Message boards : Number crunching : Problems and Technical Issues with Rosetta@home
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Mr P Hucker Send message Joined: 12 Aug 06 Posts: 1600 Credit: 12,014,247 RAC: 16,176 |
Anybody know what's up with Asteroids@Home? The website still has a post from June saying they have the new server up and running, and it will take 2 weeks to transfer data, plus some configuration time. That was 5 months ago. |
Mr P Hucker Send message Joined: 12 Aug 06 Posts: 1600 Credit: 12,014,247 RAC: 16,176 |
The issue in such huge institutes isn't usually the amount of money, it's just complicated and needs time to get it approved to spend them on something, in particullar if you can't use the money you've already got for something else and want additional money. If you just want to change the use of money you already got approved, it's usually easier. So it might depend on wether they can repurpose some "IT money" for this or if they need additional money.Or maybe the scientists are getting enough data back with the current server so they're happy. |
Stevie G Send message Joined: 15 Dec 18 Posts: 107 Credit: 862,167 RAC: 2,109 |
"This parrot is dead"I have 19 (was 20) parrots and that sketch is not very nice. The rest of Monty Python is funny though. Your house must be very loud. |
Mr P Hucker Send message Joined: 12 Aug 06 Posts: 1600 Credit: 12,014,247 RAC: 16,176 |
Your house must be very loud.Two of them have been relegated to the garage. Do not buy Amazon parrots. |
Greg_BE Send message Joined: 30 May 06 Posts: 5691 Credit: 5,859,226 RAC: 0 |
Hey Sid, KMA...seriously. You think you own these boards and know it all. If you do, then why not go work for them? I'll come back here to pester your ass every now and then. But I'm settled on projects that have plenty of work, not the hodgepodge castoff stuff that comes here now. |
Mr P Hucker Send message Joined: 12 Aug 06 Posts: 1600 Credit: 12,014,247 RAC: 16,176 |
Hey Sid, KMA...seriously. You think you own these boards and know it all.Why do you object to projects with infrequent work? |
Jean-David Beyer Send message Joined: 2 Nov 05 Posts: 194 Credit: 6,526,294 RAC: 7,542 |
Why do you object to projects with infrequent work? My dislike for projects that (currently) have infrequent work is not severe enough for me to resign from those projects. The reason I prefer frequent work is because I have some mental priorities for how important each project is to me. Thus, I wish to give 50% of my time to ClimatePrediction, 25% of my time to WCG, and 12.5% of my time to Rosetta. I also participate in MilkyWay (0.25%) and Universe (0.12%) that are only there to give the machine something to do when the others send out no work. The thing I object to is the way my Boinc-Client works. If a project has accomplished very little work lately, it is more likely to try to get more work from that project. And if one sent out no work is six months, it is so hungry that it will not request more work from a project that actually has work. So when I actually need work and CPDN has sent no work since last July, and WCG had send no work since last February (though now it is sending out work), my client would complain I did not need work from Universe even though it had work available and my cores were going idle from lack of work. I turned off new tasks from CPDN to get over that. Now Rosetta has stopped sending out work to my machine. Fortunately, this has been only a few days, so my Boinc-Client has not gotten spoiled yet, though I am getting only WCG work units these days. So I allow WCG to process 7 tasks at a time, Rosetta 4 at a time (though I ran out of work, so none are running) CPDN 4 at a time (though I ran out of work months ago). And the balances are nowhere near the proportions I wish. CPDN 0% instead of 50%; MilkyWay 48% instead of 0.25%; Universe 29% instead of 0.12%; WCG 16% instead of 25%, and Rosetta 7% instead of 12.5%. I complain about MilkyWay and Universe that award way too much credit for the work they do. |
Mr P Hucker Send message Joined: 12 Aug 06 Posts: 1600 Credit: 12,014,247 RAC: 16,176 |
Not sure what you mean. You set the projects to the percentages you want, and Bionic will do it's best to hit that percentage over about a month. If you want Rosetta to do 50%, but it's only managed 20% over the last month, why wouldn't you want it to catch up? |
