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Message 19668 - Posted: 23 Jun 2014, 20:33:45 UTC

It would be pretty hard to fix since the mobile venue has never existed.

Except it is listed on Collatz as a venue when you go into details and try and select a new venue. So, somehow it exists, but is not valid. This was the same issue I brought up before.
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Message 19670 - Posted: 23 Jun 2014, 21:41:50 UTC - in response to Message 19668.

It would be pretty hard to fix since the mobile venue has never existed.

Except it is listed on Collatz as a venue when you go into details and try and select a new venue. So, somehow it exists, but is not valid. This was the same issue I brought up before.


LOL. I guess it depends upon what you count as implemented. When I go into preferences, I get home, school, and work as options. But, when I go to choose a location for a computer, mobile shows up as well. That would be kind of pointless since there are no preferences for mobile. Thanks for pointing out the issue. Anyway, after deleting a few lines of what must have been a work in progress, it is officially not implemented.

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Message 19736 - Posted: 26 Jul 2014, 10:03:24 UTC

Looks like you made a change again as my tablet is no longer allowed to download Micro. So it's only running Mini, again. I would still love to do the Mirco.

Thank you.
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Message 19746 - Posted: 29 Jul 2014, 17:57:53 UTC

I have a question.
This is concerning a Mini Collatz Conjecture 6.06 (opencl_nvidia_gpu).
I hope it's not inappropriate to post on this thread.

Running on OSX 10.9.4 with an Nvidia CUDA driver, I usually complete the mini's (estimated at 01:45:35) in under 2 hours. I currently have one which has run for 20:54:05 with an estimated remaining time of 04:52:44 but also started out as an estimated 01:45:35. after all these hours, it is only 62.896% completed but doesn't seem to be moving that metric along very well. The elapsed time moves in real-time and the estimated remain time increments slowly rather than decrements. Am I processing an infinite loop or should I just let it run for a long time and assume I've found the exception to the conjecture? As an infinite loop, I guess I should just abort the work unit and cut my losses but it sure has displaced a lot of time for nothing.
workunit is mini_collatz_2387440370966972867699_10309215104_0
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Thanks Jon.

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Message 19747 - Posted: 29 Jul 2014, 18:40:34 UTC - in response to Message 19746.

I have a question.
...
Thanks Jon.

Have you tried to reboot? Sounds like your system has gotten the GPU in a weird state and a reboot will probably clear that.

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Message 19750 - Posted: 31 Jul 2014, 22:10:43 UTC - in response to Message 19736.
Last modified: 31 Jul 2014, 22:11:37 UTC

Looks like you made a change again as my tablet is no longer allowed to download Micro. So it's only running Mini, again. I would still love to do the Mirco.

Thank you.


Nope. No changes made. Max Micro IOPS is set to 4435 Mega iops. You laptop just reported 4449. Are you by chance running a new BOINC version that now reports a few more iops than the previous version? The whetstone/dhrystone benchmarks are somewhat of a joke because depending upon the flags used when compiling the BOINC client and how well that code is optimized, it may or may not give valid results. I think that is part of the reason why an Android phone rates almost as high as a high end Intel CPU and comes nowhere close to being as fast.

I bumped it up to 4.5 giga iops (4718592000 iops) so that should do the trick. I just hope it doesn't start sending micro WUs to PCs that don't want them.

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Message 19753 - Posted: 1 Aug 2014, 9:32:34 UTC - in response to Message 19750.

Nope. No changes made. Max Micro IOPS is set to 4435 Mega iops. You laptop just reported 4449. Are you by chance running a new BOINC version that now reports a few more iops than the previous version?

I bumped it up to 4.5 giga iops (4718592000 iops) so that should do the trick. I just hope it doesn't start sending micro WUs to PCs that don't want them.

I have not changed the version. I am still running Native BOINC. An update to the device was sent down by the manufacture. Maybe they did something to optimize operations, somehow?

I thank you for adjusting it. I agree that the way BOINC does it's benchmarking is biased. It does not take into consideration the type of processor, OS, etc.

Keep up the great work.

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Message 19856 - Posted: 13 Sep 2014, 5:37:37 UTC

I love the micro work units for my android cell and tablet, they took way too long to process the mini work units. but lately my android phone is not able to receive any work units at all but my tablet is getting micro work units just fine. any ideas?

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Message 19859 - Posted: 17 Sep 2014, 9:29:57 UTC - in response to Message 19856.

...but lately my android phone is not able to receive any work units at all but my tablet is getting micro work units just fine. any ideas?

Reboot the phone via power off/power on. This usually means some type of update happened or memory is no longer optimal (run BOINC fragments memory too far after a while). So a clean power off/power on resets these abnormalities.

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Message 19877 - Posted: 24 Sep 2014, 13:05:26 UTC - in response to Message 19856.

