Re: [boost] Flow-based programming library for Boost?

Subject: Re: [boost] Flow-based programming library for Boost?
From: Jeff Flinn (Jeffrey.Flinn_at_[hidden])
Date: 2012-12-13 09:30:49

On 12/13/2012 8:44 AM, Hartmut Kaiser wrote:
>
>>> Is there any interest out there for a library that allows you to
>>> create fast, efficient flow-based programs with an easy-to-use
>>> object-oriented interface?
>>> (http://en.wikipedia.org/wiki/Flow-based_programming)
>>>
>>> I've created an open-source library that does this, called "DSPatch" (
>>> http://sourceforge.net/projects/dspatch) and would like to contribute
>>> it to the Boost Libraries.
>>>
>>> Please let me know if this sounds like something you'd like to see in
>> Boost.
>>
>> If you want such a library to be truly efficient, you should be able to
>> wire together the dataflows at compile-time and not pay any overhead for
>> composing large computations out of smaller ones.  The accumulators
>> library uses something like a dataflow model, with the "wiring" done
>> completely at compile-time.
>
> That's definitely one use case. In our experience it is much more important
> to compose the dataflow graph at runtime, though. Mainly, most of the time
> we don't know the shape of the dataflow graph to be constructed at compile
> time yet.

Perhaps being able to compose a mix run-time and compile-time components 
all Eric Niebler's Xpressive.

Jeff