Re: NG Lush and concurrency

On Thu, 30 Mar 2006, Raymond Martin wrote:

> I can't see why this would be absolutely necessary. Parallel execution can
> be carried out via multi-process system implementations using interprocess
> communication (IPC), which Lush already has.
>
> Multi-process systems are excellent for this kind of work. Take for example
> the QNX real-time operating system. It uses a microkernel architecture along
> with a synchronous IPC mechanism (with easy to use C function calls for
> send/receive/reply; Lush has something along these lines). It has real-world
> applications in mission critical apps: fighter jets, medical equipment, etc.
>
> As far as multiprocessor/core goes, in IPC that becomes more of an OS responsibility
> than a programmer one. You can also use the MPI interface (in Lush) in a similar way.
> All that need be done is set up a system to handle the processing in a distributed
> client/server, peer-to-peer, or other configuration.
>
> This is something you can do right now, without having to mess with threads (which
> are really lightweight processes anyway). Much easier to debug and there will be a
> lot less need to go through compile-test-debug cycles (if any need at all).


Right. And we can do all this in C already, There is no need for lush.

Ralf




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