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Johnny Cool
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Boinc validations being extended?

I made a post in the "A 3 part Question on BOINC?" thread.

I think that this question merits a thread of it's own.

Why was there not a post in "Known Issues" or especially here in the "Boinc Agent Support" thread about the delays with Boinc validations?

I actually had to read a few Team threads to learn about this issue?

I have over 28 hours of crunching (like many of you) going back at least two days that have not "recorded" results and what not.

I have only been credited with one result this evening. Along with 115 points generated.

I do not care about the points. I do care about the "Results Returned".
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Re: Boinc validations being extended?

sad Hi Johnny
I have 25 results for 233 hours of crunching going back 6 days waiting for validation crying crying
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Johnny Cool
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Re: Boinc validations being extended?

sad Hi Johnny
I have 25 results for 233 hours of crunching going back 6 days waiting for validation crying crying


Ouch! That's a lot of crunching!

Maybe we can get a better answer.
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[Edit 2 times, last edit by Johnny Cool at May 23, 2006 4:08:06 AM]
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Re: Boinc validations being extended?

From time to time the WCG have adjusted various work unit policies to maximise the amount of research done. None of these changes (not even this one) affect the points you get or the results you return.

There was just a little dip in the daily points when the change was made, but the daily points are caught up now, as validation of older work units account for the gap left by work units that are taking longer to validate.

The reason there's no post in Known Issues is because this isn't an issue - it's perfectly intentional. Maybe a more formal announcement would have been better, but the truth is, hardly anyone even noticed. And for those that cared, the explanation was freely available.
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Sekerob
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Re: Boinc validations being extended?

Actually, a thread was started in Suggestions/Feedback under the name Quorum of 3 Change, May 20, 2006. This little bit of news has impacted the community dramatically, certainly i've seen lots of buzz on our DPC Team forum. Claiming that things have returned to normal, well not quite yet, but theory is, it should. For now impact in first 3 days was quite shocking on a Global scale, but BOINC specifically (a guess as UD agent validation will have remained the same):

Global CPU time comparison against recent production with 4 WU copies:
_______________Last Wk ___This Wk ____________
Day____________4WU set___3 WU set__Difference
Saturday________115,3 yrs__112.3 yrs__- 3.0 yrs
Sunday_________116,0 yrs__103.3 yrs__- 12.7 yrs
Monday_________136,3 yrs__131.2 yrs__- 5.1 yrs

My guess for the bigger drop on Sunday is, because there were surely still a bunch of 4WU sets out there on Saturday. Sunday the wakeup call, and Monday some catch up, but still no full recovery. My believe thus is, that there will be permanently a very large size, probably 0.5x2 to .75 daysx2 worth of unvalidated results out there.

Personally, if this Tuesday is not going to show return to near last weeks production, other, maybe human behavioural effects are impacting.

Throwing up a ball, I'd almost believe that if 2 WU's of 3 are returned and near identical, the validation could apply, the third return still to be tested if near enough to other 2 confused

Anyway, i agree with Mr Cool that a Member news notice would be in order, as most everyone reads those announcements.
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[Edit 3 times, last edit by Sekerob at May 23, 2006 5:49:53 AM]
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Re: Boinc validations being extended?

You have to allow for normal variation. The stats were measurably down on Sunday (as expected), but everything else is well within normal parameters. We would have to wait at least a month before trying to detect any overall change.

Looking at my personal stats, I don't even see a blip in the graph.
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Sekerob
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Re: Boinc validations being extended?

Thanks Didactylos, I suppose we'll wait and see cool

As for blip, what agent do you run? My team dropped close to 25% on day 2 and recovered, but on microscale, nothing should be said, as we have these flushers in the team that 'time' their deliveries biggrin

I went from normally 1 or 2 in validation to 4 in validation. This is 15 hours equiv.cpu time, the oldest now 72 hours. In my team all BOINCers report very dramaticl increase in 'backlog' if you can call it that.

Having a knack for statistics, do you have numbers, how many find quorum on 1,2,3,4 days etc.....there is the allowed 3 weeks max, and I do occasionally stumble on a WU that really does take a week or 10 days (mostly because i'm doing actually some crunching), but would those 1week+ returns not be the exceptions rather than the rule?

have a nice day
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Re: Boinc validations being extended?


impacted the community dramatically
lots of buzz
impact in first 3 days was quite shocking on a Global scale



Yawn. Think I'll go fishing. You should come along, the golf doesn't seem to be working.
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Johnny Cool
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Re: Boinc validations being extended?

Well, the stats (at least for me), are way off the mark. I have over 30 hours of crunching that are still being held up. thinking
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[Edit 1 times, last edit by Johnny Cool at May 24, 2006 2:19:32 AM]
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olympic
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Re: Boinc validations being extended?

I have 2 dual core AMD rigs crunching 24/7 with BOINC. When the grid was sending out 4 WU's, I would normally have 20-25 units pending validation. Now with only 3 being sent out, I have 30-35 units pending validation. So yeah, there will be a few days at the beginning where less results per day are being validated. But it will level out and return to normal soon as far as validations per day go. But it's likely you will have more WU's in your validation que from now on.

So you will have a small dip in point generation for a few days, but the effect is system wide so your not being left behind, everyone is in the same boat. It's a small price to pay for the potential benefits. In a perfect world this change would result in a 25% boost in efficiency within the grid. In reality it will be smaller than that but still substantial.
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