[LLVMdev] Supporting heterogeneous computing in llvm, follow up.

[Eric Christopher]

Hi Christos,

I've taken a look at your slide deck and have been thinking about how to do
this for a while as well. I definitely think this is a good start and am
looking forward to the patches. I think getting the right compilation
strategy is going to be important here and it's going to take quite a bit
of thought to work through what you've got. The patches are likely going to
illuminate this quite a bit more. I'm also curious about any syntactic
sugar (ala cuda/etc) that you're thinking about here. There are some
reasonable starts in llvm already for opencl/cuda and I'm curious how you
see this extending those efforts in a more general fashion.

I'm looking forward to more work along these lines.

Thanks!

-eric

On Sat, Jun 6, 2015 at 3:45 AM Christos Margiolas <chrmargiolas at gmail.com>
wrote:

> Hello,
>
> As I first e-mailed yesterday, I have been working on a Heterogeneous
> Execution Engine (Hexe) that provides compiler and runtime support for the
> automatic and transparent offloading of loop and function workloads to
> accelerators.
>
> Hexe is composed of the following:
> a) Analysis and Transformation Passes for extracting loops or functions
> for offloading.
> b) A runtime library that handles scheduling, data sharing and coherency
> between the
> host and accelerator sides.
> c) A modular codebase and design. Adaptors specialize the code
> transformations for the target accelerators. Runtime plugins manage the
> interaction with the different accelerator environments.
>
> I have prepared a presentation that I would like to share. It provides a
> high level overview of the work. You can find it here:
>
> https://drive.google.com/file/d/0B5GasMlWJhTOb2tXTDZsal9qclE/view?usp=sharing
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__drive.google.com_file_d_0B5GasMlWJhTOb2tXTDZsal9qclE_view-3Fusp-3Dsharing&d=AwMFaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=Mfk2qtn1LTDThVkh6-oGglNfMADXfJdty4_bhmuhMHA&m=t542M_R9-hujomeI8c5bhqxLWhU4TYoljPwY_9i-x-U&s=XK0h3MbI-JivGXCxAI6Po54lQf_K9wx0d3GrzZ7D1SE&e=>
>
> In the next days I will push patches on phabricator, so people can give
> detailed feedback on the code and design. This may also help with coming up
> strategies on what needs to be done or changed.
>
> Regards
> Chris
>
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