yashsingh1/xdaforums huggingface dataset:
[Galaxy Tab 10.1 Android Development] luke05dee:
Hi, I have done what you said. First I downloaded and flashed task650 stock based ICS rom. I then tested 3 times using nenamark 2 and basemark es 2 which are in my opinion are the best GPU benchmarks available as especially basemark es2 is so graphically intensive. My results:

Basemark es 2 Play store link: https://play.google.com/store/apps/...MsImNvbS5yaWdodHdhcmUudGRtbTJ2MTBqbmlmcmVlIl0.

Nenamark 2 Play store link: https://play.google.com/store/apps/...t=W251bGwsMSwxLDEsInNlLm5lbmEubmVuYW1hcmsyIl0.

Stock kernel - GPU 333mhz

Nenamark 2 results:

1- 25.9fps

2- 25.9fps

3- 25.9fps

Basemark es 2 results:

1- 6.63fps

2- 6.61fps

Custom kernel 1ghz - GPU 400mhz

Nenamark 2 results:

1- 31.4fps

2- 31.3fps

3- 31.4fps

Basemark es 2 results:

1- 9.04fps

2- 9.03fps

I have attached proof in the form of screen shots below. I deliberately choose benchmarks which were the most intensive so to make sure the gpu scales to the maximum frequency. Obviously benchmarks are only one story, I ran some modern combat 3, and on stock it is a little sluggish. On 400mhz it is defiantly more responsive. Also, heat doesn't seem to be a problem, it is very hot in my room right now and the device barley got warm when doing the benchmarks with the GPU at 400mhz. There is defiantly a difference and it's not a placebo and it really does seem to be a usable overclock as there was no artifacting, or freezes. The GPU overclock was consistent in it's results and it clearly works. Please could you consider it for your CM10 kernel, the extra improvement along with Jelly Beans more refined way of drawing frames could mean our device may stay good for longer :D I have to say I wasn't expecting 400mhz to work as well as it does, because it is only a small frequency increase.

Now I am going back to cm10, the UI is just so much better looking than touchwiz ICS :) I really hope you will consider 400mhz, thank you very much :)

Edit: One thing I forgot to mention. I played riptide gp at highest graphics on stock at it was laggy, just did it again on 400mhz and it is smooth :D Sorry, I think I am getting a little bit too happy over this for a rational person, it's just it is so noticeable :)
[Galaxy Tab 10.1 Android Development] Grommish:
Edited to help keep the thread as clean as possible. :)
[Galaxy Tab 10.1 Android Development] pershoot:
The above request was for testing against GPU oc in the other kernel thread for 3.1 against stock ICS.
[Galaxy Tab 10.1 Android Development] luke05dee:
The test I did was that I flashed a stock touchwiz based ICS rom with the stock samsung kernel, I then did the benchmarking. I then flashed the 400mhz GPU custom ICS kernel and left it at 1ghz (http://xdaforums.com/showthread.php?t=1833136) and repeated the benchmarks. The test was as accurate as it probably could be to show the performance differences between 333mhz stock and 400mhz. I personally believe the results show a usable and consistent performance boost, but I am no kernel developer so may I ask what you think about the results I got please? :)
[Galaxy Tab 10.1 Android Development] katestar:
Those look good mate :) I am tempted now to try the gpu overclock my self.

Edit: Just flashed stock and used the kernel with the gpu higher clock speed all I have to say it this is plain cool! I am struggling to imagine what this would be like on cm10. :p
[Galaxy Tab 10.1 Android Development] Sharky444:
+1 for 400MHz GPU Option! That would rock!
[Galaxy Tab 10.1 Android Development] xdapao3:
Your choice, of course, and

in any case

thanks a lot for your great work but please know that there are quite a few people (me included) who much prefer stock ROMs and just want some "extras" (which in my case are root, CWM, OC, USB charging, NTFS support).

I will turn to Cyanogen ROMs ONLY when the tablet is not supported anymore by Samsung (like, for example, I have done with the Galaxy S)

I am already benefitting from this as I am using the A1 kernel which is in part based on your work too.