Jean-David Beyer Send message Joined: 2 Nov 05 Posts: 194 Credit: 6,526,294 RAC: 7,542 |
Not sure what you mean. You set the projects to the percentages you want, and Bionic will do it's best to hit that percentage over about a month. If you want Rosetta to do 50%, but it's only managed 20% over the last month, why wouldn't you want it to catch up? I would want it to catch up. But if Rosetta is not sending out work units, so some of my cores are idle, I do not want my Boinc client to ignore other, lower priority projects because it is so desperate to get work from Rosetta. N.B., the worst offender is not Rosetta, but ClimatePrediction and, until recently, WCG. Furthermore, it seems to me it takes much longer than a month to approach my desired ratios, even when all projects are continuously sending out work. |
Mr P Hucker Send message Joined: 12 Aug 06 Posts: 1600 Credit: 12,014,247 RAC: 16,176 |
I would want it to catch up. But if Rosetta is not sending out work units, so some of my cores are idle, I do not want my Boinc client to ignore other, lower priority projects because it is so desperate to get work from Rosetta. N.B., the worst offender is not Rosetta, but Climate Prediction and, until recently, WCG.I don't understand. If a project is out of work, Boinc will try the next highest priority project in your repertoire. Are you saying Boinc sits there without filling all cores? That simply doesn't happen with me and should not be happening with you either. Boinc will try the one it wants work from, and when that project has no work, it will try the next most important one and so on. That is one of the most basic things Boinc is supposed to do. |
Grant (SSSF) Send message Joined: 28 Mar 20 Posts: 1695 Credit: 18,161,085 RAC: 24,437 |
Furthermore, it seems to me it takes much longer than a month to approach my desired ratios, even when all projects are continuously sending out work.Because you are running multiple projects with a large cache. The more Projects you run & the larger the cache, the longer it takes for your Resource share settings to be met. It's that simple. Grant Darwin NT |
Link Send message Joined: 4 May 07 Posts: 356 Credit: 382,349 RAC: 0 |
That and backup projects should be set to 0% and not something like 0.xx%.Furthermore, it seems to me it takes much longer than a month to approach my desired ratios, even when all projects are continuously sending out work.Because you are running multiple projects with a large cache. . |
Jean-David Beyer Send message Joined: 2 Nov 05 Posts: 194 Credit: 6,526,294 RAC: 7,542 |
Furthermore, it seems to me it takes much longer than a month to approach my desired ratios, even when all projects are continuously sending out work. Store at least 0.50 days of work Store up to an additional 1.5 days of work. There are 5 projects. Is that really so large a cache? |
Mr P Hucker Send message Joined: 12 Aug 06 Posts: 1600 Credit: 12,014,247 RAC: 16,176 |
That and backup projects should be set to 0% and not something like 0.xx%.Can't do that with Milkyway, you get 40 seconds of work. |
Mr P Hucker Send message Joined: 12 Aug 06 Posts: 1600 Credit: 12,014,247 RAC: 16,176 |
Store at least 0.50 days of workYes, I have 0.25+0.25 with about 5 projects (I have loads more, but I choose a few at a time). You only need as much as 2 days cache if you want to grab a huge amount when a project becomes active, or if you have a flaky internet connection. Although the first one won't work, as it will also grab a lot from other projects. I usually set the first figure to 0, but increased it so it pesters WCG for work. |
Jean-David Beyer Send message Joined: 2 Nov 05 Posts: 194 Credit: 6,526,294 RAC: 7,542 |
Store at least 0.50 days of work I do not need to grab a huge amount, but only enough so I can coast over the intervals where a project does not have a supply of work usually available. I decided I would like to have a day's supply of work availlable so a project could skip sending me work every other day. But with my main projects all being just awful, in the last year or so, at supplying work on a regular basis, my processors are frequently idle. I would think having a day's work in reserve to be quite modest. My internet connection, with Verizon FiOS, is extremely reliable. This test does not give the reliability, but it I cannot remember an interruption in service this year. They were down fo an hour or so somewhat after midnight the year before, but I was asleep at the time, so it did not affect me. Netprotect New York, NY Test results Ping 5 ms Jitter 1 ms Download 78.8 Mbps Upload 89.1 Mbps |
