yashsingh1/xdaforums huggingface dataset:
[Galaxy S 4 General] sorg:
I've just asked to rephrase sentence I've quoted. Nothing else. It's not relative to technical terms at all.

Re-phasing other sentences (you did) is not required, because other sentences are already clear enough.
[Galaxy S 4 General] toxicdust:
I remember now why I stopped contributing to XDA. Everyone is a genius here that knows absolutely everything...

[MENTION=4167023]AndreiLux[/MENTION] - You start this tread and 7 pages in all you give as proof is "Im not spoon-feeding you". So now that 20 ppl are involved fighting are you going to get your head out your ass and explain what you found in detail and how it affects everyone and how you got to finding this? or are you just going to say nothing with no proof giving except "um yea you know i found this um yea bro and you just um yea got to believes me bro" cause I would love to see some evidence to your speculation. Thanks bro

[MENTION=2656752]ChronoReverse[/MENTION] - Elitist could you please stop expecting everyone is a absolute genius like you're claiming to be and be more respectful. You comment on everything in this tread like you fcing drew up the schematics on how the universe was designed. Please come back to earth and be less of a jerk.

[MENTION=4554423]Whoevercares[/MENTION]toreadthis - I am only as good as the information available out there. The information portrait in the articles I read is where my knowledge of this stops so PLEASE enlighten all of us that don't know how the technology works that's stated in 5 articles in total over the internet how YOUR understanding is so much better than the limited information available on the net about the big.LITTLE technology. We clearly see it everywhere implemented and its not like the technology has advanced much as its 1st implementation was launched to the public a week ago. Even though in theory it was talked about for 2 years stop being so elite about it as this technology is new and stop saying "quoting 2 year old articles" Yea show me a article from last week and I will quote that one.
[Galaxy S 4 General] ChronoReverse:
Irony right here folks.

Seriously, look at the language you're using on the OP of the topic, one of the very few guys who actually knows this stuff.
[Galaxy S 4 General] toxicdust:
Yea .. I don't see him sharing anything except ... "I found something, but I cant tell you"
[Galaxy S 4 General] trein91:
Check out the I9300 kernels section. You are a joke lol.
[Galaxy S 4 General] demlasjr:
[MENTION=4167023]AndreiLux[/MENTION] there is a thread of a guy who have the Korean S4. there is no 1.8Ghz max frequency, he have 1.6Ghz like the international version. I think Samsung just changed its mind. If you want the link to the thread just let me know.
[Galaxy S 4 General] matheus_sc:
gt 9505 as better gpu only in open gl 3.0 because power dont support and gt 9505 can Throttle in some cases, have decive has a weak point, i think with time gt 9500 will be much better than 9505
[Galaxy S 4 General] AndreiLux:
Excuse me but that the hell do you want? I already explained how to differentiate between the two drivers. I already told you I'm not going to spoon-feed you. Anybody capable of reading code will find the IKS CPUFreq drivers in the source code which is publicly available, so I'm going to ask you, what exactly do you want? Do you want me to explain to you how the driver works? Let's arrange some paid private lessons then.

I've already did my job in informing the people on this forum about big.LITTLE in this thread and gladly asked the questions posed there.

But your first sentence here is hilarious, you're exactly the type of genius you're describing above: absolutely no first-hand knowledge and just regurgitating information from news websites. I take it for a fact that you didn't read my thread above on the matter else we wouldn't be having this discussion at this moment. So I'm going to correct you on that: you're only as good as the information which you consume. If you cannot invest and research more than 5 minutes on the top results of Google, then you have no place in the discussion.

Also about news sites in general: Most of them are absolutely bloody clueless. Even AnandTech; Anand and Brian himself are no experts on the matter: they are journalists with both of them having some area of expertise. I'm actually the one sharing information with Brian every-now-and-then. And they can be wrong, as demonstrated by Anand reporting and insisting the frequencies switched around on the Octa, just because that's how he was told. Learn to differentiate between first-hand experience and factual reporting (Also known as "development") as opposed to plain journalism.

Now please do yourself a favor and stop embarrassing yourself by disappearing and not replying back here again. Thank you.

The 1.8GHz limit is something which I guess is coming from the per-core count limits which I explained once, meaning 1.8GHz is supposed to be hit only on a single A15 core with 100MHz decrements per additional core until 1.6GHz.

