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Message 18754 - Posted: 3 Mar 2014, 21:25:45 UTC

Solo Collatz applications are now available for Android. The Android application supports ARM, x86, and MIPS (Little Endian) processors. Assuming Murphy's Law will prevail as usual even though the apps work on my hardware, please let me know of any issues.

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Message 18755 - Posted: 3 Mar 2014, 22:24:50 UTC - in response to Message 18754.

Solo Collatz applications are now available for Android. The Android application supports ARM, x86, and MIPS (Little Endian) processors. Assuming Murphy's Law will prevail as usual even though the apps work on my hardware, please let me know of any issues.


Do I just download Boinc for my droid and connect to Collatz and it will work just like that? Hopefully anyway?

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Message 18756 - Posted: 3 Mar 2014, 23:33:56 UTC - in response to Message 18755.
Last modified: 3 Mar 2014, 23:34:42 UTC

Yep. Go to the Google Play Store, search for BOINC. Install it. Then connect. I don't know how long it takes (or whether it requires a new release) for Collatz to show up as a "supported project" in BOINC for Android, so you may have to enter the URL: http://boinc.thesonntags.com/collatz/ rather than just select it from the list.

Since it uses an ARM processor, it can't use the x86 intrinsics. That means it runs about half the speed of the 32-bit x86 app or 25% of the speed of the x86_64 app. That works out to 1 WU per ARM core per day on my Galaxy 4 -- and only while it is charging. So, it won't break any RAC records.

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Message 18758 - Posted: 4 Mar 2014, 2:32:54 UTC

or go to google play store and download nativeboinc which supports BAM!
Oh and if you use enough of them it's surprising how much RAC you can generate :)

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Message 18759 - Posted: 4 Mar 2014, 3:34:34 UTC - in response to Message 18754.

I've been running BOINC Android projects for a while now - I just went to Add Collatz and its not yet available to add as an available project...I will keep watching for it to be available and will add as soon as it comes available though.

Maybe you have to do something to make it become available through the project itself??? Quite a few projects have become available now.

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Message 18760 - Posted: 4 Mar 2014, 3:53:31 UTC

I added my old HTC One V, it is taking a break from SETI Beta until a new app needs testing.
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Message 18761 - Posted: 4 Mar 2014, 5:31:23 UTC

Goooooooooood!
Testing on my old HTC One V (Qualcomm snapdragon x 1) ...
and on a new HTC Desire 500 (Cortex x 4) which I am testing right now. Seems rock solid - unlike that old 1-core Cortex in my old tablet that crashed app using 64-bit FLOP too often. :)
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Message 18762 - Posted: 4 Mar 2014, 6:19:29 UTC

No Luck.
All WUs are probably taken.
There is NOTHING left... For my two phones to test :(
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Message 18763 - Posted: 4 Mar 2014, 7:16:02 UTC - in response to Message 18762.

No Luck.
All WUs are probably taken.
There is NOTHING left... For my two phones to test :(


Make certain that the phones are on a venue that allows CPU work.
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Message 18764 - Posted: 4 Mar 2014, 11:47:05 UTC - in response to Message 18759.

I've been running BOINC Android projects for a while now - I just went to Add Collatz and its not yet available to add as an available project...I will keep watching for it to be available and will add as soon as it comes available though.

Maybe you have to do something to make it become available through the project itself??? Quite a few projects have become available now.


Do you mean it's not on the list of projects? If so then read the reply Slicker gave to me, you might have to add it manually.

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Message 18765 - Posted: 4 Mar 2014, 14:17:44 UTC

There is an RPC that BOINC uses to get the types of coprocessors from each project. At one time, it wasn't working right with Collatz because I chose to use consistent naming for my plan classes and BOINC was expecting inconsisten nameing (some by vendor, others by the SDK name). Anyway, I had to make a change to the BOINC server code to get it to work for Collatz. Unfortunately, I can't remember where that was in order to check and see if that's why the android icon doesn't show up on the project list when view via BOINC for Android, AdroBOINC or whatever.

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Message 18766 - Posted: 5 Mar 2014, 2:06:31 UTC - in response to Message 18764.

Thats what I did - I went and added it manually and it went in just fine.

I've found that the easiest way to make sure I get the correct address to add any project to my android for BOINC is to go to the project page of the BOINC manager on my main computer, find the project I want to add, click on the properties for that project and the actual address for that project is always in that space so its easy to get it there to put into my android's files when adding the new project to the list of android projects I'm going to run.

makes it a quick and pain free way to find a URL!

