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World Community Grid Forums
Category: Completed Research
Forum: FightAIDS@Home
Thread: Huge difference Cliamed / Granted Boinc client |
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Thread Status: Active Total posts in this thread: 30
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
I am running the Boinc client in Windows and I am experiencing the following:
Whe I look to my results I never get the points I cliamed granted  , only a portion of it. Is this normal? My system is a stable AMD64 3000+ (non-OC'ed) on WinXP64 with 1 Gig of DDR mem. |
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knreed
Former World Community Grid Tech Joined: Nov 8, 2004 Post Count: 4504 Status: Offline Project Badges: 
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Jack,
Please read the information at this link and let us know if it answers your questions about points calculations on BOINC. In particular read the second paragraph of the questions "How are points calculated for the Linux agent?" http://www.worldcommunitygrid.org/help/viewTopic.do?shortName=linpointscalc Kevin |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Jack, Please read the information at this link and let us know if it answers your questions about points calculations on BOINC. In particular read the second paragraph of the questions "How are points calculated for the Linux agent?" http://www.worldcommunitygrid.org/help/viewTopic.do?shortName=linpointscalc Kevin Hey Kevin, I read that already. That does not answer my question. I am getting far LESS pionts than my boinc client claim, like 117 / 57 (claimed/granted). I can see that in my Results Status page. This has noting to do with getting more or less points with the UD client and the BOINC client (that's what's your link about). [Edit 1 times, last edit by Former Member at Feb 11, 2006 2:19:35 PM] |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
I may be able to assist with this one. I understand that the BOINC software benchmarks the CPU on a regular basis and this benchmark, along with the time taken to process the result, is used to calculate the points claimed by your (BOINC) agent. Some method of averaging is used, possibly ignore highest and lowest claimed points and award an average of the remaining validated results.
Seems OK so far. Unfortunately, the benchmarks are much lower if you are using Linux rather than Windows. I have no idea why. I assume that there are still more Linux BOINC users for WCG than Windows, as BOINC was utilised by WCG in order to let Linux users participate. This means that, for any result you send back, there is going to be at least one Linux user in your quorum and he/ she will be claiming less points, which means you are likely to be ignored (highest claim) or averaged. An alternative solution is that you are using the optimised clients, which give much higher benchmarks but aren't much use where a quorum of results is required for the reason outlined above. I hope this makes sense. Of course, it may be completely wrong - I am simply passing on what little info I have garnered from various other sites  |
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knreed
Former World Community Grid Tech Joined: Nov 8, 2004 Post Count: 4504 Status: Offline Project Badges:
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How are points calculated for the Linux agent? ... Second, once validation has been completed, BOINC gives the same credit for a result to every device that worked on the same work unit. BOINC calculates how much credit this should be by taking the claimed credit for each result that was determined to be valid, eliminating the low and high values and then averaging the rest. Example: If there are 4 valid results for the workunit you processed. If one claims credit of 42, one claims 47, one claims 67 and one claims 117 then number of credits granted to each will be the average of 47 and 67 (42 and 117 are discarded) which is 57. That means that each user earned 57 for that result that they returned. |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
How are points calculated for the Linux agent? ... Second, once validation has been completed, BOINC gives the same credit for a result to every device that worked on the same work unit. BOINC calculates how much credit this should be by taking the claimed credit for each result that was determined to be valid, eliminating the low and high values and then averaging the rest. Example: If there are 4 valid results for the workunit you processed. If one claims credit of 42, one claims 47, one claims 67 and one claims 117 then number of credits granted to each will be the average of 47 and 67 (42 and 117 are discarded) which is 57. That means that each user earned 57 for that result that they returned. Oke that clears things up for me. But I understand that using a optimized client isn't gonna help? I'm testing with the normal and the optimized client right now, and the optimized surely works a lot faster than the standard (like 4 hours against 7 hours). |
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Alther
Former World Community Grid Tech United States of America Joined: Sep 30, 2004 Post Count: 414 Status: Offline Project Badges:
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But I understand that using a optimized client isn't gonna help? I'm testing with the normal and the optimized client right now, and the optimized surely works a lot faster than the standard (like 4 hours against 7 hours). An optimized BOINC client will make no difference in how long a workunit takes to process since it's the application, not the BOINC client that does all the processing. You're seeing a difference because workunits take a variable amount of time to complete. FAAH isn't as variable as HPF, but it's still quite variable.
Rick Alther
Former World Community Grid Developer |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
But I understand that using a optimized client isn't gonna help? I'm testing with the normal and the optimized client right now, and the optimized surely works a lot faster than the standard (like 4 hours against 7 hours). An optimized BOINC client will make no difference in how long a workunit takes to process since it's the application, not the BOINC client that does all the processing. You're seeing a difference because workunits take a variable amount of time to complete. FAAH isn't as variable as HPF, but it's still quite variable. Oke I understand. So the optimized client is ONLY usefull to give you higher Benchmark results which results in higher scores. This is however not usefull in WCG, because of the conversion system... Am I right? |
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knreed
Former World Community Grid Tech Joined: Nov 8, 2004 Post Count: 4504 Status: Offline Project Badges:
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Jack,
You are correct in that the optimized client will give you a higher benchmark score and thus let you claim more points per hour then you would otherwise. However, BOINC's method for granting credit (see above) means that your claimed credit will almost always be the credit that is discarded becuase it is the 'high' score that is removed from consideration. As a result the credit granted for the workunits you work on will almost always be lower then what your host claims. The 'WCG conversion system' only pertains to the importing of BOINC credit into the website so that it is similar in value to the points claimed by UD agents. This conversion system does not apply to BOINC credits themselves during the validation process, the credits that are exported to the BOINC stats sites or the credit that is shown on the BOINC manager. Kevin |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
I noticed that my faster systems get the better end of the ratio (53 / 78)and slower computers get ripped off (53 / 46).
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