As I've said, the only way to verify this is to check the sysfs entry as I stated in the OP. The report about "hardware limitation" came from a Linaro big.LITTLE developer who is on the IKS development team, his code is running on this phone. He didn't disclose any concrete information but that's what he answered me on the cluster vs core migration topic on the Octa.
[Galaxy S 4 General] demlasjr:
Yes, I think that 1 or 2 A15 cores works at 1.8 GHz and all 4 together at 1.6 GHz or something like that. But there is no official 1.8Ghz vs 1.6 GHz in Korean versions.
[Galaxy S 4 General] karlesg:
And what does this mean exactly? Is this a generic exynos 5410 "hardware limitation"? So exynos 5410 isn't IKS capable?

So what are they going to do? In the future they will release another exynos octa version which is IKS capable? And in the future they will release another one which is HMP capable? I know, this doesn't make sense, but if this "hardware limitation" is true I don't know what to expect...

I've read almost every single one white paper about big.LITTLE and I don't remember reading a reference about such a "hardware limitation". As far as I can remember it isn't even implied somewhere. Maybe I missed it, but can someone point us at an official source about this issue? Maybe they cleverly skipped to refer to this, but can someone give us an official confirmation? Maybe contact Samsung exynos? Since you have expertise about this issue, maybe if you ask them the right questions they will give you the right answers...

This is quite serious. If there is an actual hardware limitation in Exynos 5410 we should know about it. The I9500 probably won't be the only device with exynos 5410. In the future others will come with the same processor, maybe note III and probably others too. If there is an actual hardware limitation on these devices, we should know about it... Samsung must inform us officialy about this matter and what to expect, before spending such big amounts of money purchasing their devices.

I hope you dig into this further more and inform us about this matter. And thanks again for all your efforts and information you have shared so far.
[Galaxy S 4 General] resore:
if its actual hardware limit prepare for lots of news about latest failynos chipset ;)

its kinda hard to believe, hell of a disapointment
[Galaxy S 4 General] bala_gamer:
what news??? do you think an average user is going to care about it? they simply use/enjoy the device lol. Its us the people here in xda and tech geeks who will get disappointed if the cores cannot be configured like we want.
[Galaxy S 4 General] vdhawwan:
A bit off topic but:

Would it be possible by a kernel to overclock the A7s a bit, currently they operate at 1200 mhz. If they could be overclocked to 1400 mhz, wouldnt it make the complete processor more battery efficient?

I mean that the A7s will be able to handle more than they are now and save more power. Other more heavier tasks could be handled by the less power efficient but high performing A15s.

So now as I have understood till now, either all A7s run at a time or all A15s. The above procedure would make the entire big.LITTLE structure even more efficient.

Just a thought. I do not know if this even possible as I dont know the technical details.

Apologies if this has been discussed before.
[Galaxy S 4 General] dr_m_shaltout:
Totally Agree with you

For this reason, I always wanted to be an average user not a geek ;)

between the screen smearing and the processor issue at hand here, I'm really questioning spending my money on s4 as the main attractions are the screen and the octa core and the quad is out of question as I don't care for custom roms really so till now it is a no at least till those 2 problems get sorted out

[MENTION=3877923]bala_gamer[/MENTION] Plz tell me about your experience with the phone "performance, screen specially on pdf reading and browsing with chrome, Audio quality" if the screen performs well with pdf reading I'm buying compared to S3 My Current device :good:
[Galaxy S 4 General] adyscorpius:
I was wondering when you would get it. And finally we have you on I9500.. Waiting for you to spin off a couple of Perseus S4 kernels.. :D
[Galaxy S 4 General] vdhawwan:
the screen smearing issue will be resolved in the next software update. question now is about the "Octa".. If it actually is a hardware difficulty then... but if that can be resolved with kernel update then XDA-Devs will do it before Samsung thinks of it...!!!;)
[Galaxy S 4 General] bala_gamer:
the reply is totally unrelated to this thread but yet....

smearing is almost solvable (via screen adjuster) until samsung fix the bug. well my newly replaced device is now having red pixels issue instead og smearing. frankly i havent opened any pdfs to read. But i can say this, as long as you read the pdf with 25 + brighness its going to be good. yo wont note any issues.
[Galaxy S 4 General] sorg:
By adding tint to screen (as per your solution) you just destroy main advantage of AMOLED screen. Instead of complete black color, screen will have some colorful background (may be not so visible, but still have).

Don't hope too much in proper fix of this "bug". It may come from display hardware limitation. Originally, pixels comes from off state to dark gray and back - it takes some time and produces smearing effect. You've added tint to the screen in screen adjuster (remember, such application cannot control colors on hardware level, but just pretending by adding some tint and thus eliminate black color as such). What you did is added some color to the black. So even in black color, pixels are lit (very dark but lit), so they transit from very dark color to gray which changes logic of display hardware and smearing greatly reduces or even disappear.

