[code-reflection] RFR: PTX backend implementation for HAT [v2]

[Ruby Chen]

On Tue, 23 Jul 2024 20:22:15 GMT, Ruby Chen <duke at openjdk.org> wrote:

>> Implemented a PTX backend for HAT kernel execution; PTX will run on machines with supporting Nvidia GPUs. Currently works for Squares and Mandel kernel examples.
>> 
>> Also starting to implement a BlackScholes kernel for HAT.
>
> Ruby Chen has updated the pull request incrementally with one additional commit since the last revision:
> 
>   removing unnecessary optionals and appends

Just implemented all the suggested changes! In terms of the Black Scholes example, I'll probably experiment with implementing exp/log as PTX or as Java and choose the best option. 
Will also look into fleshing out pointer transformation 👍

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PR Comment: https://git.openjdk.org/babylon/pull/188#issuecomment-2246252830