[ltp] what to use to save battery

[Florian Manschwetus]

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Kelvin KAN wrote:
> And the larger the amount of memory, the more the energy consumed to 
> write them all to disk.
> 
> Because someone earlier mentioned to increase the amount of memory (RAM) 
> to conserve disk activities.
> 
> I just tried to point out that if you use hibern/restore a lot (write to 
> disk), the energy consumption would increase, contradiciting the purpose.
> 
no this is wrong, if you have less ram if it is needed you will need to 
clear swap first before suspending, so there could be more activity.
Next part is the ram is cleared before suspending so the amount of data 
won't be so much more because suspend writes only the data, not the 
empty space.

florian
> 
> Andrew Barr wrote:
> 
>> On Wed, 2006-09-06 at 15:59 -0400, Brad Langhorst wrote:
>>
>>> On Tue, 2006-09-05 at 11:58 +0200, Adrian Bastholm wrote:
>>>
>>>> I was under the impression that hibernation saves the state to disk,
>>>> and a suspend consumes power since the state is saved to RAM.
>>>>
>>> you're correct.
>>>
>>> sometimes people use hibernate as a generic term.
>>>
>>
>> The original point (no longer quoted), I think, was to point out that
>> hibernate does a lot of disk I/O and consumes more immediate power than
>> STR for short periods.
>>
>>
>>> brad
>>>
>>>


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