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Dirk Sadowski Send message Joined: 6 Apr 07 Posts: 7105 Credit: 147,663,825 RAC: 5 |
... Really? MB vs. AP ? You think with AP it's easier or more/better possible to find ET? |
Dirk Sadowski Send message Joined: 6 Apr 07 Posts: 7105 Credit: 147,663,825 RAC: 5 |
Weather can affect crunching as well. Not if you have a well heatsink/fan combi on CPU.. well fan-RPM in the GPU-case.. and well airflow through the PC-case.. ;-) |
1mp0£173 Send message Joined: 3 Apr 99 Posts: 8423 Credit: 356,897 RAC: 0 |
... I think we have no way of knowing if ET is using narrowband or broadband transmissions, and assuming one and not the other just reduces our chances of finding a signal. |
OzzFan Send message Joined: 9 Apr 02 Posts: 15691 Credit: 84,761,841 RAC: 28 |
... I think that if we are trying to find intelligent life, that there is a probability that they started with narrowband transmissions like we did, but that broadband would probably be a larger portion of their "history" (remember, the data we are sifting through is thousands of years old, if not older). But like Ned said (hey, that rhymes!), eliminating either choice will seriously hinder our efforts in finding ETI. |
FiveHamlet Send message Joined: 5 Oct 99 Posts: 783 Credit: 32,638,578 RAC: 0 |
I know that the project has been down for maintainence but 1 of my rigs is having problems downloading new tasks keeps getting an error (has wrong size). My other rig has been trying to upload and report 4 tasks.(TEMP FAILED SERVERS MAY BE DOWN) I have checked the servers and they report all running. Any ideas I have run out of cuda on the first rig. {edit} by the way my stats are 100k out on credits |
Zydor Send message Joined: 4 Oct 03 Posts: 172 Credit: 491,111 RAC: 0 |
Its Tuesday .... maintenance day when the servers are down during most of the day. On restart there is always a backlog as everyone hits the servers for refills etc. A good url to watch this happening is the cricket graphs at: http://fragment1.berkeley.edu/newcricket/grapher.cgi?target=/router-interfaces/inr-250/gigabitethernet5_1&ranges=d%3Aw&view=Octets Regards Zy |
FiveHamlet Send message Joined: 5 Oct 99 Posts: 783 Credit: 32,638,578 RAC: 0 |
Thanks for that Zy. I didnt have this problem in the past with the errors. But I guess it will clear.I just ran out of CUDA. |
SoNic Send message Joined: 24 Dec 00 Posts: 140 Credit: 2,963,627 RAC: 0 |
Narrow band signals have the ability to travel farther and are easy to discern from the background noise. Wide band signals are used more when you need a higher density (and low power) of users like in our phone systems. CDMA uses something like that. Military spread-spectrum uses something like that. Those evolved transmissions will look like noise anyway to our software, I don't think we have the capability to find ET thru that. AP it is not looking for ET in my opinion. I really think that something else it is going on here... |
OzzFan Send message Joined: 9 Apr 02 Posts: 15691 Credit: 84,761,841 RAC: 28 |
Narrow band signals have the ability to travel farther and are easy to discern from the background noise. Considering that any sufficiently advanced civilization will be using narrowband for such a short time (even shorter on a cosmological scale), I'm not certain I can agree. If AP is not looking for ET "in your opinion", and you think its looking for something else, it might be helpful to back your opinion up with facts and data, otherwise its just speculation and conjecture to be discarded. [Edit] Personally, I'm not certain why there's such a large resistence to change with SETI@Home, and why the conspiracy theories abound because of a new application. Wouldn't SETI@Home want to focus on finding ET? Do you honestly think that SETI@Home would be so dishonest to "sneak" something else in to fool the participants? It simply doesn't make sense, which means the logic just isn't there to support the hypothesis. |
perryjay Send message Joined: 20 Aug 02 Posts: 3377 Credit: 20,676,751 RAC: 0 |
It's my opinion we are looking for signals about equivalant to our I Love Lucy signals that are travelling out into space. There is no telling what our space buddies are using for communications nowadays. They may have given up on radio waves centuries ago. PROUD MEMBER OF Team Starfire World BOINC |