Actually, smearing is almost invisible. I don't see a big difference with my SGS3.

---------- Post added at 11:30 PM ---------- Previous post was at 11:22 PM ----------

in source code, frequency table for A7 is up to 1300Mhz.

I think, it should be possible to overclock to 1400Mhz. Although, no body tested power consumption yet.
[Galaxy S 4 General] bala_gamer:
If you compare the black levels of s3 or s2 they were dark enough but the pixels never went off completely. But thats not the case with s4 , s4 turns off the pixel completely which causes smearing.

Have you heard any black spot issues with s4 so far? I dont think so because the pixels are completely turned off which is not the case of s3 or s4
[Galaxy S 4 General] BoneXDA:
Could you I9500 owners figure the camera sensor out based on your deep look into the SW (or HW)? It appears at this moment that the I9500 has the IMX135/Sony Exmor RS (Chipworks teardown), while the I9505 the IMX091PQ/Sony Exmor R (Anandtech based on SW info).

Also, can you I9500 users share some full-size photos so we can take a deep look them? Even at this unfinished state, the Octa-core photos in reviews seem superior to Snapdragon brothers. Here's the topic where you could kindly share some of yours:

http://xdaforums.com/forumdisplay.php?f=2163&page=2
[Galaxy S 4 General] Entropy512:
Why doesn't this surprise you? Remember, Exynos4 disables all but the most basic cpuidle state if more than a single core is online.

Samsung's multicore power management has been **** since the 4210, and it's not remotely surprising that it's still total **** in the 5410...

Seriously, they've got an entire paper somewhere stating why asynchronous clocking is no big deal, and cpuidle negates the benefits of asynchronous clocking - while their damn CPU disables all meaningful cpuidle states if more than one core is online!
[Galaxy S 4 General] rakeshishere:
This is on sammobile

http://www.sammobile.com/2013/05/02/samsungs-octa-core-not-as-energy-efficient-as-we-thought

Waiting for few other websites to pick this up & then Samsung gives an explanation or press statement.

I wanted to buy i9500 Exynos variant mainly for 2 reasons - Big. Little architecture & Wolfson but I'm suspecting samsung just rushed it and they'll have a proper working implementation on Note 3
[Galaxy S 4 General] bala_gamer:
will check on that

edit:

the link is wrong
[Galaxy S 4 General] BoneXDA:
http://xdaforums.com/showthread.php?t=2213853
[Galaxy S 4 General] krabman:
Interesting stuff. My screen is flawless as near as I can tell. I do have lag in the (tw) launcher though which is really annoying me since my S3 had none whatsoever but I had been on Mikes ROM for quite a while and it was a pretty stellar mostly stock rom. Also cant make a call on the battery life yet as I'm only on my 3rd charge but it appears that it is either about the same or not quite as good as my S3. Again early usage involves a lot of screwing around setting it up so I'm not sure just yet but I am certainly not seeing the big improvement being touted over the S3. Haven't take any photos yet.
[Galaxy S 4 General] yahyoh:
Andrei my friend told me all the 4 cores running all the time together , there is no hotplugging ??? :cyclops::cyclops:
[Galaxy S 4 General] btemtd:
Wow if yout saying that yout battery is just as good as your s3 maybr worse. Thats absolute ridiculous.

Thank god I went with the i9505 the battery is excellent and much better than the s3 and its extremely fast
[Galaxy S 4 General] AndreiLux:
Yes. Except on screen off.
[Galaxy S 4 General] bala_gamer:
is it possible to enable hotplugging on your upcoming kernel?

had a look on kernel source and it says the a15 cores can go upto 2000mhz is it true or am i looking something wrong? the thermal throttle for cpu is also mentioned around 90c, any room there for oc?

static struct cpufreq_frequency_table exynos5410_freq_table_CA7[] = {
{L0, 1300 * 1000},
{L1, 1200 * 1000},
{L2, 1100 * 1000},
{L3, 1000 * 1000},
{L4, 900 * 1000},
{L5, 800 * 1000},
{L6, 700 * 1000},
{L7, 600 * 1000},
{L8, 500 * 1000},
{L9, 400 * 1000},
{L10, 300 * 1000},
{L11, 200 * 1000},
{0, CPUFREQ_TABLE_END},
};

