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maemo.org - Talk (https://talk.maemo.org/index.php)
-   Nokia N900 (https://talk.maemo.org/forumdisplay.php?f=44)
-   -   This is real multitasking! (https://talk.maemo.org/showthread.php?t=43412)

fatalsaint 2010-02-25 22:12
Re: This is real multitasking!
 
Quote:
Originally Posted by Jerome (Post 546621)
Well... I can't listen to Pandora radio anyway, it is not available outside the US.

Indeed if you switch to type an SMS, the page won't load in the background. But trying to convince me is futile: I have an N900 and not an iPhone, remember?
I know :).. I just find it funny how people like to come screaming at me "THE IPHONE CAN TOO MULTI-TASK!!"..

Yeah.. and there's a laundry list of "if"'s that follow that statement including "if it was written by apple".

To me that's not truly multi-tasking... you should be able to run *any* two or more applications to qualify for me.

torpedo48 2010-02-26 08:27
Re: This is real multitasking!
 
Even if you jailbreak your iPhone, even if you install some Super-Extra-Power-Magnum-MultiTask-Fovever 2.0 Limited Edition in your iPhone, even if you manage to obtain some sort of active dashboard in your iPhone, how many apps could you keep opened at the same time with 256MB of RAM and no virtual memory? And how long will your battery live?

You would just have a micro-wave cooker without any warranty.

npsimons 2010-04-28 01:18
Re: This is real multitasking!
 
Quote:
Originally Posted by nightfire (Post 512813)
If people can get by without true multitasking, more power to them. :) To even discuss the point is kinda silly in this day and age.

When you're used to true multitasking (not just state-saving), anything less feels like a toy.
Coming from a guy who's done his fair share of OS work, multitasking *is* state-saving; some OSes just do it better (and faster) than others :)

jakiman 2010-04-28 03:37
Re: This is real multitasking!
 
Quote:
Originally Posted by npsimons (Post 630824)
Coming from a guy who's done his fair share of OS work, multitasking *is* state-saving; some OSes just do it better (and faster) than others :)
even if multiple apps constantly do stuff in the background in real time?

npsimons 2010-04-28 05:18
Re: This is real multitasking!
 
Quote:
Originally Posted by jakiman (Post 630895)
even if multiple apps constantly do stuff in the background in real time?
I was being facetious :) Before another "task" ("thread", "process", whatever it's called) can be run, the OS has to save the state of the current task (mostly CPU registers) to RAM so it can restore the state of the other task; therefore, multitasking is a form of state-saving (it's just done automatically by the OS many many times a second). You are right, though, in pointing out that some OSes essentially freeze the "backgrounded" tasks and won't give them slices of CPU time until the user "foregrounds" them, thereby effectively making those OSes single-tasking systems.

Be careful with the term "real-time" though; it has very specific meanings in OS land, and the truth is that hardly anything runs in real-time and doesn't really need to. Hardware is so high powered these days, and typical user requirements (even developers and power users) don't necessarily require it.

nightfire 2010-04-28 14:34
Re: This is real multitasking!
 
Ok, ok. :) I meant multitasking as in context switching, VM, semaphores, etc.

afaq 2010-04-28 19:49
Re: This is real multitasking!
 
http://farm5.static.flickr.com/4001/...ddc48470_o.png

This is great for me. Now to share this image with my fellow friends

firstknight 2010-08-22 10:14
Re: This is real multitasking!
 
great to hear... but now a days.. me having some problem.. especially web browsing.. it tends to hang and then said web browser is not responsive the close.... that is only 3 running apps.... sigh... anyone expereinceing this?

atilla 2010-08-22 11:18
Re: This is real multitasking!
 
multitasking is really great:)
and btw:has someone used the full ram and swap yet?
would be very interesting....

torpedo48 2010-08-22 11:48
Re: This is real multitasking!
 
Quote:
Originally Posted by firstknight (Post 794797)
great to hear... but now a days.. me having some problem.. especially web browsing.. it tends to hang and then said web browser is not responsive the close.... that is only 3 running apps.... sigh... anyone expereinceing this?
It usually happens to me only when my device's uptime is more than 5/6 days. A reboot solves it perfectly, but in your case a reflash might help.


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