Message boards : Number crunching : Dear Gerard
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Your recent WUs take 24+ hours on my modest 660s and 750TIs. | |
ID: 40665 | Rating: 0 | rate: / Reply Quote | |
I am only getting these WUs now - looks like 660 and 750ti are no longer deemed suitable for GPUGRID. Pity. | |
ID: 40671 | Rating: 0 | rate: / Reply Quote | |
Im getting them on my 650ti's , they take about 36 hours to complete. Kwityerbellachin but I am getting credit for them | |
ID: 40673 | Rating: 0 | rate: / Reply Quote | |
My GTX 750 Ti's are running a little warmer too - up to 58 C, which is 2 C more than usual. But that is still quite cool. They are there to be used as much as possible. | |
ID: 40674 | Rating: 0 | rate: / Reply Quote | |
These GERARD_FXCXCL12 tasks are longer than most, but they are 8-12h on the fastest cards (GTX980, GTX780Ti and some Titan models). | |
ID: 40676 | Rating: 0 | rate: / Reply Quote | |
Even my GTX 660 (with the core clocked at the reference 980 MHz) takes 24 1/2 hours on these. But that is OK. These aren't the fastest cards, and the science should not be held back because of it. | |
ID: 40684 | Rating: 0 | rate: / Reply Quote | |
My 750Ti finished one of these in just under 24 hours. Unfortunately, I won't be receiving the full bonus due to more than 24 hours having passed since the task was downloaded. Still, don't count these cards out yet! | |
ID: 40689 | Rating: 0 | rate: / Reply Quote | |
My 750 Ti crunched one of these wus in a little more at one day (86812 s) at 1306 MHz. | |
ID: 40690 | Rating: 0 | rate: / Reply Quote | |
I did a GERARD_FXCXCL12_LIG_1214901 on my oc 780ti in 7.71 Hrs but does not show up in THE TOP PERFORMERS IN BATCH list even though thats faster than any on the list (so far). | |
ID: 40691 | Rating: 0 | rate: / Reply Quote | |
Your recent WUs take 24+ hours on my modest 660s and 750TIs... When I first saw how long my modest 570 was taking to complete e1s4_2-GERARD_FXCXCL12_LIG_731951-0-1-RND5224, I thought it had downclocked like it sometimes did long ago. Alas, I was wrong... :-( ____________ | |
ID: 40693 | Rating: 0 | rate: / Reply Quote | |
Tomba, if you see any tasks running on your GTX750Ti, you could manually suspend them in Boinc Manager and restart them in an order which forces them to run on your GTX770 and thus complete inside 24h. Now that's a great idea! Thanks. | |
ID: 40702 | Rating: 0 | rate: / Reply Quote | |
While we are on the subject of great ideas, maybe there is still an optimization possible for the Maxwell cards that would allow the GTX 750 Ti to complete them in 24 hours? This seems to be a good motivation for it, if more of the long Gerards are coming down the road. | |
ID: 40703 | Rating: 0 | rate: / Reply Quote | |
It's called Linux. | |
ID: 40708 | Rating: 0 | rate: / Reply Quote | |
SWAN_SYNC That's something I've been trying to find more information on in the forums but have had no luck. What is it and how does one enable it? | |
ID: 40712 | Rating: 0 | rate: / Reply Quote | |
SWAN_SYNC is an environmental variable. | |
ID: 40714 | Rating: 0 | rate: / Reply Quote | |
Thanks. That link set me on a trail that eventually answered my question. I now have Swan_Sync=0 set up on my 750Ti rig, and while the tasks are still not using a full CPU core each, the GPU usage is much smoother and 1% or 2% higher than before. Curious to see how this affects my times. | |
ID: 40716 | Rating: 0 | rate: / Reply Quote | |
Managed to get one in under 24 hours on 750Ti FTW. I'm running overclocked on W7 w/ core clock at 1410MHz and memory clock at 2950MHz. I enabled SWAN_SYNC somewhere around halfway through the the task. | |
ID: 40717 | Rating: 0 | rate: / Reply Quote | |
For SWAN_SYNC to work you need to restart the computer, after you create it. You also need to specify in Boinc Manager to leave at least 1 CPU core/thread free to benefit, but leaving more than one free improves things even more. On a 4core/8thread system there is usually no benefit in using less than 50% of the CPU (4threads) and not much difference between using 4 and 5 threads. I normally only use between 5 and 7 threads 62.5% to 87.5% of the CPU. | |
ID: 40724 | Rating: 0 | rate: / Reply Quote | |
For SWAN_SYNC to work you need to restart the computer, after you create it. You also need to specify in Boinc Manager to leave at least 1 CPU core/thread free to benefit, but leaving more than one free improves things even more. Is using SWAN_SYNC any more beneficial than reserving 1 CPU core per GPU using app_config? | |
ID: 40725 | Rating: 0 | rate: / Reply Quote | |
Last time I checked doing both was only slightly more advantageous (2 or 3%) than just freeing up a CPU core/thread (or two), but if you are just missing a deadline then it might help. Freeing up a thread or two could help more, but once you've done that you might as well use SWAN too. | |
ID: 40726 | Rating: 0 | rate: / Reply Quote | |
For SWAN_SYNC to work you need to restart the computer, after you create it. You also need to specify in Boinc Manager to leave at least 1 CPU core/thread free to benefit, but leaving more than one free improves things even more. On a 4core/8thread system there is usually no benefit in using less than 50% of the CPU (4threads) and not much difference between using 4 and 5 threads. I normally only use between 5 and 7 threads 62.5% to 87.5% of the CPU. Ahh, OK. I had restarted the client and figured that was enough. Strange that the performance changed at that time if Swan_Sync hadn't kicked in at all. Perhaps it was just coincidence and the tasks had a natural "smooth spot" at that point. After the reboot the tasks are indeed using a full HT thread each. | |
ID: 40728 | Rating: 0 | rate: / Reply Quote | |
Message boards : Number crunching : Dear Gerard