Re: [wxperl-users] alternatives to POE

[Donovan A. <al...@Zo...>]

=20
> To enable the concept of cooperative multitasking, I'd prob have to
> break up the comms into smaller chunks, and have some form of state
> memory for the poe framework to work. This however is not exactly the
> straightforward style of coding as one would normally do (though this =
is
> prob an arguable pt).

POE is non-blocking operators + iterators + event loop =3D cooperative =
multitasking.

> It seems to me that everyone knows how bad threading is for Perl, and
> rather than openly admit it, we regress (again, another arguable
> position) into cooperative multitasking. IMHO not the right thnig to =
do.

I think threading in perl is not so bad, but it is still very =
situational on where and when=20
you can really use it due to many modules that are not thread safe and =
the extreme memory
overhead if your threads don't need all of the cloned data.
=20
Threads, no matter what language, have their down side.  At least in =
perl threads you have to be much more involved in mashing global data =
(in general) because you have to share it.
=20
I recently stumbled across CLONE_SKIP in threads, which may provide a =
less bumpy ride=20
on these issues, but untested by me ATM.

My current solution is a mixture of cooperative multitasking (event =
loop) and parallelism (multiple peer apps using RPC over IPC-Shared =
Memory, a message queue, some peer apps are threading).

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