Again, thank you sir :o
[Galaxy Tab 10.1 Android Development] pershoot:
i will revisit the GPU OC, but im not promising it will be for ICS as I have a barrage of other things to wrap up so I can get a stable release out.

with any OC i need to refine/tweak, ensure its all ok before I release it, so that is why I may not get this in for ICS.
[Galaxy Tab 10.1 Android Development] Sharky444:
It would be OK if it's JB only.

p.s.

I made an interesting observation related to the SOD problem. At times I can charge from 20 to 100% without a SOD. Sometimes I get SODs when checking the tab in the morning. Yesterday the tab was at 16%, so I have turned it off and immediately attached the charging adapter. The tab crashed right away! It could not be turned on anymore. I had to hold down the button for 10 seconds so it could boot again. Since I have set the WLAN policy to turn off when locked, but keep on when charging I wonder if the SODs may have something to do with WLAN. I've locked the tab, so WLAN was shutting down, then attached the charger 3 seconds later, so WLAN was turned on again and maybe there is some timing issue that causes the shutdown. I've configured it now so that WLAN stays always on. I'll see what happens. (I have uninstalled Touchscreentune already, and also deleted the tab completely once, but that didn't stop the occasional SODs).
[Galaxy Tab 10.1 Android Development] pershoot:
update your bootloader. i never get SOD and my tab is pummelled to the brink of death. ive gotten maybe one on HC 3.0, but that was it (unless i was making a voltaile change, hehe).
[Galaxy Tab 10.1 Android Development] mr_at_sgs:
Any Odin way? I have sod's too. I already was hc 3.2 and stock 4.0.4, tried several cm9s and now with cm10 I have a lot of sods if I charge with screen off.
[Galaxy Tab 10.1 Android Development] guih:
I get many SODs as well.. I'm pretty sure we need to Odin flash the latest stock ROM and then Odin flash the latest CWM in order to regain root. I remember the dev in bindroids ICS thread wrote a detailed summary on how to do it.

Sent from my LTEVO
[Galaxy Tab 10.1 Android Development] coalee:
How can we check what the current version of bootloader in our tab? Is there any about button?
[Galaxy Tab 10.1 Android Development] guih:
Not that I know of, but if you haven't Odin flashed the latest ROM chances are you don't have it yet
[Galaxy Tab 10.1 Android Development] gokpog:
I'm tempted to say, don't waste your time flashing any more stock ROMs. 3.1, 3.2, 4.0.4 bootloader... if I charge with the screen of it will lock up. No bootloader changes that and I've tried many. I just live with it until pershoot gets a chance to look at it again.
[Galaxy Tab 10.1 Android Development] kordellas:
Does this work on 7500?
[Galaxy Tab 10.1 Android Development] Sharky444:
Should I just flash official 4.04 with Odin, then boot once, and flash your CM10 build?
[Galaxy Tab 10.1 Android Development] nakedninja42:
I asked pershoot if I should post my US bootloader.tar.md5 I created for 3.2 and 4.0.4 since he is busy with the kernel work. These are zips files and not for CWM. Extract the zip and load the bootloader.tar.md5 into PDA slot using ODIN and flash in download mode.

**DISCLAIMER** I have tested both tars and worked fine for me, I am not responsible for any damages that might happen to your tab by flashing. Bootloaders are risky thing to flash if your computer is not stable.

This is to help those who need just bootloaders to figure out SOD and not a substitute to those who need to revert to stock to clear up other "bugs".

Edit: Should also point out that these are from the retail Wifi P7510 releases and could lock bootloaders that were fortunate of not being locked in the first place.
[Galaxy Tab 10.1 Android Development] coalee:
Can anyone report the result please? Does it help on SOD issue?

