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Sgt.Joe
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Re: Linux seems slow
I think I read somewhere that you have to tell Linux to explicitly use 100% of the processor, otherwise it throttles back because BOINC runs at a low priority. If I can find the thread, I will put the link in.

http://www.worldcommunitygrid.org/forums/wcg/viewthread?thread=23087#223133

Cheers

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Sgt.Joe
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Re: Linux seems slow
Another thought. With only 2gb of memory and 8 jobs running, you may be memory bound. Depends if they are all the same type of job too.

Try this thread

http://www.worldcommunitygrid.org/forums/wcg/viewthread?thread=24861#220407


Cheers
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[Edit 1 times, last edit by Sgt.Joe at Apr 6, 2009 1:28:43 AM]
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Re: Linux seems slow
Ubuntu runs low-priority tasks, like BOINC projects, at slow clock speed to reduce heat. You have to set the performance options to run BOINC at full clock speed. That is the meaning of ALAIN_13013's cryptic suggestion. He offers the solution without explaining the problem that he is solving.

Lawrence
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mclaver
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Re: Linux seems slow
Re: Boinc slower on Linux? Reply to this Post
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--------------------------------------------------------------------------------
I agree that 2gb is less than I want, I have another four on order and should arrive tuesday. According to Sysmon I am only using 1gb. Also sysmon shows each of the cpus at 12% so I think I am ok.

I tried cpufreq-selector -g performacne but I got an error "caller not authorized"

I may be making it worse. I am now getting a whole lot of errors. This is over a 5 hour period earlier today, but I now got two valid after this bunch of errors.

I am not ready to give up on Linux yet. It is mcuh better than giving Micrsoft a whole lot of money if I can figure out how to get this to work.

Result Name Device Name Status Sent Time Time Due /
Return Time CPU Time (hours) Claimed/ Granted BOINC Credit
X0000057250917200510111002_ 1-- MSI-I7-920 Error 4/5/09 17:52:23 4/5/09 19:10:18 0.02 0.2 / 0.0
mi651_ 00011_ 12-- MSI-I7-920 Error 4/5/09 17:41:30 4/5/09 19:10:18 0.05 0.4 / 0.0
faah6079_ ZINC00799442_ xmdEq_ Model6Xapo_ 03_ 0-- MSI-I7-920 Error 4/5/09 15:49:38 4/5/09 17:56:55 0.05 0.4 / 0.0
faah6079_ ZINC00818991_ xmdEq_ Model6Xapo_ 01_ 0-- MSI-I7-920 Error 4/5/09 15:49:38 4/5/09 19:10:18 0.09 0.8 / 0.0
mi644_ 00071_ 18-- MSI-I7-920 Error 4/5/09 15:49:38 4/5/09 17:41:29 0.97 8.0 / 0.0
mi644_ 00036_ 7-- MSI-I7-920 Error 4/5/09 15:49:38 4/5/09 17:56:55 0.02 0.2 / 0.0
HFCC_ t1_ 00193351_ TrkB_ 0001_ 0-- MSI-I7-920 Error 4/5/09 15:49:38 4/5/09 19:10:18 0.10 0.8 / 0.0
E000481_ 984B_ 00260800b_ 0-- MSI-I7-920 Error 4/5/09 15:21:11 4/5/09 17:41:29 0.33 2.7 / 0.0
faah6079_ ZINC00871213_ xmdEq_ Model6Xapo_ 06_ 0-- MSI-I7-920 Error 4/5/09 15:14:38 4/5/09 17:41:29 0.17 1.4 / 0.0
E000481_ 953B_ 00260700k_ 0-- MSI-I7-920 Error 4/5/09 15:11:33 4/5/09 17:52:23 2.31 19.1 / 0.0
E000481_ 917B_ 00260600l_ 1-- MSI-I7-920 Error 4/5/09 15:00:14 4/5/09 15:49:38 0.37 3.1 / 0.0
E000481_ 911B_ 00260600f_ 0-- MSI-I7-920 Error 4/5/09 14:57:35 4/5/09 17:56:55 0.00 0.0 / 0.0
E000481_ 910B_ 00260600e_ 0-- MSI-I7-920 Error 4/5/09 14:57:35 4/5/09 17:56:55 0.04 0.3 / 0.0
mi630_ 00047_ 17-- MSI-I7-920 Error 4/5/09 11:41:18 4/5/09 15:49:38 0.02 0.2 / 0.0
mi630_ 00041_ 13-- MSI-I7-920 Error 4/5/09 11:38:07 4/5/09 15:49:38 0.21 1.7 / 0.0
mi627_ 00085_ 7-- MSI-I7-920 Error 4/5/09 10:59:21 4/5/09 15:49:38 0.05 0.4 / 0.0
faah6074_ ZINC00812943_ xmdEq_ Model6Xapo_ 00_ 0-- MSI-I7-920 Error 4/5/09 10:01:55 4/5/09 15:21:11 0.11 0.9 / 0.0
dddt1002i0504_ 100405_ 0-- MSI-I7-920 Error 4/5/09 09:40:18 4/5/09 15:49:38 0.18 1.5 / 0.0
dddt1002i0502_ 100037_ 0-- MSI-I7-920 Error 4/5/09 08:25:27 4/5/09 15:14:38 0.24 2.0 / 0.0
faah6066_ ZINC01339162_ xmdEq_ Model6Xapo_ 06_ 0-- MSI-I7-920 Error 4/5/09 06:50:27 4/5/09 15:21:11 0.37 3.1 / 0.0
X0000057241004200509130838_ 1-- MSI-I7-920 Error 4/5/09 06:37:14 4/5/09 15:49:38 0.44 3.7 / 0.0
mi608_ 00038_ 11-- MSI-I7-920 Error 4/5/09 04:25:00 4/5/09 14:57:35 0.01 0.1 / 0.0
mi606_ 00002_ 2-- MSI-I7-920 Error 4/5/09 03:56:06 4/5/09 15:00:14 0.15 1.3 / 0.0
E000481_ 322B_ 00252g00o_ 0-- MSI-I7-920 Error 4/5/09 02:09:05 4/5/09 14:57:35 2.49 20.9 / 0.0
mi598_ 00067_ 5-- MSI-I7-920 Error 4/5/09 02:05:55 4/5/09 14:57:35 3.04 25.5 / 0.0
mi600_ 00021_ 18-- MSI-I7-920 Error 4/5/09 01:54:39 4/5/09 15:11:33 4.65 39.0 / 0.0
faah6063_ ZINC04551519_ xmdEq_ Model6Xapo_ 04_ 0-- MSI-I7-920 Error 4/5/09 01:42:31 4/5/09 14:57:35 4.38 36.7 / 0.0
E000481_ 039B_ 00252700n_ 0-- MSI-I7-920 Error 4/4/09 14:57:32 4/5/09 17:52:23 14.94 123.9 / 0.0

