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Category: Beta Testing Forum: Beta Test Support Forum Thread: Round 3 - GPU Beta Test for Help Conquer Cancer |
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Crystal Pellet
Veteran Cruncher Joined: May 21, 2008 Post Count: 1313 Status: Offline Project Badges: |
@Sek: I wrote down two times per task: the first is elapsed=wallclock in minutes:seconds. The second time is the used CPU-time in minutes:seconds during that elapsed time. BOINC at 100%.
----------------------------------------The elapsed is the most important, because it says how much can the machine/card do per hour or day. @nanoprobe: Yes I know freeing a core will fasten the tasks, but that will be interesting in the production phase, when we keep a flow of tasks. When freeing a core the task runs in elapsed 5:36 (cpu 5:33) The first 18 seconds and about the final 50 seconds the GPU is hardly or not used. |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
@Sek: I wrote down two times per task: the first is elapsed=wallclock in minutes:seconds. The second time is the used CPU-time in minutes:seconds during that elapsed time. BOINC at 100%. The elapsed is the most important, because it says how much can the machine/card do per hour or day. Yes, thanks saw that. The heart of the question was, which one is showing on the RS pages or is it something in the middle? If you post a copy of the RS records, will have matching set of local records, maybe your BOINCtasks history if you run that] and what shows on the RS. TIA --//-- |
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Crystal Pellet
Veteran Cruncher Joined: May 21, 2008 Post Count: 1313 Status: Offline Project Badges: |
From BoincTasks, viewBoincResults.do and Result Logs:
----------------------------------------BETA_X0900060941067200511301455_0 00:09:44 (00:01:18) 0.767C + 1 NVIDIA GPU / CPU-time on RS-page: 0.02 hours / In stderr.txt CPU time used = 78.328102 Not too bad done by Fred Melgert |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Yes indeed... Fred's the man in the BOINC single and multi-client management department.
But to the point, reading that, the Result Status page on the website shows 0.02 hours for the top record where 9 minutes 44 sec of Elapsed was incurred (0.16 hours). Let me chew on that for a little [the last of the 5 looks dandy though]. --//-- |
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Crystal Pellet
Veteran Cruncher Joined: May 21, 2008 Post Count: 1313 Status: Offline Project Badges: |
.. the Result Status page on the website shows 0.02 hours for the top record where 9 minutes 44 sec of Elapsed was incurred (0.16 hours). Let me chew on that for a little [the last of the 5 looks dandy though]. --//-- On what do you want to chew? 1, 2, 4 and 5 are similar. Only when the GPU can borrow some cycles from the CPU (seems so), the elapsed time goes down and the needed cpu time up. On the RS-page the real needed cpu time is shown rounded. (0.02 hours = 72 seconds) [Edit 1 times, last edit by Crystal Pellet at Mar 20, 2012 6:00:11 PM] |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
The object of introducing Elapsed was that the GPU has/(had?) no time concept. Correct me if I'm wrong, but would you not want to get the GPU crunch time recorded, be it when needing many CPU cycles or little CPU cycles to support the GPU task. More graphic... if the HCC task needs 120 seconds worth of CPU cycles, but 60 minutes processing cycles on the GPU, I'd think that 60 minutes needs including, and that is what's in the 9 minutes 44 seconds elapsed of the first record
----------------------------------------Except for the bottom one (sorry I meant record 6, not 5) the others do not jive with my concept of what would be proper, and to understand where I'm coming from, this is what I'm looking at - 00:09:44 (00:01:18) . What with the 8:26 minutes gap? The accounting of that the part is what I'm after. Elapsed time I've never seen going down btw, lest a job is unloaded and restarted. Elapsed is the all encompassing time the job was allowed to run. What I've starting to gather [actually always understood] is, that at other grids no one is interested in the time keeping history, just the balloon credits per hour because they run 10 times faster [Not to be wrongly taken, 10x faster rightly gives 10x credit for same work unit]. At WCG the time recording factor is of importance... we're unique in that in BOINC world. Hope I'm clearer now. --//-- [Edit 1 times, last edit by Former Member at Mar 20, 2012 6:42:00 PM] |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Any time frame for OSX support? I have a lower end 3xx card ready to try. I know other Macs have beefier GPUs to try. 2/3 of the major supported OS's are on the outside looking in.
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Crystal Pellet
Veteran Cruncher Joined: May 21, 2008 Post Count: 1313 Status: Offline Project Badges: |
At WCG the time recording factor is of importance... we're unique in that in BOINC world. Time to get less unique on that point (but stay unique in reliability and valuable projects). IMHO, it's ridiculous how important run time at WCG is appraised (look at the badges, based on run time, not on credits). People are encouraged to keep their old PII's and PIII's alive, sponsoring the utility companies. The only thing that should count is that the work should done fast with low costs. To our topic: work done in elapsed time that counts. IMO GPU-time is not important, because even when it's using only 30% of its capacity or idling like during the start and finish periods of these beta's, the GPU will not do another task. The only what can be done is to make the GPU more efficient or perhaps by running 2 tasks concurrently on the GPU, if capable. Supporting so many WCG-projects, you need a bit complex app_info.xml for that. I'll do another test (if the beta's come again), with all threads busy, but the beta task priority set to normal. |
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David Autumns
Ace Cruncher UK Joined: Nov 16, 2004 Post Count: 11062 Status: Offline Project Badges: |
this made me smile
----------------------------------------I have over 35Ghz of AMD64 cores crunching for a grand total of over 36 years here at WCG 1 Graphics card thrown into the mix produces this much of a difference to getting the science done It turned up on Saturday Morning Those are BOINC Point's - for work running on the WCG multiply those points by 7 ! Crystal Pellet I had a look at the GFlops/W before making the purchase. I must still have one of the most efficient PC's on the Grid. There are graphics cards out there with over 5 times the processing power of mine [Edit 1 times, last edit by David Autumns at Mar 25, 2012 1:29:47 PM] |
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
Round 4 seems to be already finished up...No more coming... It seems a good idea that there always be announcements (in the forum) for any and all (planned or unplanned) releases of beta_GPU-WUs. I'm not aware that there was one such for 'round 4'.- snip from tomast [Mar 20, 2012 1:10:58 AM] post ; |
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