[Q] G3 - Dalvik vs. ART, opinions/results? - G3 Q&A, Help & Troubleshooting

Just what it says, now that these are in the wild has anyone tried ART yet, and is it worth it or are you sticking with Dalvik?

Please search next time a thread about art has been created. Next time post this in questions http://forum.xda-developers.com/showthread.php?t=2810770
Sent from my Nexus 5 using XDA Premium 4 mobile app

I am curious how much extra storage space is taken. I have read anywhere from 20% to 30%.
To me that is not worth it if true.

rushless said:
I am curious how much extra storage space is taken. I have read anywhere from 20% to 30%.
To me that is not worth it if true.
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My remaining storage went from 7gb to 5.5gb about 23% when I changed from dalvik to art.

Sucks IMO since not seeing the advantage over losing the space. I prefer storage over a tiny technical improvement in performance. I would however notice the storage loss.

hopefully the new nexus will have an sd slot

bulldog2000 said:
hopefully the new nexus will have an sd slot
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Click to collapse
It won't. Google doesn't believe in SD cards.

First day on ART today and battery is awesome!

Will this fix ram usage?
Sent from my LG-D855 using Tapatalk

Seifer1975 said:
First day on ART today and battery is awesome!
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I agree

hi.
be careful!
it seems the use of ART is directly related to bluetooth problems
http://forum.xda-developers.com/lg-g3/help/bluetooth-audio-stutter-t2810220

rushless said:
Sucks IMO since not seeing the advantage over losing the space. I prefer storage over a tiny technical improvement in performance. I would however notice the storage loss.
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I hope you don't plan on updating to Android L then. They removed Dalvik entirely so you'll lose the storage space if you update. Android L ART is different than KitKat ART though, so maybe the performance increase will be worth it to you by then

Please use this thread to continue discussion: http://forum.xda-developers.com/lg-g3/help/switching-to-art-improves-performance-t2810770
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Related

Higher than normal data usage

Is anyone else experiencing a higher data usage than they previously had?
On my Desire HD I was on Unlimited data and I used about 450mb a month. I had pretty much all syncing enabled.
On my gnex I only have Google syncing and I appear to have used 120mb already in 4 days...
I might have to cancel my contract and buy outright on giffgaff..
Sent from my Galaxy Nexus using Tapatalk
Have you not checked what's using the data, using the new data monitor in ICS? I had Google Books download 40mb without knowing!
saquib said:
Have you not checked what's using the data, using the new data monitor in ICS? I had Google Books download 40mb without knowing!
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Click to collapse
Hah!! great point. use the data usage app OP!
martonikaj said:
Hah!! great point. use the data usage app OP!
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Click to collapse
Dont know if its just me but the data usage app is buggy. Still says 211kb for browser after 4 days so i wouldnt trust it.
Ymmm market backup? New phone everything is restoring?
Sent from my Desire HD using xda premium
Of course you get much higher usage the first weeks with a new phone. Just as you get "worse" battery time.
This is because all sane XDA enthusiasts uses a new phone much more than the old one the first weeks or so...
tjtj4444 said:
Of course you get much higher usage the first weeks with a new phone. Just as you get "worse" battery time.
This is because all sane XDA enthusiasts uses a new phone much more than the old one the first weeks or so...
Click to expand...
Click to collapse
That is true, Hmm I ll have mine in a couple of days Ill look at this but for me I have unlimited data plan so doesn't matter really
The data usage app is a bit buggy, as is the battery one.
I set my phone up on Wifi etc. In the data usage for the my Wifi it shows as 900mb..
So effectively i've used almost 1GB in total over 4-5 days. I've only used the phone on data the same as I would use any other phone so I cannot understand why its so high.
It all seems to be random background stuff that isn't open in multitasking :s Think I might return it and buy outright with GiffGaff...

[Q] Available RAM?

