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Projects of the Month for March 2015 - Page 9

post #81 of 94
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I fired up ATLAS on my HTPC.  Interesting project to run.  I haven't had a chance to mess around with the settings, but I am running 2 tasks on an AMD-7700K.  Current run-time is 26.5 hours with about 3 hours until completion. 

Does anyone know if it would be more efficient to limit ATLAS to running one task at a time?  Looking at some other rigs, my task run-times seem to be way too long.  Not sure what is going on. :headscrat

 

POTM Update

 

 

MilkyWay@Home

Start: 14 - Goal: 13 - Currently: 13  | Goal Achieved. :wheee:

 

yoyo@home

Start: 31 - Goal: 30 - Currently: 29   | We picked up another spot, and we are only about 1 day from moving up to 28th. :thumb:

 

ATLAS@Home

Start: 12  - Goal: 11 - Currently:13  | We are still holding on to 13th.

 

Einstein@Home

Start: 41 - Goal: 40 - Currently: 40   | We are holding steady at 40th, and with a strong finish we should be able to put some distance between ourselves and 41st place. :D 

 

Three out of four goals achieved.  Congrats, and great job to everyone that has contributed. :cheers: :cheers: 

post #82 of 94
Quote:
Originally Posted by tictoc View Post

I fired up ATLAS on my HTPC.  Interesting project to run.  I haven't had a chance to mess around with the settings, but I am running 2 tasks on an AMD-7700K.  Current run-time is 26.5 hours with about 3 hours until completion. 
Does anyone know if it would be more efficient to limit ATLAS to running one task at a time?  Looking at some other rigs, my task run-times seem to be way too long.  Not sure what is going on. headscratch.gif
 

According to the Atlas website, I have completed 40 of these with run times between 8500 - 11200 seconds, this on my 8320 at 4Ghz. Kaveri at 3.4 - 3.8Ghz can't be that much slower, other than no L3 it's a pretty similar core isn't it?. You must be resource starved to have those run times or got a couple bad work units maybe. Are you paging, or is anything else hitting the hard drive or using CPU?
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post #83 of 94
I've had Atlas units run in infinite loops before. I'd restart the computer and it would come out as an invalid. Atlas had lots of these problems at the beginning of the project and I think it lost a lot of crunchers that normally support CERN. So if the work unit is running suspiciously long(double-triple your normal benchmark), I usually just abort it and hope better one. blushsmiley.gif
post #84 of 94
Quote:
Originally Posted by bfromcolo View Post

According to the Atlas website, I have completed 40 of these with run times between 8500 - 11200 seconds, this on my 8320 at 4Ghz. Kaveri at 3.4 - 3.8Ghz can't be that much slower, other than no L3 it's a pretty similar core isn't it?. You must be resource starved to have those run times or got a couple bad work units maybe. Are you paging, or is anything else hitting the hard drive or using CPU?

Unless you customize you settings, BOINC is allowed to use your RAM as well as your pagefile. Before I limited ATLAS to 1 task at a time, it would use up all of my RAM and start eating the page file. If I understand how pagefiles work, the ATLAS tasks would be constantly paging in and out, causing hard drive thrashing and much higher runtime.
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post #85 of 94
Quote:
Originally Posted by SuperSluether View Post

Unless you customize you settings, BOINC is allowed to use your RAM as well as your pagefile. Before I limited ATLAS to 1 task at a time, it would use up all of my RAM and start eating the page file. If I understand how pagefiles work, the ATLAS tasks would be constantly paging in and out, causing hard drive thrashing and much higher runtime.

My system is using ~5.6G of RAM running 2 of these, out of 8 and I am not seeing much if any hard paging. But it does beat the snot out of my hard drive at times. My OS and page file are on a SSD, and BOINC is on a WD 1T WD10EZEX drive. I haven't done any customizing of settings, but I am also also not using the system for anything else beyond browser stuff which is also on the SSD.
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post #86 of 94
Thread Starter 
Quote:
Originally Posted by bfromcolo View Post


According to the Atlas website, I have completed 40 of these with run times between 8500 - 11200 seconds, this on my 8320 at 4Ghz. Kaveri at 3.4 - 3.8Ghz can't be that much slower, other than no L3 it's a pretty similar core isn't it?. You must be resource starved to have those run times or got a couple bad work units maybe. Are you paging, or is anything else hitting the hard drive or using CPU?

 

8GB of RAM in the HTPC, and I am definitely not having any paging issues.  I agree that the 7700k should be very similar in performance to the FX CPUs.

Quote:
Originally Posted by emoga View Post

I've had Atlas units run in infinite loops before. I'd restart the computer and it would come out as an invalid. Atlas had lots of these problems at the beginning of the project and I think it lost a lot of crunchers that normally support CERN. So if the work unit is running suspiciously long(double-triple your normal benchmark), I usually just abort it and hope better one. blushsmiley.gif

 

I aborted the stalled tasks, changed settings to only allow 1 tasks at a time, and now it looks like it is running correctly.  :D

post #87 of 94
I found an explanation as to why the EVO units go over 100%:

Warning: Spoiler! (Click to show)
The name of a work unit contains following parts (e.g. evo_1196518209-696_439KB_6.94)
evo_ name of the application
1196518209 unix timestamp of creation
439KB_ estimated needed memory
6.94 estimated runtime on a 500MHz Pentium

Feature of the application

Checkpoints: not available, but with "keep in memory" also suspend is possible
Progress indicator: based on a rough runtime estimation the progress is shown. Since it is only an estimation, the work unit may already finish at 40% or at 150%.
Credits: are based on calculated GigaIndividuals
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post #88 of 94
I've got 6 Atlas tasks in ready to report status and no new ones to process, I assume something is not working right this evening?

Edit - looks like it is working again.
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HD 7850 4 x 4G DDR4 128G Corsair SSD WD 1G  
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HD 7850 4 x 4G DDR4 128G Corsair SSD WD 1G  
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post #89 of 94
Thread Starter 

POTM Final Totals

 

 

MilkyWay@Home

Start: 14 - Goal: 13 - Finish: 13  | Goal Achieved. :wheee:

 

yoyo@home

Start: 31 - Goal: 30 - Finish: 28   | Goal Achieved. :wheee:

 

ATLAS@Home

Start: 12  - Goal: 11 - Finish:14  | We made a good run at holding on to our spot in the rankings. Thanks to everyone that ran (or tried to run) ATLAS. :thumb:

 

Einstein@Home

Start: 41 - Goal: 40 - Finish: 40   |  Goal Achieved. :wheee:

 

 

Good job team. :cheers: Thanks to everyone that crunched the POTM this month.  :D

 

I will get the POTM thread for April up tonight. :thumb:  

post #90 of 94
Geez..we went backwards on Atlas. Atlas points were all over the place for me...some days I'd have 0, other days, 1400+, and sometimes just 300-400. Lot of effort for a handful of points each time and a lot of errors or invalid results. Didn't help that one rig is down because of a possibly bad boot SSD. It shows up when it wants to. sozo.gif

Also, when I was investigating I noticed that the VMs said they were linux. Wonder why they couldn't run natively in Linux unless they got some other software installed. Makes sense then. Don't mind me. Got nothing better to do but wait for my leg to heal up. I'll see what the doc says in a few weeks, but I just got my disability papers from them and they put not until July I'd go back to work! I'll be bored out my skull by then. Can't even work on my rigs because I can't lift anything, which is why I can't go back to work either.

Happy to report at least my Valid WUs out number my Error WUs.
Edited by spdaimon - 3/31/15 at 9:15am
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