Message boards :
Number crunching :
Average Credit Decreasing?
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Author | Message |
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Brent Norman Send message Joined: 1 Dec 99 Posts: 2786 Credit: 685,657,289 RAC: 835 |
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 :( |
rob smith Send message Joined: 7 Mar 03 Posts: 22506 Credit: 416,307,556 RAC: 380 |
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.... Bob Smith Member of Seti PIPPS (Pluto is a Planet Protest Society) Somewhere in the (un)known Universe? |
Al Send message Joined: 3 Apr 99 Posts: 1682 Credit: 477,343,364 RAC: 482 |
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 |
Al Send message Joined: 3 Apr 99 Posts: 1682 Credit: 477,343,364 RAC: 482 |
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? |
Jord Send message Joined: 9 Jun 99 Posts: 15184 Credit: 4,362,181 RAC: 3 |
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. |
jason_gee Send message Joined: 24 Nov 06 Posts: 7489 Credit: 91,093,184 RAC: 0 |
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. |
jason_gee Send message Joined: 24 Nov 06 Posts: 7489 Credit: 91,093,184 RAC: 0 |
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. |
AMDave Send message Joined: 9 Mar 01 Posts: 234 Credit: 11,671,730 RAC: 0 |
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 |
Brent Norman Send message Joined: 1 Dec 99 Posts: 2786 Credit: 685,657,289 RAC: 835 |
Holly cluckers, that is 68 years ! In that amount of time we will have robots pointing at the sky saying ... they are there! |
Richard Haselgrove Send message Joined: 4 Jul 99 Posts: 14679 Credit: 200,643,578 RAC: 874 |
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. |
Richard Haselgrove Send message Joined: 4 Jul 99 Posts: 14679 Credit: 200,643,578 RAC: 874 |
Hmmm, now that I think about it... 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. |
Wiggo Send message Joined: 24 Jan 00 Posts: 36618 Credit: 261,360,520 RAC: 489 |
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. |
TBar Send message Joined: 22 May 99 Posts: 5204 Credit: 840,779,836 RAC: 2,768 |
Hmmm, now that I think about it... 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?. 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. |
Richard Haselgrove Send message Joined: 4 Jul 99 Posts: 14679 Credit: 200,643,578 RAC: 874 |
Well before those Guppi's, my 3570K rig was going strong and its RAC was passing 28,800. 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. |
Wiggo Send message Joined: 24 Jan 00 Posts: 36618 Credit: 261,360,520 RAC: 489 |
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. |
TBar Send message Joined: 22 May 99 Posts: 5204 Credit: 840,779,836 RAC: 2,768 |
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. |
jason_gee Send message Joined: 24 Nov 06 Posts: 7489 Credit: 91,093,184 RAC: 0 |
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) "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. |
betreger Send message Joined: 29 Jun 99 Posts: 11414 Credit: 29,581,041 RAC: 66 |
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? |
Cruncher-American Send message Joined: 25 Mar 02 Posts: 1513 Credit: 370,893,186 RAC: 340 |
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! |
jason_gee Send message Joined: 24 Nov 06 Posts: 7489 Credit: 91,093,184 RAC: 0 |
... 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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