Cheers..
[Galaxy Tab 10.1 Android Development] spitzaf:
Thanks ninja. This could also be helpful for people who don't want to go through the trouble of backup, flash via Odin, wipe, flash via recovery. I did the whole shebang last night finally, but really didn't understand why we need to go full stock just to update the bootloader.
[Galaxy Tab 10.1 Android Development] L33t Masta:
Has all CM development on the P4 ceased? I haven't seen a JB build in almost 2 weeks or a 3.0+ kernel yet.
[Galaxy Tab 10.1 Android Development] nakedninja42:
Last build was 8 days ago and pershoot has been busy preparing 3.1 kernel. Takes time to create perfection ;)
[Galaxy Tab 10.1 Android Development] guih:
Dude you are the man! I've been looking for something like this. I followed the instructions and faced zero issues. Hopefully everything works itself out now. Again, thank you so much :D
[Galaxy Tab 10.1 Android Development] Sharky444:
Guih, is your SOD problem fixed?
[Galaxy Tab 10.1 Android Development] GalaxyNinja:
I loaded the new bootloader last night with no issues. I have had one charge without SOD but I will wait a few more cycles before I declare my problem fix.

Thanks nakedninja!
[Galaxy Tab 10.1 Android Development] pietropizzi:
Which one did you flash ? 3.2 or 4.0.4 Version ?

I flashed US 4.0.4 bootloader on my P7500 (3G Europe) and hat one short Charge without SOD, have to test full cycle next

(had SOD and scrumbled Screen almost everytime I made a full charge cycle before coming from stock 3.2 --> CWM ICS AOKP --> CWM JB CM10)
[Galaxy Tab 10.1 Android Development] GalaxyNinja:
Flashed 4.0.4 since I'm using cm10 experimental.

I'm not sure if I'm imagining or what but the widgets seem to load faster on boot now.
[Galaxy Tab 10.1 Android Development] guih:
I had an SOD again after flashing the bootloader so I decided to jump to stock 404 with touchwiz. I'm going to try paranoid now and will see if I continue getting SODs

Sent from my LTEVO
[Galaxy Tab 10.1 Android Development] pershoot:
ive opened up testing on ICS p4wifi (GT-P7510) out of test.

0828 experimental.

droidbasement.com/roms/cm9/p4wifi/

if you experience bizarre behavior, get yourself on the ICS bootloader (in the folder). flash .tar.md5 inside .zip via PDA with odin.

for those that are on retail unlocked that want to update their bootloader, you should be able to flash the image inside via nvflash (part 4 for EBT) and retain your unlock (backup your current BL first though). the UK 4.0.4 ICS bootloader did not contain a SBK burn in it (so it stands to reason that the US one wouldn't either).

if you are on a european tab and want to change bootloaders, i am unsure if the UK ICS bootloader (not in the folder) will work properly (without giving you a rolling screen). you can try, but if not, you 'should' be able to use the US ICS bootloader.

if you experience anything odd, do a wipe and reflash and latest gapps (if you use them). you can update to the latest recovery in the folder.

all is working.

please do not report any issues without logs in hand. this is very important. im working towards RCs here and cannot spend too much time in this intermediary phase.

thx.
[Galaxy Tab 10.1 Android Development] pershoot:
rebuilding and reupping in a bit.
[Galaxy Tab 10.1 Android Development] guih:
Thank you so much for this

Sent from my LTEVO
[Galaxy Tab 10.1 Android Development] Ackoman:
Downloaded and installed this morning - all working well from what I can see, thank you so much!
[Galaxy Tab 10.1 Android Development] corei7qm:
can you give me a link where YOU downloaded this build please ??
[Galaxy Tab 10.1 Android Development] gokpog:
Get it here: http://droidbasement.com/galaxy/roms/cm9/p4wifi/

Build "cm-9-20120828-EXPERIMENTAL-p4wifi.zip" was down for a few hours:

@pershoot:

Do you still need testing on the HDMI adaptor?
[Galaxy Tab 10.1 Android Development] pershoot:
nope thats confirmed working. thx.
[Galaxy Tab 10.1 Android Development] msedek:
Dude if I have flashed via odin the first official release (Italian version) do I have my bootloader updated? I have never experienced a rolling screen but haven't tried any custom rom since the official release.. I'm only rooted and cwmed(5.0.8 touch) ...

