Outlier: (examples 14-16) The WU is flagged as "Invalid". From what is seen so far, if your machine is claiming normal, it will always be included in quorum calculations. So far, in all the cases I saw, it was because one other machine was definitly claiming too high, as seen above. Although it is possible, the probability of this is very low indead. Specifically their average claim must be below 73% of normal for this rule to incorrectly trigger againest your claim. Overclaiming: (examples 8-13) May occur if both other quorum members are running under-benched systems. After the initial settling phase in late November, this is currently typical of the vast majority of the WUs. Normal: (examples 3-7) All WUs are claiming within a tight range. The WUs are excluded from quorum and awarded the average of the other two. In this case, the system comes to your rescue. My understanding is that this problem is limited to C2D at the moment. Underclaiming: (examples 1-2) Occurs when Boinc occasionally under-benches. From my understanding, this is how it looks so far from examples of quorums in my AMD results: And AFAIK, they have not changed the rules. But as you may recall, have been looking into it last December. The admins of WCG have not officially disclosed what the rules of their system are. If the two claimed credits are similar, then the granted credit will be an average of the two, which was the way credit was awarded when the FAAH quorum was made up of 3 hosts. The standard BOINC practice is to award the lower of the two claimed credits. Update: Now that FAAH uses a quorum of 2, granted credit is awarded two ways. Your result is the one that's highlighted (see below). This explains why your granted credit may be higher or lower than your claimed credit. The "granted credit" is calculated by taking the average of the claimed credit results. The size of the quorum varies, depending on the project.īelow is an example of a validated WU. This is to ensure that the WU has undergone enough processing to satisfy the scientists. For WCG projects, all of members of the quorum have to complete the same work unit before that WU is validated and credit is awarded. For those of you who are new to WCG and use of the BOINC client, here's an explanation of how credit/points are awarded.īOINC uses what is referred to as the quorum system.
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