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2009-10-29
, 17:41
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#2
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Originally Posted by titan
Turning the device doesn't save power unless you're talking in terms of days.
* over night: saves energy and let's you sleep
Originally Posted by titan
Shutting down and restarting is probably faster than hibernating, honestly.
* in the proximity of sensitive devices (clinic)
* battery changing
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Ryan Abel
Ryan Abel
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2009-10-29
, 17:55
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@ Germany
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#3
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Originally Posted by GeneralAntilles
after recharging the battery in the evening
Turning the device doesn't save power unless you're talking in terms of days.
I see no point in keeping the device on during my sleep.
I don't mean saving battery power but energy in general.
I know some people are used to keeping all devices on (TV)
even if they leave their house but some people are more environmentally aware.
Shutting down and restarting is probably faster than hibernating, honestly.
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2009-10-29
, 17:59
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@ Sicily
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#4
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Though, I'd like hibernation very much. At least to change battery when the first one is dead.
Could be an interesting project when my N900 is available; maybe tough too.
Could be an interesting project when my N900 is available; maybe tough too.
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Ernesto de Bernardis
Ernesto de Bernardis
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2009-10-29
, 18:02
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@ Finland
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#5
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Originally Posted by titan
Saving battery means saving energy in general...
I don't mean saving battery power but energy in general.
AFAIK, booting the device up consumes so much power that you're doing better by keeping the device in offline mode over night.
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2009-10-29
, 18:30
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#6
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Originally Posted by titan
Ah, yes, this is a productive way to have a discussion.
I know some people are used to keeping all devices on (TV)
even if they leave their house but some people are more environmentally aware.
Originally Posted by hqh
Yes, this is the case.
Saving battery means saving energy in general...
AFAIK, booting the device up consumes so much power that you're doing better by keeping the device in offline mode over night.
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Ryan Abel
Ryan Abel
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2009-10-29
, 19:43
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#7
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Originally Posted by titan
Well, there had been some work on suspending to RAM during the Chinook/early-Diablo era. I don't know of anyone working on anything similar for Maemo 5 though.
does or will Maemo support hibernation (suspend to disk)...
Suspension to RAM/disk would probably be best as a Brainstorm idea at this point.
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maemo.org profile
maemo.org profile
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2009-10-29
, 21:03
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#8
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Originally Posted by GeneralAntilles
This is wrong for the 770/N800/N810, and even more wrong for the N900 with its (supposedly) better processor and power hungry radios.
Turning the device doesn't save power unless you're talking in terms of days.
See here for a simple calculation:
http://talk.maemo.org/showthread.php...639#post297639
Shutting down and restarting is probably faster than hibernating, honestly.
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2009-10-29
, 21:32
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#9
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Originally Posted by Matan
Video playback does not use the same amount of power as bootup. Either way, I'm more inclined to trust the kernel engineers at Nokia who live and breath this stuff than some random estimates on a web forum.
This is wrong for the 770/N800/N810, and even more wrong for the N900 with its (supposedly) better processor and power hungry radios.
See here for a simple calculation:
http://talk.maemo.org/showthread.php...639#post297639
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Ryan Abel
Ryan Abel
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2009-10-29
, 22:14
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#10
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Originally Posted by GeneralAntilles
Well, if they tell you that 1+1=3 and you trust them, good for you.
Video playback does not use the same amount of power as bootup. Either way, I'm more inclined to trust the kernel engineers at Nokia who live and breath this stuff than some random estimates on a web forum.
Please ask them what is the system current draw at idle, and during shutdown./boot. Then do the math.
does or will Maemo support hibernation (suspend to disk),
which Linux supports on most PCs?
It is a very useful feature if you want keep all your applications
open and in the same state over periods of power off.
There are several scenarios in which you want or have to turn off the device but don't want to start all applications again:
* over night: saves energy and let's you sleep
* in the proximity of sensitive devices (clinic)
* battery changing
cheers
Last edited by titan; 2009-11-03 at 18:09.