static struct cpufreq_frequency_table exynos5410_freq_table_CA15[] = {
{L0, 2000 * 1000},
{L1, 1900 * 1000},
{L2, 1800 * 1000},
{L3, 1700 * 1000},
{L4, 1600 * 1000},
{L5, 1500 * 1000},
{L6, 1400 * 1000},
{L7, 1300 * 1000},
{L8, 1200 * 1000},
{L9, 1100 * 1000},
{L10, 1000 * 1000},
{L11, 900 * 1000},
{L12, 800 * 1000},
{L13, 700 * 1000},
{L14, 600 * 1000},
{L15, 500 * 1000},
{L16, 400 * 1000},
{L17, 300 * 1000},
{L18, 200 * 1000},
{0, CPUFREQ_TABLE_END},
};

and the below values are there in thermal config file

static struct exynos_tmu_platform_data const exynos5_default_tmu_data = {
.trigger_levels[0] = 70,
.trigger_levels[1] = 75,
.trigger_levels[2] = 110,
.trigger_level0_en = 1,
.trigger_level1_en = 1,
.trigger_level2_en = 1,
.trigger_level3_en = 0,
.gain = 8,
.reference_voltage = 16,
.noise_cancel_mode = 4,
.cal_type = TYPE_ONE_POINT_TRIMMING,
.efuse_value = 55,
.freq_tab[0] = {
.freq_clip_max = 1600 * 1000,
.temp_level = 70,
},
.freq_tab[1] = {
.freq_clip_max = 1400 * 1000,
.temp_level = 75,
},
.freq_tab[2] = {
.freq_clip_max = 1200 * 1000,
.temp_level = 80,
},
.freq_tab[3] = {
.freq_clip_max = 800 * 1000,
.temp_level = 85,
},
.freq_tab[4] = {
.freq_clip_max = 400 * 1000,
.temp_level = 100,
},
.size[THERMAL_TRIP_ACTIVE] = 1,
.size[THERMAL_TRIP_PASSIVE] = 3,
.size[THERMAL_TRIP_HOT] = 1,
.freq_tab_count = 5,
.type = SOC_ARCH_EXYNOS5,
};
[Galaxy S 4 General] akuma2012:
Glad im sticking with my note II
[Galaxy S 4 General] Jeshter2000:
http://m.androidauthority.com/samsung-to-boost-performance-of-galaxy-s4-202912/

AndreiLux what is true about this?? Would it be possible to port those settings from Note 3 when they release it. Id I read this right it maybe Note3 only??

Sent from my Octaaaa! Gt-I9500
[Galaxy S 4 General] AndreiLux:
Hotplugging is dead and I'm not going to revive it. It has no purpose on this SoC.

No. It's possible but he's just making things up in regards to the update. He even emailed me asking some questions a few days ago.
[Galaxy S 4 General] yahyoh:
Andrei do u think they will ever enable MP ( multiprocessing ) which i think better option than Core migration :confused:

Does MP need Core migration to work ?
[Galaxy S 4 General] rakeshishere:
Most likely in Note 3 :( as it'll be Exynos only with complete implementation of Big. LITTLE Architecture.

Heating issues of Exynos Octa SOC & various other drawbacks such as this makes me feel like they rushed it on purpose. N3 is gonna be a beast once it comes out in August
[Galaxy S 4 General] bala_gamer:
I still believe once linaro completes the code we may get something out of it
[Galaxy S 4 General] jerrychf:
Well than, thanks for AndreiLux

Last time i use a pure samsung product is the WM omnia 2, galaxy nexus not really a samsung product, that was a good time.

But in this 3 years, samsung's marketing always brainwashing to consumers, it just made other brand cannot grow and not giving any chance for other design, just plastic right?

In my observe Samsung now just only a evil company that pushing more and more electrics and plactic rusbbish to market btw
[Galaxy S 4 General] jeffnz:
thanks for you contribution, based on all your experience we will rate it accordingly
[Galaxy S 4 General] saintsinner25:
Please excuse my naive perspective..but as it seems to be the s4's gonna have a pretty crappy year ahead in the dev scene.im pretty disappointed with this.first the unrootable kernels on the exynos variant..now this.what the hell? Im getting an htc one this year.ive had it with samsung.

Sent From an ECHO thingy
[Galaxy S 4 General] kaimendindan:
Whatever the case, I gather that they can't just let it be in the current state.
[Galaxy S 4 General] Szadzik:
N3 may be the best, but with its size, it its audience will be completely different and we cannot assume Samsung wants to make people upgrade again.
[Galaxy S 4 General] robertobsc:
Hi AndreiLux, Thx very much for sharing this info. Hope the Linaro developer is wrong... or there's some workaround for IKS issue.

And what about the heating problems? Are you having any? There are a lot of rumor about that need to stop! (or prove to be truth...)

