Average Credit Decreasing?

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Profile Brent Norman Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
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Message 1781047 - Posted: 21 Apr 2016, 17:10:11 UTC - in response to Message 1781025.  

Thanks Richard, I have upped my stats to 90 days, but it sure would be nice to know what the usable values are ... just says 30 day default :(
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Message 1781049 - Posted: 21 Apr 2016, 17:17:26 UTC

Jason - when you get to the UK I might be able to offer you some hospitality in recognition of all your hard work prior to your retirement....
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Message 1781052 - Posted: 21 Apr 2016, 17:26:06 UTC

Jason - and I if you make it across the pond here to the US. And in other unrelated news, it looks like the singer Prince has died at his studio/home this morning. It is about 3 miles from my place, and it's breaking all over the news sites around here. Kinda a bummer, especially since he's only a few years older than I.. :-O

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Message 1781053 - Posted: 21 Apr 2016, 17:29:46 UTC

Richard, I just modified that value to 120 days in my current main machine (I love data...), but was wondering if there was a global value that could be set server side to apply to all my machines, so I don't have to remember to address it individually each time?

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Message 1781056 - Posted: 21 Apr 2016, 17:51:55 UTC - in response to Message 1781053.  

No there isn't. The statistics in BOINC are kept per machine, on that machine. So when you have more than one computer, you'll have to set it manually on all those machines.
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Message 1781059 - Posted: 21 Apr 2016, 17:55:52 UTC - in response to Message 1781052.  

Jason - and I if you make it across the pond here to the US. And in other unrelated news, it looks like the singer Prince has died at his studio/home this morning. It is about 3 miles from my place, and it's breaking all over the news sites around here. Kinda a bummer, especially since he's only a few years older than I.. :-O


Holy crap. I may never look at cream the same way again. Am going to have to stew on that one (Which I imagine could devise a new groove)
"Living by the wisdom of computer science doesn't sound so bad after all. And unlike most advice, it's backed up by proofs." -- Algorithms to live by: The computer science of human decisions.
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Message 1781060 - Posted: 21 Apr 2016, 17:58:35 UTC - in response to Message 1781049.  

Jason - when you get to the UK I might be able to offer you some hospitality in recognition of all your hard work prior to your retirement....


Well fingers crossed I make it that far Rob, lol
"Living by the wisdom of computer science doesn't sound so bad after all. And unlike most advice, it's backed up by proofs." -- Algorithms to live by: The computer science of human decisions.
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Message 1781062 - Posted: 21 Apr 2016, 18:02:09 UTC - in response to Message 1781047.  

Thanks Richard, I have upped my stats to 90 days, but it sure would be nice to know what the usable values are ... just says 30 day default :(

Message 1770795
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Profile Brent Norman Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
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Message 1781071 - Posted: 21 Apr 2016, 18:21:39 UTC - in response to Message 1781062.  

Holly cluckers, that is 68 years ! In that amount of time we will have robots pointing at the sky saying ... they are there!
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Message 1781083 - Posted: 21 Apr 2016, 19:09:55 UTC - in response to Message 1781047.  
Last modified: 21 Apr 2016, 19:26:08 UTC

Thanks Richard, I have upped my stats to 90 days, but it sure would be nice to know what the usable values are ... just says 30 day default :(

I think somebody here posted that they'd got it up to 15 bits - 32 K, signed (small?) int.

About 90 years...

Or perhaps it was 2 giga-seconds, as in that previous thread. Whatever.
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Richard Haselgrove Project Donor
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Message 1781090 - Posted: 21 Apr 2016, 19:38:33 UTC - in response to Message 1781034.  

Hmmm, now that I think about it...
Has anyone else noticed your tasks with an AR of around 0.42/0.40 are receiving much lower credit that the ~100+ they use to receive? I'm pretty sure that Angle Range use to net around 100 credits. Also, I'm pretty sure the GUPPIs were good for around 70+ credits when they first arrived, now they're in the 50s. Even the normal VLARs seem to be paying less, with most of them below 100.

If you're quoting credits, you have to quote time as well. I've already posted that guppi VLARs seem to take less time than Arecibo VLARs. If both time and credit reduce by the same proportion, there's no decrease in the average credit over time.
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Message 1781110 - Posted: 21 Apr 2016, 21:15:17 UTC

Well before those Guppi's, my 3570K rig was going strong and its RAC was passing 28,800.

Since the intro of Guppi's that has dropped down to 26,800 and my 90 day stat graph which had a nice upwards slope has turned into cliff.

Oh well I guess that's what you get with a random number generator.

Cheers.
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Message 1781112 - Posted: 21 Apr 2016, 21:28:59 UTC - in response to Message 1781090.  
Last modified: 21 Apr 2016, 22:28:51 UTC

Hmmm, now that I think about it...
Has anyone else noticed your tasks with an AR of around 0.42/0.40 are receiving much lower credit that the ~100+ they use to receive? I'm pretty sure that Angle Range use to net around 100 credits. Also, I'm pretty sure the GUPPIs were good for around 70+ credits when they first arrived, now they're in the 50s. Even the normal VLARs seem to be paying less, with most of them below 100.

