But even on a single processor, you would see a tremendous gain if the
required process is doing stuff like a downloader helper app. The helper
app would continue to download while the master app would remain highly
responsive. Would that be right?
Giovanni
----------------------
Tim Jones wrote:
> On May 30, 2008, at 9:54 AM, Jean-Luc Arnaud wrote:
>
>
>> Thanks for information, Joe.
>>
>> Could you say a little bit more on helper app, or give us links to
>> articles ?
>>
>> Perharps, I'm doing so without knowing it. My main app runs as many
>> apps as necessary for achieving parallel tasks. Of course, there is
>> communication flow between main app and daughters apps.
>>
>
> That's a perfect description. Here's an example of one of my projects:
>
> We have a pair of tools that run from the command line. One talks to
> the server app for our system while the other actually performs data I/
> O for the movement of data between the client system and the server.
> We can be managing multiple operations from within a single management
> console and each of the shelled copies of the communication tool will
> be running as a separate process. If we are running on a multi-proc
> system, there is a good chance that the executive will run each
> instance on a different processor/core. It's just one of the things
> that the Unix paradigm provides without the headaches discussed
> concerning managing multiple preemptive threads.
>
> However, I do take things one step further and execute each of the
> streams above in its own RB cooperative thread to ensure the UI stays
> responsive.
>
>
>> Should I benefit of multitasking, doing that ? It seems like I don't
>> (perharps badly coded !!).
>>
>
> I suspect that you are if you have a multi-proc system. Of course,
> there's no real win outside of more elegant process management if
> you're on a single proc system...
>
> Tim
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