RFR 8191989: TLAB Refills for Sparc

Robbin Ehn robbin.ehn at oracle.com
Fri Dec 1 07:47:23 UTC 2017

Hi JC,

Passes tier1-5.

Looks good, thanks for fixing!


On 2017-12-01 01:58, JC Beyler wrote:
> Hi all,
> The TLAB and the inline contiguous allocations handling are different for
> each architecture. On certain architectures, TLAB is never actually never
> refilled (ref:  https://bugs.openjdk.java.net/browse/JDK-8190862).
> The idea behind the implementation for Sparc is to do two things:
>    - separate TLAB usage to contiguous allocations in eden space.
>    - remove the code that augments the TLAB waste limit since that is
> already done in the common code slow path
> Bug: https://bugs.openjdk.java.net/browse/JDK-8191989
> WebRev: *http://cr.openjdk.java.net/~rasbold/8191989/webrev.01/
> <http://cr.openjdk.java.net/~rasbold/8191989/webrev.01/>*
> Does anyone see any issues with this webrev?
> Thanks for your help,
> Jc

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