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Message 18767 - Posted: 5 Mar 2014, 12:16:27 UTC - in response to Message 18766.

Thats what I did - I went and added it manually and it went in just fine.

I've found that the easiest way to make sure I get the correct address to add any project to my android for BOINC is to go to the project page of the BOINC manager on my main computer, find the project I want to add, click on the properties for that project and the actual address for that project is always in that space so its easy to get it there to put into my android's files when adding the new project to the list of android projects I'm going to run.

makes it a quick and pain free way to find a URL!


That sounds good to me too!

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Message 18768 - Posted: 5 Mar 2014, 13:43:49 UTC

My GS3 has been running a task for 14 hours now, and is only 4% complete. If linear, that works out to 350 hours, or 14.6 days. The deadline is only 8 days, so it will be late.

Are the short or long solo tasks being issued to this app/android devices?
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Message 18769 - Posted: 5 Mar 2014, 14:58:45 UTC - in response to Message 18768.

My GS3 has been running a task for 14 hours now, and is only 4% complete. If linear, that works out to 350 hours, or 14.6 days. The deadline is only 8 days, so it will be late.

Are the short or long solo tasks being issued to this app/android devices?


You can see the size of the WU in the name. The first number is the starting number for the WU. The second is the how many numbers to check. The third is the number times it was sent to clients.

So, solo_collatz_2370352073947768138095_103079215104_0 will start at 2370352073947768138095 and complete 103079215104 numbers. That, by the way is the smallest size. (The large ones are 8 times that size.)

The percent complete is linear so it looks like your calculations are correct. It makes you appreciate the level of optimization done on the x86 and GPU apps doesn't it? A WU on the Android x86 VM took almost 36 hours compared to 4 hours under 64-bit Windows. It looks like I need to add a couple more smaller sizes to the WUs in order for the Android devices to complete on time.

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Message 18770 - Posted: 5 Mar 2014, 15:44:04 UTC

Thanks for the info. Yes, my task is the smallest one (for now). I will abort it, and wait for even smaller tasks to be available.
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Message 18771 - Posted: 5 Mar 2014, 16:47:24 UTC - in response to Message 18769.

My GS3 has been running a task for 14 hours now, and is only 4% complete. If linear, that works out to 350 hours, or 14.6 days. The deadline is only 8 days, so it will be late.

Are the short or long solo tasks being issued to this app/android devices?


You can see the size of the WU in the name. The first number is the starting number for the WU. The second is the how many numbers to check. The third is the number times it was sent to clients.

So, solo_collatz_2370352073947768138095_103079215104_0 will start at 2370352073947768138095 and complete 103079215104 numbers. That, by the way is the smallest size. (The large ones are 8 times that size.)

The percent complete is linear so it looks like your calculations are correct. It makes you appreciate the level of optimization done on the x86 and GPU apps doesn't it? A WU on the Android x86 VM took almost 36 hours compared to 4 hours under 64-bit Windows. It looks like I need to add a couple more smaller sizes to the WUs in order for the Android devices to complete on time.


Looks like I should be okay, I am at 26.871% after 36:46:19, so I should finish at around 144 hours.
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Message 18772 - Posted: 5 Mar 2014, 18:31:09 UTC

I added 4 additional WU sizes each 50% less than the previous. So, while the smallest WU before had 103079215104 numbers, there are now WUs that are 51539607552, 25769803776, 12884901888, and even 6442450944 numbers in length. So, the smallest ones are 128 times smaller than the largest WUs.

I'm also working on an app for Raspberry Pi hosts and they'll need the smaller WUs as well.

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Message 18778 - Posted: 6 Mar 2014, 16:10:58 UTC

I've installed Android BOINC and linked to the server, however I never receive any Collatz events. Is there something I'm missing?

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Message 18781 - Posted: 6 Mar 2014, 22:07:59 UTC - in response to Message 18763.

Thanx!

I never used Collatz for getting CPU work... So I NEVER have given it a thought.
Now I created new location: school , which uses ONLY CPU work. :)
I will let ya ppl know how it runs and how long it takes on 1.0 GHz Snapdragon and on 4 x 1.2 GHz Cortex A10 or whatever the name of the CPU is ...in the new Desire 500 :)
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