Hi there. I rooted my nexus 7 last night and flashed the cm10.1 rom with faux 123 kernel and been able to oc it to 1.7.
Why can't we have kernels that oc and uv efficiently like other phones and tablets?
And finally the at&t has an s-off why can't we?
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Because the battery will melt.
No s off because we have tegra chipset, at&t has an qualcomm chipset which is easier to crack.
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What fo you mean the battery will melt? Othervdevices can handle this.
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If you want that your battery runs out after an hour of use, go ahead and OC
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Why would you want to., just for some stats.?
Not necessary at all...
Here GPU @ 520 Mhz all the power u will need
The nexus 7is a larger device and has much better heat dissipation Than the one x.
By overclocking all you really accomplish is heating the device to thermal throttling levels quicker.
Meaning
1.5ghz for 10mins before throttle then 1.2ghz throttled
Or
1.7ghz for 3mins before throttle then 1.2ghz throttled
In this scenario by overclocking you gain an extra 200mhz for 3mins but because of the overclocking the device heats up and throttled earlier. Thus losing 300MHz vs stock for the next 7mins.
Because of the poor thermal dissipation it makes overclocking pointless
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bagofcrap24 said:
The nexus 7is a larger device and has much better heat dissipation Than the one x.
By overclocking all you really accomplish is heating the device to thermal throttling levels quicker.
Meaning
1.5ghz for 10mins before throttle then 1.2ghz throttled
Or
1.7ghz for 3mins before throttle then 1.2ghz throttled
In this scenario by overclocking you gain an extra 200mhz for 3mins but because of the overclocking the device heats up and throttled earlier. Thus losing 300MHz vs stock for the next 7mins.
Because of the poor thermal dissipation it makes overclocking pointless
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On stock 4 cores will run @ 1.2 ghz, so when you oc by 200 mhz you run 4 cores at 1.4 ghz
Though they did get an overclock that runs 4 cores at 1.5.
The cpu thermal throttle kicks in at 85c and will shut down the phone at 90c.
Battery classes as "over heating" when it hits 48c.
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That was just an example.
Actually it runs single at 1.5 and quad at 1.4 stock
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Ok thanks for the info.
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What about UnderVolt ???
Is there any modules to undervolt ??? Or any other modules ???
I'm from LG Optimus 4X forum (Tegra 3) it has the same CPU & GPU so they should work .
I'm sorry if I posted in wrong place .
Thanks .
Sent From My LG-P880 (O4X) .
Most custom kernels (NCX, XM, etc.) let you UV.
Take a look at their git, it should have the modules you need.
Related
Just wondering what the max "safe" processor speed would be? I had mine at 1.8 just to run a benchmark and set it back to stock until I can find this out. Thanks!
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I have mine at 1.5 and I've had no problems.
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Believe it or not, I'm running 2 ghz perfectly stable. I wouldn't recommend this as it would suck your battery dry. 1.2 is good enough.
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I was able to benchmark without error at 2ghz, but developed stability issues after some time. 1.8ghz also exhibited similar behavior. I think 1.6ghz is probably the safest max. I'm only going as high as 1.5ghz.
If nothing else, I worry about the impact of high frequencies on my cpu. I run at 1.4 just to be safe
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is this possible right now
Right now no, but possible. I see no reason why you would want to overclock it.
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Faux123 isn't far away from getting it working, follow him on twitter for updates.
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Why? Battery life under load isn't great, and the thing overheats as it is
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bazman70 said:
Why? Battery life under load isn't great, and the thing overheats as it is
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...because it would be awesome?
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i want high antutu benchmarks i dont care if it ovehreats im used to hot phones as it is from the hd2 to the sensation
mox123 said:
i want high antutu benchmarks i dont care if it ovehreats im used to hot phones as it is from the hd2 to the sensation
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Bench marks mean nothing in the real world, also when running 4 cores It's limited to 1.2 GHz, 2 cores 1.4 GHz and 1 core 1.5 GHz
Be a better idea to work out how to remove this limit.
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Meltus said:
...because it would be awesome?
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Agreed. I am also waiting to over clock this thing.
treebill said:
Bench marks mean nothing in the real world, also when running 4 cores It's limited to 1.2 GHz, 2 cores 1.4 GHz and 1 core 1.5 GHz
Be a better idea to work out how to remove this limit.
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That seems to be the T30 version of the Tegra 3. As far as I know, we are using the T33 revision of Tegra 3, and are able to hit 1.5GHz on all cores under load. Might be wrong, but that's what I've read, we're using a new revision of Tegra 3.
i think you would be better off overclocking the gpu since the four cpu`s will be enough to run any game for the foreseeable future. i remember seeing a post saying that the could run the gpu at 600mhz and score 80+fps in the opengl egypt 720p offscreen benchmark. also the asus transformer prime has overclock and at 1.7ghz(reported stable) will hit over 14000 in antutu taking into account the higher res screen.
