Message boards :
Number crunching :
Multiple projects on the PS3
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Krunchin-Keith [USA]Send message Joined: 17 May 07 Posts: 512 Credit: 111,288,061 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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Thanks KK. All these notes are with \"leave in memory\" set to no? Can you please confirm? Correct, the option as shown on the website: Leave applications in memory while suspended? is turned off or no or unchecked, actually I have that option set to \'0\' in my global_preferences_override.xml file. I physically checked this before starting this just to configm it was still set that way, has been so for 2-3 months at least. |
Krunchin-Keith [USA]Send message Joined: 17 May 07 Posts: 512 Credit: 111,288,061 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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Continued... All still running smoothly. *6th PS3GRID finished. *4th Yoyo run and finished 00:24:13 hours. *--- New period begins *1st PS3GRID finished. *2nd PS3GRID running and 1 Yoyo at Ready to run.
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Send message Joined: 16 Jul 07 Posts: 209 Credit: 5,496,860,456 RAC: 9,935 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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Krunchin-Keith [USA]Send message Joined: 17 May 07 Posts: 512 Credit: 111,288,061 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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Thanks for running the experiment, and documenting the results! No problem, the hard part was adding the times, I did that all in my head. Computing the percentages is easy but takes a few keystrokes. The only notes were what I typed here, thats why some of it was kind of long, as I made those on the fly. For the next test I will only show the results, may I\'ll start that in a few days, I need a little break. |
Krunchin-Keith [USA]Send message Joined: 17 May 07 Posts: 512 Credit: 111,288,061 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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I\'m about to start this test to see how this behaves. I reset manually all project long terms debts to 0.000000 and re-started PS3GRID-BOINC. The effect this has is now each project, of the three has downloaded 1 task ready to run. I set all projects to no new work and suspended the waiting tasks. As soon as the one task for PS3GRID finishes in about 5-1/2 hours and uploads, I will reset the long terms debts again to zero, restart BOINC and release the work waiting and resume new work, that way I can start from zero with fresh un-started work. I\'ll report back next week-end the results of test, and see how close the run times come out to resource shares. |
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Send message Joined: 16 Jul 07 Posts: 209 Credit: 5,496,860,456 RAC: 9,935 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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The effect this has is now each project, of the three has downloaded 1 task ready to run. Three? PS3GRID, yoyo, and?? Reno, NV Team: SETI.USA |
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Send message Joined: 2 Jul 07 Posts: 31 Credit: 424,791 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]()
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Very interesting ! Btw. what happens, if a no SPE application would started ? - Would the SPEs been released from the previos SPE work ? |
Krunchin-Keith [USA]Send message Joined: 17 May 07 Posts: 512 Credit: 111,288,061 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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Heres the results of a 1 week test. Due to some complications I was not able to monitor this closely, my results came out slightly off because I was not able to check the times of work in progress at the 168 hour mark and the interruption of work availability while the server was migrating. But it is close. I\'ll try again sometime. Point is it does work with multiple project including those that use SPE\'s (PS3GRID,yoyo) and those that do not (SIMAP). I reset these 3 projects manually to 0 LTD and STD and restarted all. I should end up with the following for a week of 168 hours: PS3GRID 89.15% - 149.77 hours YOYO 10.42% - 17.51 hours SIMAP 0.43% - 0.72 hours I ended up with:
6 PS3GRID at 5 days 4 hours 29 min 55 sec = 124.49 hours
12 yoyo at 23 hours 53 min 21 sec = 23.88 hours
2 simap at 5 hours 9 min 3 sec = 5.15 hours
= 153.52 hours |
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Send message Joined: 17 Nov 07 Posts: 10 Credit: 3,199,619 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]() ![]()
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yoyo is not a project, it\'s a wrapper for projects but you don\'t get credit for the work, the yoyo@home account does. /bangs head You can run DNET OGR or DNET RC5 and SIMAP at the same time natively. I use the command line version of Boinc and access the PS3 via an ssh session. The PS3 40gb model shows 114 watts on the Kill-a-watt meter when running DNET which uses 7 cores automatically and generates 20T OGR or 3,300 blocks in RC5 per day, per PS3. I have documented how to achieve this here: http://www.free-dc.org/forum/showthread.php?t=12726 YMMV ;) |
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Send message Joined: 2 Jul 07 Posts: 31 Credit: 424,791 RAC: 0 Level ![]() Scientific publications ![]() ![]() ![]() ![]()
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Some news from SETI@home : Gaurav has build a Astropuse binary for the PS3 which make a good usage of the SPEs.... |
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