Mr P Hucker Send message Joined: 12 Aug 06 Posts: 1600 Credit: 12,014,247 RAC: 16,176 |
My internet connection, with Verizon FiOS, is extremely reliable. This test does not give the reliability, but it I cannot remember an interruption in service this year. They were down for an hour or so somewhat after midnight the year before, but I was asleep at the time, so it did not affect me.I don't get ISP downtime, but I used to have a lot of problems with the line to my house. Aluminium, wires installed in 1979 back when copper was too expensive. I've had about 30 engineer visits. But for the last 10 years I think they've fixed everything. 89 up?! Bloody hell. I get 34 down (was 54, but they dropped it due to contention, or me using it too much for illegal activities, they might be lying) and only 8 up! Everyone in the UK has a very slow up, seems to be the in thing to give you most of it on down, which I suppose makes sense.Netprotect New York, NY Test results Ping 5 ms Jitter 1 ms Download 78.8 Mbps Upload 89.1 Mbps WTF is a jitter? |
robertmiles Send message Joined: 16 Jun 08 Posts: 1233 Credit: 14,317,813 RAC: 3,316 |
My internet connection, with Verizon FiOS, is extremely reliable. This test does not give the reliability, but it I cannot remember an interruption in service this year. They were down for an hour or so somewhat after midnight the year before, but I was asleep at the time, so it did not affect me.I don't get ISP downtime, but I used to have a lot of problems with the line to my house. Aluminium, wires installed in 1979 back when copper was too expensive. I've had about 30 engineer visits. But for the last 10 years I think they've fixed everything. [snip] When I was working as an electrician's helper, I saw one on the problems with aluminum wire. It SLOWLY moves away from whatever is squeezing it. Therefore, unless you keep constant spring tension on it, you'll eventually get an open circuit (a gap breaking the connection). |
Jean-David Beyer Send message Joined: 2 Nov 05 Posts: 194 Credit: 6,526,294 RAC: 7,542 |
89 up?! Bloody hell. I get 34 down (was 54, but they dropped it due to contention, or me using it too much for illegal activities, they might be lying) and only 8 up! Everyone in the UK has a very slow up, seems to be the in thing to give you most of it on down, which I suppose makes sense. My Verizon FiOS is fibre-optic to a box on the outside of my house. There the signal is converted to 4 voice lines, one ethernet line, and a co-ax for television ("cable"). I actually use only one voice line, but I did use two for a while. And I do not watch TV, so I do not need that. The ethernet line goes to a Verizon-supplied router that is hard-wired to my main computer, to a littlle Windows10 computer, and my UPS that keeps in occasional touch with the UPS vendor (APC). In any case, I pay for 75 Megabits/second both up and down. And Verizon exceed those speeds almost all the time. I could pay more money and get ten times faster, but I would probably need a new router, and a new box on the side of my house (box now 18 years old). But my data rates to and from most servers is slower than what I have now to the various sites that that test program uses for measuring Internet performance, so I would not benefit from a faster connection.. https://www.speakeasy.net/speedtest/ I do not know how the test program measures jitter, but it must measure how steady the pulses are. One way they could do that is to do a bunch of pings and watch the variability of the ping time. |
Mr P Hucker Send message Joined: 12 Aug 06 Posts: 1600 Credit: 12,014,247 RAC: 16,176 |
When I was working as an electrician's helper, I saw one on the problems with aluminum wire.Like trying to squeeze a worm and it pops out? |
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Number crunching :
Problems and Technical Issues with Rosetta@home
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