If you're quoting credits, you have to quote time as well. I've already posted that guppi VLARs seem to take less time than Arecibo VLARs. If both time and credit reduce by the same proportion, there's no decrease in the average credit over time.

So you're saying you didn't receive around 100 credits for a normal 0.41 AR Arecibo task? I remember receiving tasks on different machines in the 0.41 AR range and they usually scored around 100 credits. The machines are running those tasks in the same amount of time they did a couple weeks ago and as far as I know the Arecibo tasks haven't changed.

Let's look at this post, http://setiathome.berkeley.edu/forum_thread.php?id=79410&postid=1779042#1779042;
Interesting to see what credit is granted by Credit Nu?.

You can watch if you like, but it's a long wait for wingmates.

Valid tasks for computer 7118033

Arecibo - 2 VLAR validated, credit 105.98 and 108.96
Guppi - no validations at all yet.

Now look at that same machine of yours, http://setiathome.berkeley.edu/results.php?hostid=7118033&offset=0&show_names=1&state=4&appid=
I see one Arecibo CPU task over 100 credits, the rest are down around the low 80s. That's the same I see on my machines. Not long ago most of my Arecibo VLARs would be over 100 credits...just as yours seem to have been.

I've been testing a New App on this machine for a little over a week now. Back when I started I was seeing a good number of tasks scoring around 100, http://setiathome.berkeley.edu/results.php?hostid=7258715&offset=120
Not anymore. Look at this AR 0.39 task, http://setiathome.berkeley.edu/result.php?resultid=4873689322
WU true angle range is : 0.391111
Run time: 7 min 25 sec
CPU time: 7 min 22 sec
Validate state: Valid
Credit 82.22

That task should have scored over 100 credits, like many others....it didn't.
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Richard Haselgrove Project Donor
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Message 1781116 - Posted: 21 Apr 2016, 22:03:47 UTC - in response to Message 1781110.  

Well before those Guppi's, my 3570K rig was going strong and its RAC was passing 28,800.

Since the intro of Guppi's that has dropped down to 26,800 and my 90 day stat graph which had a nice upwards slope has turned into cliff.

This one is yours, I think.



Guppi data was released on Tuesday 12 April, the day after an early maintenence. I see a dip on Wednesday 20 April, the day after regular maintenance, followed by the same rebound. No cliffs.
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Message 1781125 - Posted: 21 Apr 2016, 22:57:28 UTC

All I can say Richard is that that graph isn't representing what I'm seeing at all here.

Yes I do know the date of when guppies went online as I've been doing some private V8 stock testing on that rig since its introduction and that rig was still increasing RAC, but since guppies were released it has been in free fall.

Cheers.
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Message 1781134 - Posted: 21 Apr 2016, 23:38:33 UTC

Well, the only machine of mine that hasn't been testing different Apps, or running Beta tasks lately, is the one in the TV room. I don't "mess" with that one, and over here it sorta looks to be going down; http://boincstats.com/en/stats/-1/host/detail/284598132/charts
Beware though, I see APs. Since it runs ATI cards I just changed it to APs, now to see if it gets any.
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Message 1781146 - Posted: 22 Apr 2016, 0:53:05 UTC
Last modified: 22 Apr 2016, 1:02:43 UTC

Well The Arecibo drop for same work has been noticeable here ( 100cr down to ~80). Time will have to tell if it stays down, or oscillates depending on the Work mix.

A possibility exists, because of the way the credit works, that one host may receive on the high side ( e.g. Richard's) and another on the low. Look's like Richard's in cahoots with Murphy :P

[Edit:] @Richard: noticed you have a 970 in with a 750ti in two machines ? both those are likely to claim on the high side for 750ti tasks... (peak_flops_from_wrong_device X elapsed)
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Message 1781153 - Posted: 22 Apr 2016, 1:06:39 UTC

When I was able to run only AP V6 only on my 2 meager Seti hosts I was pretty much maintaining a 8K RAC now they are MB V8 boxes, not by my choice and I am enjoying a tremendous drop. It seems like I'll never get that free toaster. I wonder if I continue to crunch 24/7 can I get my RAC down to zero?
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Message 1781155 - Posted: 22 Apr 2016, 1:14:18 UTC - in response to Message 1781153.  

When I was able to run only AP V6 only on my 2 meager Seti hosts I was pretty much maintaining a 8K RAC now they are MB V8 boxes, not by my choice and I am enjoying a tremendous drop. It seems like I'll never get that free toaster. I wonder if I continue to crunch 24/7 can I get my RAC down to zero?


Hey - go for it!
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Message 1781158 - Posted: 22 Apr 2016, 1:20:21 UTC - in response to Message 1781153.  

... I wonder if I continue to crunch 24/7 can I get my RAC down to zero?


For giggles, I am going to try some reverse optimisation at some point, and pile on as many simultaneous slow running applications as there is room for in memory on the Mac + 2 different brand GPUs.

Theory suggests the worse it crunches, the better wingman it'd make :D Fortunately de-optimisation is a lot easier than optimisation, lol.
"Living by the wisdom of computer science doesn't sound so bad after all. And unlike most advice, it's backed up by proofs." -- Algorithms to live by: The computer science of human decisions.
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Message boards : Number crunching : Average Credit Decreasing?


 
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