I haven't picked one of these up yet, so I'm curious. Could someone check the available RAM after a fresh boot and tell me what it is?
I'm interested to see how much of the 3GB Touchwiz (and associated apps) takes and how much we actually have available to us.
7when I clear the ram it's roughly 2.5GB. tthat's after it closes 23 or so active apps.
Thanks. I'm sure a lot of those apps start right back up. I'm more interested in the available ram after a fresh boot because that will be a more accurate picture of what we have to work with.
Sent from my Nexus 10 using Tapatalk 4
fresh boot 1.4GB for my set up.
madsquabbles said:
fresh boot 1.4GB for my set up.
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Thanks! Wow, that tablet uses over half the ram for the system? I was thinking maybe a gig, but that's crazy.
Sent from my iPhone using Tapatalk - now Free
I doubt it's all for the system. a lot of that bloatware is probably sucking up a bit too. as well as a few apps that I have running at staert up. 1.4GB is still quite a bit for an android tablet.
madsquabbles said:
I doubt it's all for the system. a lot of that bloatware is probably sucking up a bit too. as well as a few apps that I have running at staert up. 1.4GB is still quite a bit for an android tablet.
Click to expand...
Click to collapse
It is, I guess. My Nexus 10 sits around 500 free and it tends to refresh a lot, so I guess we still get a lot more overhead on this tablet.
Thanks again for checking.

any drawbacks to using Art?

Ok. So phone will be here shortly and plan on doing a factory reset then switching to ART first thing.
Has anyone came across any drawbacks? Any apps not working correctly?
Lorimere said:
Ok. So phone will be here shortly and plan on doing a factory reset then switching to ART first thing.
Has anyone came across any drawbacks? Any apps not working correctly?
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Click to collapse
xposed doesn't work, except of that i've faced none.
Lorimere said:
Ok. So phone will be here shortly and plan on doing a factory reset then switching to ART first thing.
Has anyone came across any drawbacks? Any apps not working correctly?
Click to expand...
Click to collapse
Some apps do not work with ART, its not a fault with ART itself, its a problem with the apps that only the app devs can correct.
Boot time will be longer with ART, but its hardly noticeable, and hopefully you don't reboot a lot anyway.
Benchmarks results will be lower on ART but it is because benchmark tests are not optimised to work with ART.
I run ART since day 1, only thing that doesn't work as far as I know is Xposed (But I'm not even rooted yet, so no issue)
Also, I haven't found any real differences on that phone between Dalvik and ART, but as I said, I didn't use it much on Dalvik.
I'm planning to root it after the first OTA (10b?) and I'll probably want to use the G3 TweakBox, so I'll be back to Dalvik until it's compatible with ART.
any differences to battery life ? I have heard that with art is worst , Is this true?
dimkit said:
any differences to battery life ? I have heard that with art is worst , Is this true?
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No, if anything it is meant to be better on battery as it is no longer compiling things on the fly like Dalvik does, it does it all at boot time instead.
dimkit said:
any differences to battery life ? I have heard that with art is worst , Is this true?
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Haven't seen any significant difference, but then again, I haven't done a lot of testing.
dimkit said:
any differences to battery life ? I have heard that with art is worst , Is this true?
Click to expand...
Click to collapse
ART should theoretically give you better battery life. In practice though, I see the same battery life on Dalvik as I do with ART from Android 4.4.x KitKat
Battery life is 100% reliant on your personal usage patterns. Someone else with a totally different usage pattern could get more or even less battery life with ART. There's way way way too many variables

