Message boards : Graphics cards (GPUs) : New application 6.51, 6.52
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There have many changes, but most on the science, nothing apparent from a user perspective if not that we report the number of shader cores. | |
ID: 3714 | Rating: 0 | rate: / Reply Quote | |
Hope, these won't bomb out with the 'out of memory' error so often (preferrably ever). | |
ID: 3715 | Rating: 0 | rate: / Reply Quote | |
I still see 6.48, 6.47 listed on the applciation's page. | |
ID: 3727 | Rating: 0 | rate: / Reply Quote | |
My mistake. Here they are. | |
ID: 3728 | Rating: 0 | rate: / Reply Quote | |
My first 6.52 ran fine in windows 7 x64 with BOINC x64 6.3.21. I did notice in the info returned for the task it said I had 16 multiprocessors. Is this something internal for the GeForce 8800 GTS 512, or is it supposed to be the number of cores in the CPU? It did correctly detect my shader speed. | |
ID: 3790 | Rating: 0 | rate: / Reply Quote | |
GPU internal: 16 multiprocessors with 8 shaders each -> 128 shaders. | |
ID: 3791 | Rating: 0 | rate: / Reply Quote | |
Well, what did you do with this app? | |
ID: 3809 | Rating: 0 | rate: / Reply Quote | |
I haven't seen any change in runtime with the new applications. Are you sure this is since the new app is out and not since CPU < 1 ? | |
ID: 3810 | Rating: 0 | rate: / Reply Quote | |
"Changes in science"... IMHO, it would be nice to read more about project science in this forum or on gpugrid.net site in common... | |
ID: 3811 | Rating: 0 | rate: / Reply Quote | |
Are you sure this is since the new app is out and not since CPU < 1 ? I am. The change for cpu<1 was on 25.10., that's over 2 weeks ago now. I crunched several WUs since then, all without problems and within one day. I've just looked with RivaTuner about something odd, but the only thing I notice now is a slight more video memory usage of 124 MB instead of 115 before with the 6.48. That can't be the reason obviously. ;) I remember one of the elder app versions also did extend my WU crunch time enormously, fortunately it didn't stayed for long. I don't know the version now anymore, but can it be that it is the same mechanism now again? ____________ Member of BOINC@Heidelberg and ATA! | |
ID: 3812 | Rating: 0 | rate: / Reply Quote | |
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ID: 3813 | Rating: 0 | rate: / Reply Quote | |
Regarding to add more on science. | |
ID: 3814 | Rating: 0 | rate: / Reply Quote | |
DrNow, sometimes the clock of your 9600GT is reported as 1.2 GHz and sometimes 1.8 GHz. Could it be that it clocks down during the slow WUs, due to some changes in the power saving setting or the driver? | |
ID: 3815 | Rating: 0 | rate: / Reply Quote | |
Well, I'm pretty curious about that, after I did a closer look on the WUs now. I didn't do anything that it could have changed... Have you considered machine specific possibilities? I would assume that you aren't using the GPU more heavily (e.g., gaming, CAD, etc.) recently. Perhaps you have developed an overheating issue or something similar? Well, in the last days I have played a little bit more, but when I do so, I turn the GPU-crunching off, because my card is too slow for doing both and becomes very sluggish then. But that was only about 2 or 3 hours per day in maximum, couldn't be the reason for such big WU-extending. And I don't think the card was overheated, I check the temp regularly, it's mostly about 70°, and that's deep in the green area for my card. DrNow, sometimes the clock of your 9600GT is reported as 1.2 GHz and sometimes 1.8 GHz. Could it be that it clocks down during the slow WUs, due to some changes in the power saving setting or the driver? That's pretty strange. I didn't change anything, I don't know what could have caused that. Well, I wait until the actual WU has finished (will be somewhat this evening maybe), then I make a project reset to see if it changes something. I don't know if it's possible but maybe the software from 6.48 was a bit messed up with files from 6.52... ? ____________ Member of BOINC@Heidelberg and ATA! | |
ID: 3820 | Rating: 0 | rate: / Reply Quote | |
If the GPU speed changes I would guess that it has something to do with power saving settings in the NVIDIA drivers. Which driver version are you using? | |
ID: 3823 | Rating: 0 | rate: / Reply Quote | |
If the GPU speed changes I would guess that it has something to do with power saving settings in the NVIDIA drivers. Which driver version are you using? I just got home and checked here. Well, I'm using driver version 177.84, stefan@home. So far the word "power saving setting" reminded me on something. So I did a look in the systray nvidia icon and just found out, that the system performance setting there was checked for "quality", not for "best performance"! Oh crap, I wasn't aware that this was changed, at least not from me, maybe this was the reason for the slowdown? Drat, I'm not sure about it. I just changed it to best performance and counted the seconds from one percentage progress to the next, but it seems it hasn't changed at all, it's the same time difference like before... ____________ Member of BOINC@Heidelberg and ATA! | |
ID: 3825 | Rating: 0 | rate: / Reply Quote | |
Damn, after it didn't change, I think I found out now what was the cause for the slowdown. | |
ID: 3828 | Rating: 0 | rate: / Reply Quote | |
I will post this here again because its not a BOINC client problem: | |
ID: 3878 | Rating: 0 | rate: / Reply Quote | |
I will post this here again because its not a BOINC client problem: The 0.90 does not mean the app uses 0.90 (90%) of the cpu. That number is only for boinc to reserve 0.90 for scheduling purposes. Normally you run a cpu job using 1 cpu (or core). so your max would be 2.00 (Lets assume a dual core for this). If you have 2 cpus this means it will schedlue 2 cpu jobs + 1 cpu/gpu job for a single gpu. If you have 2 gpus it means it will schedule 1 cpu job + 2 cpu/jobs using 1.80 (0.90 x 2) for cpu scheduling. With the gpu's cpu usage is up to 0.99 over your max cpus, so for a dual the max boinc will schedule is 2.99. The numbers shown, in this case, can be any number between 0.01 and 0.99 to cause this. If the projects sets it to 1.00, the task will be treated as any normal cpu task and you max would be a flat 2.00. Read the new rules in the boinc wiki for how scheduling is done using the new clients 6.3.XX and above. I've put that link in the forum somewhere a few times, here it is again http://boinc.berkeley.edu/trac/wiki/GpuSched Look in windows task manager to see the actual cpu useage. The high load of 10-40% is a windows problem, linux only uses 2%. | |
ID: 3879 | Rating: 0 | rate: / Reply Quote | |
Message boards : Graphics cards (GPUs) : New application 6.51, 6.52