DumpReplay?

Doug Simon doug.simon at oracle.com
Mon Oct 31 15:34:42 UTC 2016


> On 31 Oct 2016, at 16:10, Andrew Haley <aph at redhat.com> wrote:
> 
> On 31/10/16 15:00, Doug Simon wrote:
>> Hi Andrew,
>> 
>>> On 31 Oct 2016, at 13:50, Andrew Haley <aph at redhat.com> wrote:
>>> 
>>> Does DumpReplay work with Graal?  Or is there anything similar?
>> 
>> Graal does not currently support replay compilation. It’s something we’re actively working on but I don’t have an estimate time line yet for when it will be ready.
> 
> Thanks.
> 
> I didn't realize that it was something the compiler itself had to
> support: I thought that it was only necessary to save what is passed
> by the VM to the complier.

That’s true if the compiler is based on the native compiler interface (i.e. src/share/vm/ci). However, Graal is based on JVMCI which is completely separate from ci.

-Doug


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