I judge this to be more serious than P3, even though correctness is 
> not affected, since production services have noticed unacceptable 
> performance regressions.
>
> On Mon, Jan 30, 2017 at 12:08 PM, Sean Mullan <sean.mullan at oracle.com 
> <mailto:sean.mullan at oracle.com>> wrote:
>
>     The fix looks ok to me, but I would also like Valerie to review it
>     since she is more familiar with this code.
>
>     As far as JDK 9 goes, we are in Rampdown Phase 1. According to the
>     rules [1], since it is a P3 and is new in JDK 9 we should try to
>     fix this issue if we can.
>
>     Were you offering to push this fix or did you want someone in the
>     Security group to take this over from you?
>
>     --Sean
>
>     [1] http://openjdk.java.net/projects/jdk9/rdp-1
>     <http://openjdk.java.net/projects/jdk9/rdp-1>
>
>
>     On 1/30/17 2:24 PM, Chuck Rasbold wrote:
>
>         Here's a tiny fix for an unintended, but clear, performance
>         regression.
>
>         I'm not familiar of the current criteria for jdk9 changes.
>         Please advise
>         this mostly HotSpot engineer if / how to move forward.
>
>         http://cr.openjdk.java.net/~rasbold/8173581/webrev.00/
>         <http://cr.openjdk.java.net/%7Erasbold/8173581/webrev.00/>
>         <http://cr.openjdk.java.net/~rasbold/8173581/webrev.00/
>         <http://cr.openjdk.java.net/%7Erasbold/8173581/webrev.00/>>
>
>

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