Virtual Boss* Send message Joined: 4 May 08 Posts: 417 Credit: 6,440,287 RAC: 0 |
Narrow band signals have the ability to travel farther and are easy to discern from the background noise. Wideband signals are very easy to generate, still travel a long distance and dont need sophisticated receivers. As our first radio transmitters, spark gap generators are extremely wideband, travelled all around the world with low power and were detected with very simple equipment. Sounds like an ideal way of saying "Can you hear this". |
_heinz Send message Joined: 25 Feb 05 Posts: 744 Credit: 5,539,270 RAC: 0 |
23.04.2009 23:34:56|SETI@home|Scheduler request failed: Couldn't connect to server 23.04.2009 23:35:56|SETI@home|Sending scheduler request: Requested by user. Requesting 0 seconds of work, reporting 12 completed tasks 23.04.2009 23:36:18||Project communication failed: attempting access to reference site 23.04.2009 23:36:20||Internet access OK - project servers may be temporarily down. 23.04.2009 23:36:21|SETI@home|Scheduler request failed: Couldn't connect to server http://fragment1.berkeley.edu/newcricket/grapher.cgi?target=%2Frouter-interfaces%2Finr-250%2Fgigabitethernet2_3;view=Octets;ranges=d |
perryjay Send message Joined: 20 Aug 02 Posts: 3377 Credit: 20,676,751 RAC: 0 |
And we're back. That was fun. Wonder who tripped over the power cable this time? PROUD MEMBER OF Team Starfire World BOINC |
Cosmic_Ocean Send message Joined: 23 Dec 00 Posts: 3027 Credit: 13,516,867 RAC: 13 |
And we're back. That was fun. Wonder who tripped over the power cable this time? Read Matt's latest tech post. Some spider/bot was trudging through the site and brought the MySQL database to a halt. Linux laptop: record uptime: 1511d 20h 19m (ended due to the power brick giving-up) |
zoom3+1=4 Send message Joined: 30 Nov 03 Posts: 66286 Credit: 55,293,173 RAC: 49 |
And we're back. That was fun. Wonder who tripped over the power cable this time? Did that, The Chinese and/or Russians or whomever needs a gateway or something like that to allow only authorized traffic through, Not these bots or whatever they are, It's that or cut them off until further notice. 6.6.24 is available to those who want to try It. Savoir-Faire is everywhere! The T1 Trust, T1 Class 4-4-4-4 #5550, America's First HST |
FiveHamlet Send message Joined: 5 Oct 99 Posts: 783 Credit: 32,638,578 RAC: 0 |
Cricketgraph shows a drop in server throughput, and schedular could not connect to server.Same as last night for me. Hope someone is still at home. LOL Server status still reporting all on. Dave {edit}Message from server no Enhanced or Astropulse |
_heinz Send message Joined: 25 Feb 05 Posts: 744 Credit: 5,539,270 RAC: 0 |
24.04.2009 23:40:34|SETI@home|Scheduler request failed: Couldn't connect to server 24.04.2009 23:40:36||Internet access OK - project servers may be temporarily down. Its the same as last yesterday. |
Richard Haselgrove Send message Joined: 4 Jul 99 Posts: 14679 Credit: 200,643,578 RAC: 874 |
This is a shame. The latest speculation in Technical News is that it was a rogue stats-bot scraping the pages, instead of downloading the nightly xml dump as it should. That one's been blocked - hooray - but these reports, and the slow access to forum pages I'm seeing, suggests there's another one. Boo. |
FiveHamlet Send message Joined: 5 Oct 99 Posts: 783 Credit: 32,638,578 RAC: 0 |
May just have been a blip Cricketgraph back up now.Hooray. |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13842 Credit: 208,696,464 RAC: 304 |
Been getting 25/04/2009 6:50:30 SETI@home Message from server: No work sent 25/04/2009 6:50:30 SETI@home Message from server: No work is available for SETI@home Enhanced 25/04/2009 6:50:30 SETI@home Message from server: No work available for the applications you have selected. Please check your settings on the web site. For about 45 min so far with the odd 25/04/2009 7:11:58 SETI@home Message from server: (Project has no jobs available) thrown in for a change. Scarecrow's Graphs show that there's plenty of work ready to go, so there's something not quite right. Just had a look at the Netowrk Traffic & it's been quite bursty over the last day or so, and it's just spiked after a considerable dip. Grant Darwin NT |
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