Message boards : Number crunching : Internet traffic and necessary data
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FluffyChicken Send message Joined: 1 Nov 05 Posts: 1260 Credit: 369,635 RAC: 0 |
ok .....i'm out apart from a few jobs left to run Don't keep turning them off, just think of the heating bill you'll have to start paying ;-) Team mauisun.org |
Lee Carre Send message Joined: 6 Oct 05 Posts: 96 Credit: 79,331 RAC: 0 |
Don't keep turning them off, just think of the heating bill you'll have to start paying ;-) I have to agree with that, my computer room is always lovely and warm, even in winter :) shorts and t-shirt only ;) |
John McLeod VII Send message Joined: 17 Sep 05 Posts: 108 Credit: 195,137 RAC: 0 |
Thanks NBIT saves me doing the search to link to them (do you use NBIT ?). And then there is the 300 MByte upload at the end... BOINC WIKI |
Lee Carre Send message Joined: 6 Oct 05 Posts: 96 Credit: 79,331 RAC: 0 |
CPDN is actually not too bad, bandwitdh may look large in the first instance, but since that is pretty much it apart from some small trickles for half a year or so, it's overall negligable ;-) well, over a couple of months that's not bad, i easilly download over 300 megs from rosetta in a week, and i don't exactly have a lot of hosts |
River~~ Send message Joined: 15 Dec 05 Posts: 761 Credit: 285,578 RAC: 0 |
Thanks NBIT saves me doing the search to link to them (do you use NBIT ?). The classic CPDN used to ask you if it was OK to do this, to allow you to defer the upload to a better time. I understand that the sulphurs upload at the end of each of five phases - anyone know any better on this? If I am right, any idea of sizes of each of these megatrickles? If I remember right this change was to offset the impact of the fact that those wu generate even more data that needs to be sent back. R~~ |
Hoogie Send message Joined: 4 Nov 05 Posts: 13 Credit: 1,572,894 RAC: 0 |
The sulphur I am currently running trickles 24 times each phase. That occurs about every 12 hours on my 2GHz Athlon. I don't know the size though. |
Lee Carre Send message Joined: 6 Oct 05 Posts: 96 Credit: 79,331 RAC: 0 |
And then there is the 300 MByte upload at the end... you can do it with boinc as well, just disable network access untill a more suitable time I understand that the sulphurs upload at the end of each of five phases - anyone know any better on this? If I am right, any idea of sizes of each of these megatrickles? yup, the results of each phase are uploaded at the end of the phase, rather than the end of the model run i'm not certain of the size, something's telling me it's 3 megs, but that doesn't seem right If I remember right this change was to offset the impact of the fact that those wu generate even more data that needs to be sent back. from what i've read, it's also so that the scientists get pliminary results back sooner, so they know if a model is stable or not, if it's not, might as well ditch it (set server state to "over" so it's not sent out again) it was also so that if a model failed before it completed, the science team at least have partial results for it's run, rather than having to wait for someone to fully complete the model to have any idea how it did |
FluffyChicken Send message Joined: 1 Nov 05 Posts: 1260 Credit: 369,635 RAC: 0 |
Thanks NBIT saves me doing the search to link to them (do you use NBIT ?). The 'trickles' are small afaik, just an information update. The Sulphurs are sending at the end of each of each phase (5 in total, don't know about a hughe one at the end, not got that far yet, ask me in a month or 2) 1of5 is 8MB 2of5 is 2MB 3of5 ... will find out ;) Of course I still havn't sent these in as they get a no header or something error, but I still have about another 10 months till they time oout to figure a way to send them in (the 8MB is causing problem due to it size on dial up and the cut off I get at around 1hr on my 'totaly free' account. I've just found out it does not resume uploads like it does downloads (but they do use decent ZIP compression! :-) Team mauisun.org |
Deamiter Send message Joined: 9 Nov 05 Posts: 26 Credit: 3,793,650 RAC: 0 |
Also, the CPDN team will send out a kill command (on your next connection) if the model goes way off track. They don't just not send it again, they actually stop it and give you a different WU if the one you've got goes bad. Clearly with such a long run time, they don't want to be wasting thousands of hours of CPU time on models that are worthless! |
[B@H] Ray Send message Joined: 20 Sep 05 Posts: 118 Credit: 100,251 RAC: 0 |
In how many Countries besides Russia do people have to pay by the bandwidth used for there internet access? Could an ISP there be a bit lax on billing if they knew what you were using tha bandwidth for? Pizza@Home Rays Place Rays place Forums |
carl.h Send message Joined: 28 Dec 05 Posts: 555 Credit: 183,449 RAC: 0 |
Ray in the UK a lot of us have a 2GB limit a month. Not all Czech`s bounce but I`d like to try with Barbar ;-) Make no mistake This IS the TEDDIES TEAM. |
FluffyChicken Send message Joined: 1 Nov 05 Posts: 1260 Credit: 369,635 RAC: 0 |
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Lee Carre Send message Joined: 6 Oct 05 Posts: 96 Credit: 79,331 RAC: 0 |
Also, the CPDN team will send out a kill command (on your next connection) if the model goes way off track. ...they don't want to be wasting thousands of hours of CPU time on models that are worthless! great :) always nice when things are done properly ;) |
Cureseekers~Kristof Send message Joined: 5 Nov 05 Posts: 80 Credit: 689,603 RAC: 0 |
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Lee Carre Send message Joined: 6 Oct 05 Posts: 96 Credit: 79,331 RAC: 0 |
Something that might interest stats fans here I live in the Channel Islands (Jersey to be precise, no, old Jersey, between England and France) we only have 2 true ISPs (a 3rd gets it's bandwidth from another) the main one is the telecoms provider (the only one in jersey, it's only 45 square miles) we've been able to get 2 meg service from day 1 (with 512k and 1 meg as well) and on the cheapest service, there's a 20GB/month limit jersey connects to london, and paris anyone have any ideas why jersey, being a small island, dependant on it's connections to london and paris, can offer such high bandwidth capacity? |
carl.h Send message Joined: 28 Dec 05 Posts: 555 Credit: 183,449 RAC: 0 |
Not all Czech`s bounce but I`d like to try with Barbar ;-) Make no mistake This IS the TEDDIES TEAM. |
Lee Carre Send message Joined: 6 Oct 05 Posts: 96 Credit: 79,331 RAC: 0 |
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carl.h Send message Joined: 28 Dec 05 Posts: 555 Credit: 183,449 RAC: 0 |
Not all Czech`s bounce but I`d like to try with Barbar ;-) Make no mistake This IS the TEDDIES TEAM. |
Scribe Send message Joined: 2 Nov 05 Posts: 284 Credit: 157,359 RAC: 0 |
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SwZ Send message Joined: 1 Jan 06 Posts: 37 Credit: 169,775 RAC: 0 |
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Number crunching :
Internet traffic and necessary data
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