How's ART

Reading reviews I always see them speaking aabout a lag compared to say HTC one m8
I was wondering if it improves on art
Sent from my Nexus 7 using XDA Free mobile app
PunishedSnake said:
Reading reviews I always see them speaking aabout a lag compared to say HTC one m8
I was wondering if it improves on art
Sent from my Nexus 7 using XDA Free mobile app
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Click to collapse
It definitely helped me. I was having some terrible keyboard lag that was mostly resolved by switching to ART
Also helped me a great deal. Most of the lag was gone with animations set to zero and switching to nova. Changing to art then made it nexus 5 smooth for me
There are reports of ART messing with Bluetooth audio though. But it's been said to help with UI performance, yes
ART pretty much eliminated the UI lag for me. It was within tolerable range before the switch, but it's pretty much gone with ART. I would certainly recommend giving it a try.
Enddo said:
There are reports of ART messing with Bluetooth audio though. But it's been said to help with UI performance, yes
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Click to collapse
I use Bluetooth audio in my car every day.
The reason I went from note 3 to m8 was due to size. How big is the g3 compared to the m8?
I miss removable batteries and hoping T-Mobile carries the 3gb ram version
Sent from my Nexus 7 using XDA Free mobile app
G3 is a little wider, same height. T-Mobile will have the 3GB version
Sent from my XT1028 using XDA Free mobile app
rogerrhoads said:
G3 is a little wider, same height. T-Mobile will have the 3GB version
Sent from my XT1028 using XDA Free mobile app
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Awesome I hope to hold one in hand
Sent from my Nexus 7 using XDA Free mobile app
PunishedSnake said:
The reason I went from note 3 to m8 was due to size. How big is the g3 compared to the m8?
I miss removable batteries and hoping T-Mobile carries the 3gb ram version
Sent from my Nexus 7 using XDA Free mobile app
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Click to collapse
I think g3 is a lot bigger. I sold my m8 because it was so tiny. note 3 is where it's at
Sent from my SM-N900V using Tapatalk
At the risk of angering a lot of people on here I wish to put forward the view that 99% of the increase in performance people believe they get on ART is just placebo at this time.
The ART build on the G3 is the ART build that came with android 4.4.2 - this is now very outdated and in no way reflects the power of ART on the Android L. There are various articles and youtube videos showing that there are virtually no differences between dalvik and ART on android 4.4.2 and indeed most top developers recommended (and still do!) that you don't use ART until android L.
In terms of real world experience, I have had my D855 since release day, I spent one week on Dalvik, then one week on ART, I was amazed by the performance increase (I tweeted about it a lot!) then I switched back to Dalvik for the last 4 days and I have had no drop in performance.
Anyone who has spent a lengthy period on ART I implore you to switch back to Dalvik for a few days, you will be surprised by how little the differences actually are.
Lennyuk said:
At the risk of angering a lot of people on here I wish to put forward the view that 99% of the increase in performance people believe they get on ART is just placebo at this time.
The ART build on the G3 is the ART build that came with android 4.4.2 - this is now very outdated and in no way reflects the power of ART on the Android L. There are various articles and youtube videos showing that there are virtually no differences between dalvik and ART on android 4.4.2 and indeed most top developers recommended (and still do!) that you don't use ART until android L.
In terms of real world experience, I have had my D855 since release day, I spent one week on Dalvik, then one week on ART, I was amazed by the performance increase (I tweeted about it a lot!) then I switched back to Dalvik for the last 4 days and I have had no drop in performance.
Anyone who has spent a lengthy period on ART I implore you to switch back to Dalvik for a few days, you will be surprised by how little the differences actually are.
Click to expand...
Click to collapse
Exactly my experience. I was happy with ART then I swiched back, still happy
Lennyuk said:
At the risk of angering a lot of people on here I wish to put forward the view that 99% of the increase in performance people believe they get on ART is just placebo at this time.
The ART build on the G3 is the ART build that came with android 4.4.2 - this is now very outdated and in no way reflects the power of ART on the Android L. There are various articles and youtube videos showing that there are virtually no differences between dalvik and ART on android 4.4.2 and indeed most top developers recommended (and still do!) that you don't use ART until android L.
In terms of real world experience, I have had my D855 since release day, I spent one week on Dalvik, then one week on ART, I was amazed by the performance increase (I tweeted about it a lot!) then I switched back to Dalvik for the last 4 days and I have had no drop in performance.
