Re: [boost] [compute] GPGPU Library - Request For Feedback

Subject: Re: [boost] [compute] GPGPU Library - Request For Feedback
From: Jeffrey Lee Hellrung, Jr. (jeffrey.hellrung_at_[hidden])
Date: 2013-03-06 12:32:55

On Mon, Mar 4, 2013 at 6:25 PM, Kyle Lutz <kyle.r.lutz_at_[hidden]> wrote:

> On Sun, Mar 3, 2013 at 6:39 PM, Hartmut Kaiser <hartmut.kaiser_at_[hidden]>
> wrote:
> >
> > Also, do you have asynchronous versions for all algorithms?
>
> As of now only copy_async() is implemented (as it is the most
> important for achieving good performance by overlapping memory
> transfers with computation). However, I am not sure if this is the
> best interface to be extended to all the other algorithms.
>
> I've been thinking about moving towards an asynchronous execution
> function like std::async() which would be passed the algorithm
> function along with its arguments. However, I've encountered problems
> with overloading and having to explicitly specify the argument
> template types. This is one point where I'd like to get some
> feedback/ideas from the community. I would also like to have a
> <algorithm>_async_after() version which would take the algorithms
> parameters along with a list of futures/events to wait for before
> beginning execution. My dilemma is that extending these different
> versions would increase the size of the API by a factor of three.
>
> Any feedback/ideas/comments would be very helpful.
>

This sounds vaguely similar to Google's Flume framework:

http://dl.acm.org/citation.cfm?id=1806638

- Jeff