HiVolt
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| reply to ajeb
Re: [WCG] 8 Core Xeon not crunching at full capacity
Thanks for your testing, at least now we know it's HCC that's just not efficient to run on 8-core Macs. What a waste.
Sadly from the responses in the WCG forums they don't really know how to fix it and just suggest running other projects. Oh well, my 8-Core Mac Pro has been happily crunching HPF2's.
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Dersgniw
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| reply to ajeb
You would think they would have a slew of 8 core Xeon Macs beta testing this stuff.  Thanks for following up.
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lilhurricane
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Hmm.. I'd not checked back there in a bit.
Thanks Ajeb.
Off to look now. Hoping they are going to be addressing that? |
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ajeb
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1 edit | reply to HiVolt
Posting here for those following this thread as well as on WCG forum.
I switched over to all HCC units and was able to duplicate the 85% problem on my Mac Pro. |
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HiVolt
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said by lilhurricane  :said by HiVolt :I don't have an account there. *AHEM :P  My bad, I had an idiot moment there... I just realized that by having an account for crunching on WCG, it's also for their forums.
I replied to the thread Brian, thanks!
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Dersgniw
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»www.worldcommunitygrid.org/forum···ad=21979 |
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lilhurricane
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| reply to HiVolt
said by HiVolt :I don't have an account there. *AHEM :P
»Team Discovery WCG BOINC FAQ »Signatures & How To Help Spread the Word |
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HiVolt
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If you can post it there Brian that would be great. I don't have an account there.
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Dersgniw
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1 edit | reply to HiVolt
You should post a link to this at the HCC forum - »www.worldcommunitygrid.org/forum···orum=301 - if you don't want to, I can.
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lilhurricane
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said by HiVolt :Well I'll be a JoJo's uncle! It's HCC that's screwy on this Mac. Once HPF2's loaded up they are crunching at full capacity! Neat-o (I think) 
Well..we are both projects, Martin...so w00t
»Team Discovery WCG BOINC FAQ »Help Fight Childhood Cancer, Help Conquer Cancer, HPF2 - Which is for me
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HiVolt
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Well I'll be a monkey's uncle! It's HCC that's screwy on this Mac. Once HPF2's loaded up they are crunching at full capacity!
Thanks a lot for the suggestion, Brian!!! I would never have guessed it.
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HiVolt
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| reply to Dersgniw
said by Dersgniw :You'd have to abort or suspend your WU's then get an update. I reset the project, it cleared & downloaded new ones... isnt that the same thing?
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Dersgniw
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You'd have to abort or suspend your WU's then get an update. |
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HiVolt
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said by Dersgniw :Have you tried HPF2 or any other project just to see if it's specifically the HCC project? Good idea, I tried creating a profile with HPF2 only and assigned it to the machine. I reset the project and it only downloaded HCC WU's.
Does it take some time to kick in?
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Dersgniw
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Have you tried HPF2 or any other project just to see if it's specifically the HCC project? |
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HiVolt
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said by Dersgniw :Like glennaxl suggested, all a search turns up for me is: System Prefs ->Energy Saver ->Options ->Processor Performance What happens when you set BOINC to only use 85%? What about 50%? What happens when you tell it to only use 4 cores? There is no processor performance settings on the Mac Pro in the Energy Saver preferences.
When I set only 4 cores to crunch, they operate at 96%. When I set the cores to operate at 50%, they operate at 43%.
I tried both the 5.10.45 client from WCG site as well as the latest 6.2.18 from Boinc site directly. Both behave identical.
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Dersgniw
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Like glennaxl suggested, all a search turns up for me is:
System Prefs
->Energy Saver
->Options
->Processor Performance
What happens when you set BOINC to only use 85%? What about 50%? What happens when you tell it to only use 4 cores?
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HiVolt
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1 edit | reply to HiVolt
Well, I had some free time today at work so I installed a clean copy of Leopard 10.5.4 (that came with the new Mac Pro). After installation, the first thing I did was Install Boinc...
After running the test benchmarks at 100% on all 8 cores, once all 8 work units of HCC populated the spots, it dropped down from 100% to 85%.
I'm at a loss for words. Is this beast of a machine simply not cut out for crunching? I don't get it...
Edit: I also have XP Pro installed on this machine, and I just rebooted into it and installed Boinc, and it's happily crunching on all 8 cores. WTF is wrong with the Mac version?
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HiVolt
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What i'll do when I have some free time is to install a fresh OS copy on a spare hard drive... I have a feeling it's got something to do with me just transferring the hard drive from the old Mac Pro.
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jwersan
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| reply to HiVolt
The MAC OS is based on UNIX, UNIX has an automatic process that will "nice" down any long running processes to stop them from taking over all processing, thus starving out other processes.
By "nice" I mean that the system will assign a lower priority to the process.
In UNIX all you would have to do is re-nice the process to a -1 and it would be ignored by the system.
Since I am NOT familiar with the MAC OS, I have no clue how you might change the process priority...
I hope this helps...
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