Anyone who has spent a lengthy period on ART I implore you to switch back to Dalvik for a few days, you will be surprised by how little the differences actually are.
Click to expand...
Click to collapse
I've been an advocate of ART since 4.4 KitKat. On my nexus 5, ART makes multitasking faster than when using Dalvik. I also see a little less stutter when scrolling through pages with a lot of 'post' type elements. This isn't a night and day comparison, but it is definitely noticeable on my end. You can say it's a placebo, but in my eyes, there is a micro-stutter on Dalvik when pressing the multitasking button as well as when switching to another app.
I'm not saying you're wrong and demanding that I'm right. It's just been my experience. I switch apps and multitask a lot, so it's very noticeable for me. I don't see any benchmark improvements, I don't see any increase in battery life, but I do see a difference on my Nexus 5.
I'll give the G3 a week or so on Dalvik before I make the switch though. It depend on how often I see this UI lag that everyone has been talking about. I'll be getting my G3 sometime today. Hopefully before lunch
I should note that I don't sacrifice anything when using ART. All of my apps work on ART just like they do on Dalvik. So it's not like I'm losing anything by using ART instead of Dalvik(on my N5)
Lennyuk said:
At the risk of angering a lot of people on here I wish to put forward the view that 99% of the increase in performance people believe they get on ART is just placebo at this time.
The ART build on the G3 is the ART build that came with android 4.4.2 - this is now very outdated and in no way reflects the power of ART on the Android L. There are various articles and youtube videos showing that there are virtually no differences between dalvik and ART on android 4.4.2 and indeed most top developers recommended (and still do!) that you don't use ART until android L.
In terms of real world experience, I have had my D855 since release day, I spent one week on Dalvik, then one week on ART, I was amazed by the performance increase (I tweeted about it a lot!) then I switched back to Dalvik for the last 4 days and I have had no drop in performance.
Anyone who has spent a lengthy period on ART I implore you to switch back to Dalvik for a few days, you will be surprised by how little the differences actually are.
Click to expand...
Click to collapse
I did just that because I wanted to use Xposed and it's Lag City everywhere!! The slowness is really getting on my nerves.. maybe it's time for a factory reset..
Let's hope Xposed runs on ART in the very near future...
*edit*
I found the reason for the lag, it was xPrivacy! once I got rid of it, the lag improved quite a lot. Not as good as a brand new phone but much better than previously. Interestingly enough xPrivacy didn't lag my note 3 at all..
I ran my D850 on Dalvik for the first day. It seemed a little laggy.
Switched to ART on the second day - thought I saw a small improvement, but it could have been placebo. Installed Nova and froze a bunch of the bloat.
Here's the kicker: I then installed Xposed and used the D850 for several hours before I realized that it had switched back to Dalvik. I never noticed a drop in performance. I would argue that changing the launcher, installing Xposed mods, and the G3 TweaksBox, made a much bigger impact on performance than ART.
This phone also takes a much longer time than normal to "settle" in. I was having terrible keyboard lag the first day which slowly let up over time. Now a week and a half later I don't have issues with it but I did switch to ART on day 2. I don't have any apps that aren't incompatible with ART so I won't be switching back. All I know is I lagged like a ***** the first day and a half and switching to art gave me a bit of speed over time. Now it's flawless. Would it be the same with dalvik? Maybe. I'm not willing to try. I need the phone for work and I type long emails and it was horrendous before.

Total Ram Usage?

So I'm noticing my ram is apparently being used at 100% or close to it most of the time. I'm not really seeing many problems up front with this, but what problems shoudl I expect down the road as a result of this?
Snow_fox said:
So I'm noticing my ram is apparently being used at 100% or close to it most of the time. I'm not really seeing many problems up front with this, but what problems shoudl I expect down the road as a result of this?
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That's fine. We only have 2GB and as the saying goes, unused RAM is wasted RAM. I'm usually 94-95% used over 3 hours and 24 hours.
Sent from my Nexus 5X using Tapatalk
EeZeEpEe said:
That's fine. We only have 2GB and as the saying goes, unused RAM is wasted RAM. I'm usually 94-95% used over 3 hours and 24 hours.
Sent from my Nexus 5X using Tapatalk
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True. Just want to make sure I'm not missing something important or over thinking a nonexistant problem.

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