I love the micro work units for my android cell and tablet, they took way too long to process the mini work units. but lately my android phone is not able to receive any work units at all but my tablet is getting micro work units just fine. any ideas?


Your Android device is reporting 5534.96 million ops/sec and the max allowed for the Micro app was set at 5000. I increased the max it to 6500.0 million ops/sec so you should be able to get work now.

The reality is that the integer operations per second being reported by ARM processors are higher than older Core 2 processors even though they take much longer to complete Collatz WUs. In other words, it doesn't matter if I use flops (Whetstone) or iops (Dhrystone) results for determining processor speed, at least not when using ARM vs x86 architecture. The same goes for GPUs. It is apples and oranges. But, you should at least get work now with the changes I made.

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Message 19881 - Posted: 25 Sep 2014, 20:54:23 UTC - in response to Message 19877.

Thank you, I understand your reasoning for setting a limit so that people who don't want the micro work units don't get them if they have a fast computer. My computer was receiving the micro work units but since I didn't want them on my computer I set in the preferences to not allow them for my computer and to allow only micro for my cell and tablet. So it is really easy for people who don't want them to just go into the preferences and uncheck the micro work unit box. I don't know much about computers but it is crazy that my cell has a higher ops/sec than my i7 extreme processor. Again, thank you for doing that for me. :)

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Message 19902 - Posted: 30 Sep 2014, 4:37:12 UTC

I have another question, about how long does it take for those changes to go into affect? I'm still unable to receive any micro work units on my android cell.

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Message 19922 - Posted: 7 Oct 2014, 6:22:10 UTC - in response to Message 19902.

I have another question, about how long does it take for those changes to go into affect? I'm still unable to receive any micro work units on my android cell.


Someone else reported that the MACs are now getting all the micro work. Also, since the min IOPS was increased, many x86 PCs are now getting them as well. The problem is that if the ARM reports 5 million IOPS and an x86 processor also reports 5 million IOPS, one would expect them to both take the same time to crunch. Nope. The x86 box will be an order of magnitude or two faster. So, until a more robust benchmark is used, there's no easy solution I can think of to fix it. If anyone has any ideas, please feel free to suggest them.

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Message 19978 - Posted: 24 Oct 2014, 10:47:56 UTC

I'm still not getting any micro units on my phone. I have tried everything I can think of. I even got my phone to report way lower on the benchmark by bogging it down with other apps and still nothing. I can get the mini work units just fine still but those always time out before they get done.

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Message 20009 - Posted: 31 Oct 2014, 4:24:33 UTC - in response to Message 19978.

I'm still not getting any micro units on my phone. I have tried everything I can think of. I even got my phone to report way lower on the benchmark by bogging it down with other apps and still nothing. I can get the mini work units just fine still but those always time out before they get done.


The BOINC client used to only work for Android using the default preferences. Could it be that it was never fixed or it is broke again?

It appears that you have the "work" venue selected for the android devices with micro selected for it. Try swapping the values in the default and work venues and set your android device to the default one and see if that works. That works for me but I may be running an old BOINC version on my phone.

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Message 20044 - Posted: 11 Nov 2014, 6:31:35 UTC

My android tablet with the same version Boinc is setup the same way under the work preferences and it gets Micro just fine but I will go ahead and give it a try.

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Message 20045 - Posted: 11 Nov 2014, 6:43:05 UTC - in response to Message 20009.

Nope, that didn't seem to help it either... I'm just going to have to setup a different project on my phone

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Message 21665 - Posted: 4 Nov 2015, 2:32:09 UTC

So I bought a new phone since, as you know, I was unable to run collatz on my old phone no matter what we tried. Getting a new phone did not seem to help. My crummy old tablet is still getting micro work units and crunching away but my phone still gets the same old message "No tasks are available for micro collatz conjecture." I could more than quadruple my contributions if I could just get my phone to work.

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Message 21667 - Posted: 4 Nov 2015, 17:41:55 UTC - in response to Message 21665.

So I bought a new phone since, as you know, I was unable to run collatz on my old phone no matter what we tried. Getting a new phone did not seem to help. My crummy old tablet is still getting micro work units and crunching away but my phone still gets the same old message "No tasks are available for micro collatz conjecture." I could more than quadruple my contributions if I could just get my phone to work.


Is it possible to turn on sched_op_debug with the Android client? If so, please do. That will shed some light on which type of work is being requested and how much. I don't know if the Aarch64 processor will run the ARM app or not. If it was a PC, I'd ask you to upload the sched_request.xml to see specifically what it is requesting from the server. I have a feeling that either the platform or version information is not matching those on the Collatz site.

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Message 21911 - Posted: 8 Jan 2016, 18:23:10 UTC

Are there actually WU available for Windows? I have 3 4 core Atom machines that are within the stated benchmark range. I've been trying to get work for a couple of weeks.
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