[aarch64-port-dev ] DMB elimination in C2 synchronization implementation

Wei Tang wei.tang at linaro.org
Wed Sep 2 05:08:05 UTC 2015


No idea why attachment was blocked. Some supporting jpg files are
excluded,and only the patch file is attached this time. The difference
between this patch and Andrew's is that our focus is on redundant dmb
in all locking paths not on general CAS handling.
Please take a look!

http://cr.openjdk.java.net/~adinn/8080293/webrev.01/hotspot.changeset




On 2 September 2015 at 01:04, Andrew Haley <aph at redhat.com> wrote:

> Hi,
>
> On 09/01/2015 04:06 PM, Wei Tang wrote:
>
> >   We investigated aarch64 C2 synchronization implementation recently, and
> > found some space to improve, please take a look.
> >
> > The attached is patch and some supporting figures.
>
> There is no attachment.
>
> I am not at all sure if you have patched your sources with the patch
> http://cr.openjdk.java.net/~adinn/8080293/webrev.01/hotspot.changeset
> which is currently being reviewed.  Please make sure you do that.
>
> Andrew.
>
>
>
>


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