Upcoming GPU backend changes

[Doug Simon]

Sure. I’ll post a webrev when I have one.

-Doug

On Jan 22, 2014, at 10:06 PM, Deneau, Tom <tom.deneau at amd.com> wrote:

> Doug --
> 
> It would be good if AMD could get access to this before it gets checked in
> so we can give some feedback.  In particular, there are hsail-hardware based targets
> which are not publicly available which we can test on.
> 
> -- Tom
> 
> 
>> -----Original Message-----
>> From: graal-dev-bounces at openjdk.java.net [mailto:graal-dev-
>> bounces at openjdk.java.net] On Behalf Of Doug Simon
>> Sent: Wednesday, January 22, 2014 2:24 PM
>> To: sumatra-dev at openjdk.java.net; graal-dev at openjdk.java.net
>> Subject: Upcoming GPU backend changes
>> 
>> Hi,
>> 
>> I've just created a JBS issue supporting multiple co-existing GPU
>> backends: https://bugs.openjdk.java.net/browse/GRAAL-1
>> 
>> Prior to making the C++ changes need for this, I want to bring the HSAIL
>> Java code more in alignment with the recently revised PTX backend.
>> Namely:
>> 
>> 1. All compilation harness logic will be moved into HSAILHotSpotBackend
>> (out of HSAILCompilationResult).
>> 2. Create the equivalent of PTXWrapperBuilder for HSAIL. This is a
>> generated stub that handles the transition from CPU to GPU and back. It
>> also removes the need for the C++ HSAILKernelArguments class.
>> 
>> If you have any questions or concerns about this, please let me know
>> asap. I'm happy to have a Skype call as well if that is desirable.
>> 
>> -Doug
>> 
>> 
> 
>