[9] RFR(M): 8129847: Compiling methods generated by Nashorn triggers high memory usage in C2

Zoltán Majó zoltan.majo at oracle.com
Fri Nov 27 09:54:50 UTC 2015

Hi Vladimir,

On 11/26/2015 03:56 PM, Vladimir Ivanov wrote:
>> Does JDK-8059241 plan to add something similar? In that case I would
>> wait for JDK-8059241 to be completed and then start experimenting with
>> increasing the number of times a PhaseRenumberLive is performed.
> There was a fix proposed [1], but it is broken when a call site for 
> delayed inlining dies in between.
>> If your suggestion is independent or JDK-8059241, then I would add it to
>> the already existing RFE JDK-8143321: "Reduce the C2 compiler's memory
>> usage". That RFE includes a number of suggestions on how to further
>> reduce the C2 compiler's memory usage. We might split the RFE into
>> different (sub-)tasks once it becomes clearer how to split up the the
>> work into manageable chunks.
> My suggestion is independent of 8059241.

Thank you for clarifying! I updated the description of JDK-8143321 to 
include your suggestion.

Best regards,


> Best regards,
> Vladimir Ivanov
> [1] http://cr.openjdk.java.net/~vlivanov/8059241/webrev.00/

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