Another question.. It's cm10 running with full project butter? (63 fps triple buffer etc etc)

Enviado desde mi LG-P990 usando Tapatalk 2
[Galaxy Tab 10.1 Android Development] pershoot:
check inside what you flashed to see,
[Galaxy Tab 10.1 Android Development] saigon66:
When i use this US_LPL_4.0.4_bootloader.zip, i got rolling CWM and i fix it with bootloader and it fixed the rolling CWM but is got issue with wake up screen ( rolling screen after wake up) . I try both way but it wouldnt help , it fixed another issue but get issue with other. Please help. Thanks
[Galaxy Tab 10.1 Android Development] pershoot:
you did not read my post.

please go back up and read it.

'you can update to the latest recovery in the folder'.

this means you should update to the recovery in the folder. you will not get a rolling screen afterwards while using US ICS BL while in recovery or with the rom.
[Galaxy Tab 10.1 Android Development] saigon66:
Sorry but which post did u mean. I can't find it and my english is not so good. Thanks you.
[Galaxy Tab 10.1 Android Development] pershoot:
its right above you. please do not flash anything unless it is clear to you what is written.

thanks.
[Galaxy Tab 10.1 Android Development] guih:
Should we be fine with TWRP instead of CWM?
[Galaxy Tab 10.1 Android Development] pershoot:
no, use the recovery that has been provided, especially since bootloaders are being updated. if someone wants to take the current kernel source used (3.1) and build a new TWRP with the proper ro.product in there to match the class of device, then that would be fine to use.
[Galaxy Tab 10.1 Android Development] goldlocke:
what kernel version does cm-9-20120828-EXPERIMENTAL-p4wifi.zip feature?

already 3.1? thx! :)
[Galaxy Tab 10.1 Android Development] pershoot:
yes.
[Galaxy Tab 10.1 Android Development] goldlocke:
awesome - downloading right now :D
[Galaxy Tab 10.1 Android Development] pershoot:
pls only flash unless you have read everything that my post contained. look above you.

http://xdaforums.com/showpost.php?p=30801527&postcount=4028
[Galaxy Tab 10.1 Android Development] djmatt604:
Quick question for anyone who has done this - is the supplied recovery CWM Touch or non-touch? I am dealing with the stupid "rolling" issue and would just like to be certain so that I can navigate through it if the screen distorts.
[Galaxy Tab 10.1 Android Development] pershoot:
Last time I will say this. This is all included in my post which is right above you.

If u update your bl to the us ics variant, use the supplied recovery in the folder. You will be fine for both ROM and recovery. The UK ICS bl may not work (you'll get rolling screen) with this for gt-p7510 but there is no harm in trying.
[Galaxy Tab 10.1 Android Development] coalee:
Pershoot: Quick question regarding to flash bootloader ; your were mention about flash with NVFLASH. I never used this app before. Can I used ODIN instead or not?

-Cheers
[Galaxy Tab 10.1 Android Development] pershoot:
if you do not have an unlocked tab, the only way you can flash a bootloader is through odin. US ICS Bootloader has been provided in the folder (.tar.md5 is inside the zip).
[Galaxy Tab 10.1 Android Development] djmatt604:
Thanks pershoot, this totally makes sense. My question was centered more on whether or not the supplied recovery is touch based or non-touch...understood that this and only this recovery should be used. More a question about the recovery itself. Sorry for any confusion
[Galaxy Tab 10.1 Android Development] nakedninja42:
NVFlash is relevant to those who are fortunate to have an unlock bootloaders.

The bootloader zip has a tar.md5 that is used in ODIN. Just know that if you are unlocked, the bootloaders could lock your tab.
[Galaxy Tab 10.1 Android Development] pershoot:
i only supply CWM non touch, which is what is built from the build system when i roll off a ROM build from CM repo. the current version is 6.0.1.2.
[Galaxy Tab 10.1 Android Development] nakedninja42:
I DO NOT recommend anyone else using another recoveries that are not built by pershoot. I tried touch CWM and liked it until I had a problem with my tab and learned that you cannot access the SD unless your on pershoots builds.

