Message boards : Number crunching : Claiming 30 cred and getting 9200 granted?
Author | Message |
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Gen_X_Accord Send message Joined: 5 Jun 06 Posts: 154 Credit: 279,018 RAC: 0 |
Is this possible or is this user doing something they shouldn't. # 21 under Top Computers. https://boinc.bakerlab.org/rosetta/results.php?hostid=458961 |
Conan Send message Joined: 11 Oct 05 Posts: 151 Credit: 4,244,078 RAC: 35 |
Is this possible or is this user doing something they shouldn't. # 21 under Top Computers. It could have something to do with the number of decoys he is generating. On an earlier claim that granted over 4200 credits, more than 540 decoys were generated and the one you picked up did over 1100 decoys. > Even so with a preference time of 10,000 seconds or less these are unbelievable amounts to be getting. >On a 21,000 second (6 hour) preference generating 325 decoys I am lucky to get 90 to 100 credits. So yes, your example is amazing. I have been saying for a long time the credit granted is quite low on this project but this person owning Host 458961, probably does not think so. |
zombie67 [MM] Send message Joined: 11 Feb 06 Posts: 316 Credit: 6,621,003 RAC: 0 |
Is this possible or is this user doing something they shouldn't. # 21 under Top Computers. Clearly, it is not funny business on the side of the client. The claim was correct. If there is a problem, it is with the application or the server. Reno, NV Team: SETI.USA |
Angus Send message Joined: 17 Sep 05 Posts: 412 Credit: 321,053 RAC: 0 |
Is this possible or is this user doing something they shouldn't. # 21 under Top Computers. I believe the claim is based on BOINC's algorithm using benchmarks and time, but the credit award is based on Rosetta's own credit scoring based partly on number of decoys processed. One problem here - these huge awards are going to skew the awards to others processing the same jobs by increasing the average. Either there is a 5.67 client bug in reporting the number of decoys processed, or this particular PC has "issues" perehaps related to overclocking (other failed results would support this), or someone has figured out a way to play with the returned result to incorrectly report decoys to game the scoring system. Proudly Banned from Predictator@Home and now Cosmology@home as well. Added SETI to the list today. Temporary ban only - so need to work harder :) "You can't fix stupid" (Ron White) |
zombie67 [MM] Send message Joined: 11 Feb 06 Posts: 316 Credit: 6,621,003 RAC: 0 |
Is this possible or is this user doing something they shouldn't. # 21 under Top Computers. But points awarded are averaged now, right? This has to be a server, WU, or application issue. Reno, NV Team: SETI.USA |
FoldingSolutions Send message Joined: 2 Apr 06 Posts: 129 Credit: 3,506,690 RAC: 0 |
If you look at the Work Unit ID for this WU it looks like another user (Rabidjamdealer) missed out on an easy 9300 creds by aborting :O |
dcdc Send message Joined: 3 Nov 05 Posts: 1832 Credit: 119,870,251 RAC: 637 |
my bet would be incorrect no of decoys being reported as Angus suggested. |
Angus Send message Joined: 17 Sep 05 Posts: 412 Credit: 321,053 RAC: 0 |
Well, let's hope someone from the project can look into this. Proudly Banned from Predictator@Home and now Cosmology@home as well. Added SETI to the list today. Temporary ban only - so need to work harder :) "You can't fix stupid" (Ron White) |
zombie67 [MM] Send message Joined: 11 Feb 06 Posts: 316 Credit: 6,621,003 RAC: 0 |
Or maybe decoys are being completed extremely quickly, maybe a bug in the application? It may not even be generating valid results. Reno, NV Team: SETI.USA |
MattDavis Send message Joined: 22 Sep 05 Posts: 206 Credit: 1,377,748 RAC: 0 |
I got this message once many months ago. <core_client_version>5.4.9</core_client_version> <stderr_txt> # random seed: 3378452 # cpu_run_time_pref: 14400 No heartbeat from core client for 31 sec - exiting # cpu_run_time_pref: 14400 WARNING! error deleting file .aat331.out ====================================================== DONE :: 1 starting structures built 0 (nstruct) times This process generated 1701603686 decoys from 12015648 attempts 0 starting pdbs were skipped ====================================================== BOINC :: Watchdog shutting down... BOINC :: BOINC support services shutting down... </stderr_txt> |
Christoph Jansen Send message Joined: 6 Jun 06 Posts: 248 Credit: 267,153 RAC: 0 |
Or maybe decoys are being completed extremely quickly, maybe a bug in the application? It may not even be generating valid results. There are also some results with "computing error" in the user's list, so I'd say it is a matter of instability just at the brink of failure, whatever the reason (temperature, overclock, bad memory...). I think this to be the most probable explanation beacuse it looks a little like the "just get it to calculate rubbish and finish quick" thing that buggered the classic SETI@home: Some people used to get their machines to finish WUs with invalid results in almost no time by overclocking them. Got them lots and lots of finished WUs a day without any valuable contribution (on the contrary: as there was no quorum it was rather destructive to the science). But I would in no way imply it is done intentionally, mind. It is just the resemblance of the phenomenon. The user surely does not know his machine needs a little tending to at the moment. |
zombie67 [MM] Send message Joined: 11 Feb 06 Posts: 316 Credit: 6,621,003 RAC: 0 |
I doubt it is an over-clock issue. Look at the benchmarks: "empty" machine: AMD Athlon(tm) 64 X2 Dual Core Processor 4600+ Measured floating point speed 2135.93 million ops/sec Measured integer speed 3980.39 million ops/sec my machine (stock): AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ Measured floating point speed 2193.72 million ops/sec Measured integer speed 4001 million ops/sec empty's benchmarks with a faster CPU are slightly lower than mine. Again, I believe the problem is with either the application or that particular WU. Reno, NV Team: SETI.USA |
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Number crunching :
Claiming 30 cred and getting 9200 granted?
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