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Old 08-12-2008, 01:40 PM
Rainald Taesler
Newsgroup Contributor
 
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Re: Time to wake up from hibernate mode

Robert M. Lincoln wrote:

> Do some tablets wake up faster from Hibernate Mode than other
> tablets?


YES!
It depends on their overall speed factors - CPU, memory, system board
etc., but mainly HDD-speed.
Hibernation means that all of what is held in the RAM is written to the
HDD (c:\hiberfil.sys) and on wake-up is read from there. So the decisive
factor is the speed of reading-in the content of the hibernation-file
from the HDD on wake-up.

> Does the amount of memory speed up or slow down wake up time?


In general: As every bit of what is held in the RAM on firing
hibernation is written to the HDD and read-in on wake-up, this naturally
means that the bigger the RAM, the bigger the hibernation file (just the
size of the file on your machine - it's almost the same size as your
RAM). The bigger the file, the longer the time needed for writing the
file as well as reading it.

But this only the basic principle.
This was quite important in the days of Win 9x. Sending the machine into
hibernation and waking it up was dramatically slowed down if the machine
had a huge RAM. I remember this only too well as I had been working with
hibernation since it was first introduced by COMPAQ in the late 1980s.
In the end with Win 98 and big memory it took almost as long to wakeup
the machine as it would take for a full boot.
Still I kept using hibernation because of its main advantage of keeping
all applications open.

However, things then dramatically changed with Win2k and again with XP.
MS was successful in optimizing the hibernation techniques and contrary
to the previously used techniques compression was used and empty sectors
were left out. Therefore the

Still: the amount of RAM installed is responsible for the size of the
hibernation file. The more RAM. the bigger the file.

> Are there ways to shorten the wakeup time when in Hibernate Mode?


NO.

Rainald

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Old 08-12-2008, 01:40 PM