Enviado de meu GT-I9100 usando o Tapatalk 2
[Galaxy S 4 General] Hendrickson:
I have the i9500 Exynos model no over heating issues. Its just stupid rumors made up by people that don't own it.
[Galaxy S 4 General] qazibasit:
Noone can manage the two cores until samsung releases the sources and then maybe the device can perform really well. Samsung is known in releasing the futuristic devices and their efficiency is revealed later not at the time of purchase. Like the international variant of s2. Initially people have nothing to throw at the dual core but latter the market got full of apps.

I have heard a rumor from samsung pakistan that they are making a little on board mod for the over heating prob. I dont know if they will recall the already sold i9500. Lets see how true this is. Still on hold from purchasing. If the reviews didnt get better i will wait for note 3. By then polished octa core soc.

---------- Post added at 11:55 AM ---------- Previous post was at 11:53 AM ----------

Maybe ur right. This time its not just samsung doing the negative campaign. Other player are also in the pool now ;). Trust what u experience. If ur reviews are good then say that openly.
[Galaxy S 4 General] skivnit:
No overheating here on the octa and I said it on every thread that's discussing the issue. Antutu stress test for 40 minutes the peak was 35c.

Swyped from another galaxy
[Galaxy S 4 General] bala_gamer:
Most people fall for the real feel of the temp. The battery is always below 40, but the warm feel on screen is much higher, but still it's normal for octa
[Galaxy S 4 General] vid200:
So after all is Octa worth buying or better of with Snapdragon? What do you guys think?

Future updates, performance wise, I am eager to buy, but can't decide...
[Galaxy S 4 General] Akhil:
Absolutely right!!
[Galaxy S 4 General] samir_a:
I was just going though the argument on how the cores should perform I am not an expert so would not argue on that.

The phone works great for me and thats just fine I would like to point out one thing I have a micromax HD which I bought for my dad it has a quadcore A7 mediatek processor and around 2000 MHA battery, the battery does not last for more then a day he plays games all day long so he charges twice a day, my point the reason we have two quad cores is because with only the A15 the battery drain would be much higher again this is my opinion as a layman also I think this is a new processor so with future developement things should improve I think Samsung will optimized things over timw

Some pointed out that things would be better on Note 3, why do you think that yes because note 3 will come 6 months down the line the developements will be passed on to it that does not mean S4 would not have the same optimization the reason I am saying this is because S4 is the flagship device for Samsung and iNote 3 is not in terms of sales I do not have the figure but its around 1 note 2 to 5 S3

So please be rest assured in time things will be developed and S4 is a beast which is years ahead in terms of performance.
[Galaxy S 4 General] E.Cadro:
Thread Cleaned lets stay on topic. ;)
[Galaxy S 4 General] yonoshiro:
Deleted
[Galaxy S 4 General] i9100g user:
Reading problems?

Stay on topic please.
[Galaxy S 4 General] yonoshiro:
I agree.. The GS 4 doesn't overheat.... however i live in a pretty hot tropical country.. so my range of temperature is around 32 degrees celcius (room temperature) when idling, 35-36 degrees celcius with normal use..and I have peaked at around 40 degrees celcius with gaming..However, my GS3 and motorola milestone before that was the exact same way...I think the reason people believe the phone is overheating is because the phone screen gets pretty warm during phone calls.. However i have noticed that whilst with the GS3 the back would get warm while the screen was cool during a call, the GS4 is the opposite. Where the GS4 is concerned, the screen gets warm and the back remains cool.. so I think it has to do with the positioning of the radio chip or cpu, etc and not necessarily an overheating issue.

Please not this is pretty much my uninformed opinion based on my observations and is subject to correction.

---------- Post added at 11:38 PM ---------- Previous post was at 11:25 PM ----------

My apologies...I didnt see that post.. You are absolutely correct, I will be more careful in the future.

Concerning the topic at hand,
[Galaxy S 4 General] BoneXDA:
So... any finding in the SW regarding the camera sensor type?
[Galaxy S 4 General] CLARiiON:
+1

Needs someone to confirm this.
[Galaxy S 4 General] jim261jim261:
Great, your post was shared here with thousand of people's viewing

http://gphonefans.net/thread-162270-1-1.html
[Galaxy S 4 General] mightyillidan:
lol i knew it from the begining i said the sd version would be more developer friendly and now the octa is poping out issues stupid sam . cannot admit they ainot ready yet
[Galaxy S 4 General] Halim2k:
Hi,

Is the hardware limitation confirmed, or a new kernel may enable the core migration in the future?