[Asus  Eee Pad Transformer Prime] batoo:
Hello, last two days I thought about I/O performance of great Asus Transformer Prime.

It is actually PDA so it means that device is not in the real power off state so much.

It can be used for ANY kernel and ANY rom!

Works with ANY ASUS TRANSFORMER MODEL!!!!!!!!!!!!!!!!!!!!!

Sooo let's tweak it for better performance!

We will reduce write times to SSD drive, no more hangups, ARNs etc.

I am using it on my own prime for one day and I have no delays at all.

For this test I need huge amount of volunteers to tune numbers in the script.

This change is only for actual session

If you want to save it after reboot use SManager for script autorun.

Here is script, run like. su

So download script on sdcard to root of sdcard, unzip and run:

su
cd /sdcard/
sh tune.sh

It is safe and it will not harm your system or break OTA update

The worst scenario is softresetting your device after

hang up (but it should be ok).

PLEASE I NEED RESPONSES FROM YOU!!!!

+ Faster system

+ less hangups (none on my Prime)

+ You don't have to flash new kernel

+ It is for actual session only, after reboot you have to run script again :)

+ Better battery life!

+ Longer life for internal SSD drive!

- If you reset your prime you can loose some of your datas

- If your system hangs you can loose some of your datas

- It is for actual session only, after reboot you have to run script again :)

EDIT: :::::::::::::::::: Ok version 0.2 is out. ::::::::::::::::::

With previous values I had problem with gmail.

With little tweaking I have no issues now and there is ALMOST no drop of permormance compared to version 0.1.

Changelog:

changed value for dirty_ratio from 90 to 70
changed value for dirty_background_ratio from 70 to 50

If you haven't gmail issues you don't have to install version 0.2

Nvm it seems that gmail issue had nothing to do with these changes

EDIT: 25.6.2012

Tune script is included here:

http://xdaforums.com/showpost.php?p=27862975&postcount=149

:::::::::::::::::: EDIT 2: 26.6.2012 New version out v0.3 ::::::::::::::::::

+ tweak for battery (audio is suspended earlier when it is not used

+ some tweaks to cfs scheduler should be more responsive

Let me know your experiences with this version!!

::::::::::::::::::8.7. 2012 NEW VERSION OUT! v0.4 ::::::::::::::::::

Some of ideas taken from here ! http://xdaforums.com/showthread.php?t=1205259

Optimalized for Prime

+ Added three types of scripts

+ 1st script = tune.v0.4.sh.zip = safe optimalization = only safe tweaks which will speed up IO operations a little bit

+ 2nd script = tune.v0.4.drive.sh.zip = drive optimalization = same like 1st script + optimalizations for internal ssd drive

+ 3rd script = tune.v0.4.max.sh.zip = heavy performance mode = 1st + 2nd script + "old" checked by users tweaks with background ratio, swapiness etc. + io mount tweaks + kernel tweaks + internet tweaks = max. perform. (for best turn sio TOO!!)

+ Longer life for internal SSD drive! Because noatime,noadatetime = less writes

- Somebody reported battery drain, so these relative functions were removed

Please for correct testing remove ATP application and run this script with SManager or manually (if you won't uninstall ATP it will change values...) If you don't want to remove ATP you have to wait for new developer of ATP when he will add these version of scripts to ATP !!!!!!!!!

If you have some problems after this script PLEASE try to remove ATP first, it seems that on some devices it has problems with running this script.