Message boards : Number crunching : Faulty Computers or Modified BOINC ?? Huge Credits
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Galeon 7
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Joined: 24 Nov 05
Posts: 12
Credit: 8,333,730
RAC: 0
Message 23863 - Posted: 21 Jan 2012, 16:56:08 UTC - in response to Message 23861.  

...

Have I got this right and I lost 400K of what I thought I honestly earned?



It is a valid question that must be answered.

The credits are assigned based on the average of the claims from two valid results. Therefore, if one of the valid results claims disproportionate credit,
the granted credit for both is still too high (for example (0+1Million)/2=500K).

Based on the assignment logs I have, I substracted the unreasonable claims
even from these crunches, who where not actively involved in presenting
the unreasonable claims, but got inadvertently assigned high values due to the average calculation.

After two episodes of this game, we started to calculate the credits based on the internal characteristics of the application. This prevents all cheating
and also filters out random/faulty computer clock readings.

I hope this explains. I appreciate the work you do. Please, keep crunching.

Thank you Igor. I appreciate not only your explanation, but the simplicity of it.

So, like, can I swap those for about 100K work units to crunch? :)
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caeman

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Credit: 8,694
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Message 23865 - Posted: 25 Jan 2012, 8:42:24 UTC - in response to Message 23823.  
Last modified: 25 Jan 2012, 9:04:55 UTC

Personally I joined LHC to crunch work for physics and not for credits.
...
The project is whats important, and getting that work crunched, for the scientists to evaluate.


I completely agree. By far more important than giving fare credits is to check out, that the results are not spoofed or affected by some glitch or bug as well.

As far as the given credits have no real value, the crediting system is of secondary priority for me. Of course the problems in this item also should be corrected in order to maintain participants' trust on the system generally.
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Message boards : Number crunching : Faulty Computers or Modified BOINC ?? Huge Credits


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