Result Log

<core_client_version>6.4.5</core_client_version>
<![CDATA[
<message>
process exited with code 193 (0xc1, -63)
</message>
<stderr_txt>
SIGSEGV: segmentation violation
Stack trace (18 frames):
[0x8789e9f]
[0x877cfa4]
[0xf7fee400]
[0x8667ae9]
[0x842a0f3]
[0x842aa52]
[0x842bf70]
[0x843a52d]
[0x843c503]
[0x870d711]
[0x85e95c4]
[0x85eb7c5]
[0x805cf24]
[0x8331f6b]
[0x83f3cdd]
[0x83f3f5c]
[0x87ed062]
[0x8048131]

Exiting...

</stderr_txt>
]]>


Result Log

<core_client_version>6.4.5</core_client_version>
<![CDATA[
<message>
process exited with code 193 (0xc1, -63)
</message>
<stderr_txt>
Calling initGraphics()
INFO: No state to restore. Start from the beginning.
SIGSEGV: segmentation violation
Stack trace (15 frames):
[0x86ddb93]
[0x87475a0]
[0xf7f61400]
[0x854725f]
[0x8548180]
[0x82f1afd]
[0x82b6724]
[0x81d0761]
[0x81addfb]
[0x81b3c87]
[0x81511bf]
[0x815488a]
[0x804fea0]
[0x874969a]
[0x8048131]

Exiting...

</stderr_txt>
]]>


[Apr 6, 2009 2:50:06 AM]

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JmBoullier
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Re: Linux seems slow
Mitch,
While I look for which libraries might be missing in your setup, would you please delete your same post in the "Boinc slower on Linux?" thread before somebody answers it.
Actually it is no longer a matter of slower or not, so it might have deserved a new thread. Anyway...

Thank in advance. Jean.
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mclaver
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Re: Linux seems slow
Sorry about that, I got confused as to which thread I was in. I deleted the post. The install for Ubuntu seemed to go ok when I originally did it.
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Re: Linux seems slow
sudo cpufreq-selector -g performance

This is a good way of doing it, but isn't permanent. If you want to use this method, you will have to add the command to a startup script somewhere.

A third alternative is to change your BIOS settings to permanently set it to maximum.
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mclaver
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Re: Linux seems slow
Thanks for telling me I need sudo in front of cpufreq-selector -g performance. I tried that and got "no cpufreq support". What BIOS parm are you suggesting, I am more familiar with BIOS than Linux.

Using System Monitor, which I discovverd, all 8 CPUs show at 100%. Under Processes, each of the eight WCG tasks show at 11% or 12%. No other processes show activity except the monitor occasionally at 1%.

Memory shows 960mb used 0% swap, so I do not thing this is an issue.

Only BOINC is running on this machine.
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JmBoullier
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Re: Linux seems slow
Mitch,
While I look for which libraries might be missing in your setup

I hope I have got the right info. Didactylos will hopefully correct me if I am wrong. smile
Mitch, you should check with Synaptic that you have the ia32-libs package installed. Otherwise several WCG 32-bit applications will fail in a 64-bit environment.

Cheers. Jean.
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mclaver
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Re: Linux seems slow
I have no idea what you are talking about. Sorry about my ignorance on Linux. What is Synaptic.

Thanks for everyones help and patience. Maybe I just need to pay Microsft another $100.

- Mitch
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