Nothing new since May????
I have been looking at jelly bean trinity kernels and I have noticed that they come in different GPU speeds. I was wondering if the GPU stays at 100% the whole time or does it underclock its self when not in heavy use?
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The gpu scales too, just like the CPU, albeit at different frequencies, if my memory serves me right (it never does) its like 143, 266 and 384 MHz. Something like that anyway.
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Yeah, I believe it uses steps like the CPU for when its not using heavily graphics or calculations.
I think the actual process is a bit more complicated because (if I recall right), the CPU and GPU are integrated.
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This a nice thread, thanks for sharing.
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A quick search brought up nothing, so what are the stock frequencies on the HOX on 2, 3, and 4 cores?
Let me know and I'll add them to this post so others can benefit from it too
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Anyone?
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from nvidia site:
Max Frequency Up to Single Core 1.5 GHz /Quad-Core 1.4 GHz
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just search for tegra 3
macioh said:
from nvidia site:
just search for tegra 3
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Click to collapse
Thanks , but single core? Tegra can't run on single
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^ yes tegra 3 has core-gating along with clock-gating, so basically to save power unused cores can be shut off completely or downclocked. Thats why in single core mode tegra 3 in 1x can go upto 1.5ghz and 1.4ghz in full quad mode when all the four cores are stressed..
APQ8064 1.5 - 1.7 GHz Quad Krait Adreno 320 QXGA 1080p No Modem 20 MP
gpsOneGen 8A with
GLONASS
Hexagon QDSP6
500MHz
USB 2.0 High Speed OTG
(480Mbps)
802.11a/b/g/n*
BT 3.x + HS
BT 4.0/LE FM Rx/Tx*
28nm
that is our soc.
what i need are the following answers.
---How many gpus do we have so i can set the number of gpus in the kernel? The current value is limited at 16.
---Specs on the display. (factory specs)
---Does the s4 support multi-core scheduler's? (awesome if it did)
---Also I need someone to find the various address lines in menuconfig for all variants including the n4. We might be able to make a universal kernel using that information.
---Are we using the first or second dsp6 version.
These questions directly effect the kernel
What addresses do you want? We all including mako use the same kernel address, Ramdisk varies, modem I don't remember on the top of my head. I have sbl3 and lk at home. But I don't think you care about those (for the kernel).
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When you say how many gpus do we have do you mean how many cores does the gpu have
jokersax11 said:
---Specs on the display. (factory specs)
Click to expand...
Click to collapse
I hope this helps. If it doesn't let me know and I'll see what I can do
Resolution: 768x1280
Refresh Rate: 60.0
X factor for DPI: 2.0
Density: 320 dpi
Pixel/Inch X: 319.79016 dpi
Pixel/Inch Y: 318.7451 dpi
This might help
http://www.reviewresults.in/reviewresults/post/2012/09/29/Mali-400-vs-Adreno-320-GPU.aspx
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kc_exactly said:
This might help
http://www.reviewresults.in/reviewresults/post/2012/09/29/Mali-400-vs-Adreno-320-GPU.aspx
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So it is a quad core GPU then.
That more seems like its a quad core soc's GPU. 4 cores doesn't seem right
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jokersax11 said:
That more seems like its a quad core soc's GPU. 4 cores doesn't seem right
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Yea, especially with a 64 core gpu showing up at CES for the tegra 4.
I bet it is 16, maybe more.
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kc_exactly said:
Yea, especially with a 64 core gpu showing up at CES for the tegra 4.
I bet it is 16, maybe more.
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Well 16 seems low, it could be 16 but it would be nice if it was more and the kernel is holding back. That does happen
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Well, my pals iPhone 5 smoked this phone in the gpu. I read an article that the new tegra is 64 core and it was a big deal. The tegra 3 was 12 from what I have found but a lot are only 4. I guess it is more the motion in the ocean than the size.
If I find out more I will let you know.
I found this too. http://www.reviewresults.in/reviewresults/post/2012/09/29/Tegra-3-vs-Adreno-320.aspx
It shows the Tegra 3 with 12 which I know is correct.
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It's funny how everyone puts these phones against the iphone and I pad without realizing how much of a beast this gpu is. Apple has been forced to use 3 sgs543 gpus each with 4 sub cores on the iphone 5 to get the performance that this one gpu gets with four sub cores. Just like when nvidia says their gpu has 64 cores it's 64 sub cores on one gpu.
Part of the reason that iproducts benchmark so well is due to less products to support and common socs throughout. That way, they can easily optimize the os for each product.
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