The recovery pershoot built is 6.0.1.2 so if you are on 4.0.0.4, 5.5.0.4 or 6.0.1.1 you need to upgrade!
[Galaxy Tab 10.1 Android Development] coalee:
Dumb question: How can I tell that my Tab is locked or unlocked bootloader? Since I bought this tab, I just flashed cwm with odin and then flashed custom rom with odin without any problem.

Cheers
[Galaxy Tab 10.1 Android Development] pershoot:
If u see a pad unlock at boot, u are unlocked.
[Galaxy Tab 10.1 Android Development] goldlocke:
Just wanted to report back on the 08/28 experimental build - great stuff! :good:

Finally CM with working front facing camera. ^^

What I did on my GT-P7510 US version:

1. odined US ICS bootloader provided in http://droidbasement.com/galaxy/roms/cm9/p4wifi/

2. odined recovery.tar.md5 from 08/28 in the same folder

3. wiped all to factory reset in pershoot's CWM

4. flashed cm-9-20120828-EXPERIMENTAL-p4wifi.zip thru pershoot's CWM

5. flashed gapps-ics-20120429-signed.zip

6. wiped dalvik cache

7. rebooted

Everything works so far...will report back 2morrow. :D
[Galaxy Tab 10.1 Android Development] coalee:
Umm.... I only see Samsung Galaxy Tab logo at boot time. I guess I have locked bootloader. :confused:

then... I will flash US bootloader via odin.
[Galaxy Tab 10.1 Android Development] guih:
Thanks

Yes, you are locked
[Galaxy Tab 10.1 Android Development] bertiespeed:
Been running this all day no problems everything went smooth with CWM 5504 and 0429 gapps great work . Flashed as normal with out issue .:good:
[Galaxy Tab 10.1 Android Development] djmatt604:
All worked like a charm. Really appreciate it pershoot/all.
[Galaxy Tab 10.1 Android Development] John NHT:
you mean droidbasement.com/galaxy/roms/cm9/p4wifi/ correct??
[Galaxy Tab 10.1 Android Development] coalee:
As MapleSyrup mention on TWRP forum, the latest TWRP v.2.2.2.0 has been build using pershoot's 3.1 kernel. Therefore, it should be OK to flash experiment CM9/10 :o
[Galaxy Tab 10.1 Android Development] Ackoman:
Please excuse my ignorance, but what is the benefit of an unlocked bootloader? As far as i know, mine is not unlocked and I want to know what i am missing out on!
[Galaxy Tab 10.1 Android Development] djmatt604:
I asked this question a while back and I know this may not help much, lol...but from what I have seen not much. My bootloader is locked and I have flashed lots...just had issues with having the WRONG bootloader for certain things. And I doubt an unlocked BL would help me with that :)
[Galaxy Tab 10.1 Android Development] gokpog:
"NVFLash" is an utility for writing to the ROM on your Tegra2 device. It's like "fastboot" on many other devices, not the same, but close enough to give you an idea and both require an unlocked bootloader to work.
[Galaxy Tab 10.1 Android Development] used2hvatreo:
I put fastboot on my Tab because its awesome, but you need an unlocked bootloader in order to do it. Fastboot ftw
[Galaxy Tab 10.1 Android Development] Grommish:
Anymore your not missing anything. In the beginning' the unlocked bootloader allowed us to change the recovery partition to CWM. But later updates changed and locked the BL.
[Galaxy Tab 10.1 Android Development] Ackoman:
OK, thank for all the replies - sounds like it's not something I need to be too concerned about then......
[Galaxy Tab 10.1 Android Development] L33t Masta:
No love for the 7500 :(
[Galaxy Tab 10.1 Android Development] nakedninja42:
Patience is a virtue...
[Galaxy Tab 10.1 Android Development] decatf:
I had this installed and running yesterday. Today I was going to go back to the stock ICS rom.

I had also installed the CWM recovery.tar.md5 file from droidbasement.com/galaxy/roms/cm9/p4wifi/. It froze part way through the the wipe data option. I powered off the device. Now the screen never turns on and it shows up as APX in device manager.

I search the forums and found threads talking about flashing the bootloader with nvflash.

When I run nvflash.exe --bl bootloader.bin --go it returns the following:

Nvflash started

rcm version 0X4

Command send failed (usb write failed)

So this means this device has a locked bootloader(?). Is this device broken now?
[Galaxy Tab 10.1 Android Development] pershoot:
you've had some corruption while installing/odin, etc., what have you, it was forced down in that state (you hard powered off) and the device locked itself.

this just happened to a friend of mine recently (and to many others in the past).

if you cannot get to download mode, then you have only 2 options.

1st option:

tape the power button until it runs completly out of juice, then plug in power, and wait for some charge, then try to power up.

if that does not work (it did not for my friend),

send it back to samsung and they will reflash/replace what they need to, to get you back up and running.
[Galaxy Tab 10.1 Android Development] decatf:
It was flashed with a custom ROM though. I have read lots of people post about the binary counter (I have flashed many ROMs on this device). Does this void the warranty?

Did your friend have to pay for the repair?

I will try the battery drain method first. How long does it take to drain the battery?

I found this thread where one person mentions 10% per day. My device was fully charged so it may take a while to try out this method.
[Galaxy Tab 10.1 Android Development] pershoot:
if you were just CWM flashing those roms, i dont believe your counter would be touched.

it takes long to drain the battery, depending on how much you had in there.

my friend did not have to pay for repair.
[Galaxy Tab 10.1 Android Development] Clouseau219:
In my case it took 3 days (tab was fully charged) until the battery was drained. I had the DSOD two times. First time I send it back to amazon for repair I didn't noticed that the tab was in apx mode. Second time I could fix it by myself.
[Galaxy Tab 10.1 Android Development] Benzoman:
Thanks mate this answers a question I didn't want to pollute your thread with so I put in Q&A with no real help forthcoming. You've just confirmed my exact thoughts of what the answer truly was.

So I'm polluting the thread now with a Great big THANK YOU for all that you do for us tab owners! You are GREATLY APPRECIATED! :good:
[Galaxy Tab 10.1 Android Development] katestar:
Been running 1.6ghz all day with the gpu at 400mhz with AAcounts kernel, it has been super stable at 1.6ghz, no lockups or general instability, also the heat is barely noticeable over 1.4ghz. At 1.6ghz there isn't a huge speed increase over 1.4ghz as it is only a 200mhz increase on each core, but I have defiantly noticed less slow downs and freezes when doing more complex things on the tab over 1.4ghz on stock firmware. I just want to reiterate the point that the heat increase at 1.6ghz from 1.4ghz is negligible. Pershoot, you might want to check out 1.6ghz for the 3.1 cm10 kernel, as it works. I believe 1.6ghz is running at 1375mV CPU and 1450mV core which is fairly safe for a 40mn manufacturing process's which the t20 tegra 2 is. You may want to check it out mate, as on stock at 1.6ghz with the gpu at 400mhz it feels so fast, just imagine what it would be like on your cm10 builds :)
[Galaxy Tab 10.1 Android Development] pershoot:
my thoughts on this are staying the same. i will not be going past 1.4GHZ or bringing in GPU OC at this current time.
[Galaxy Tab 10.1 Android Development] katestar:
Fair enough, just thought I should let you know :) Anyway, thanks again for what you do here, I am currently flashing back to cm10 as it just looks and feels better than stock did even at 1.6ghz and gpu at 400mhz :) Which I think says a lot, so thanks :)
[Galaxy Tab 10.1 Android Development] guih:
Can anyone confirm this?

Sent from my LTEVO
[Galaxy Tab 10.1 Android Development] AUTX_buckeye:
Just checking... Running stock ics on a tmo tab t859. Are the newer kernels ok to flash? I know when i had hc i had to find the older version, just want to make sure I don't brick my tab

Thanks
[Galaxy Tab 10.1 Android Development] pershoot:
There isn't a kernel in this thread you can use for stock ICS.