Forum > GPU crunching
CUDA_V12_app
Lord Asmodeus:
I didn't know there was an uninstaller. Does it restore the previous optis .exe ? I saw a backup folder. It wouldn't have cost me WU, because they were only screwed when I used my "old style" method of restoring. And V12 didn't screw the WU, it was just rendering my computer unusable.
Jason G:
Ahh , yes the uninstaller, is in add/remove programs via control panel, and uses that backup folder to put back previous app, DLL's and app_info. It was tested a few times by me, though I don't know know if many people have used that feature, so it is still a cross-your-fingers approach anyway. BTW: yes we are working on improving the usability and runtime performance at Low angle ranges, and have largely isolated the offending code portions. It is challenging, and will take some time yet, but very gradual progress is being made.
Lord Asmodeus:
Is there a way to make a fresh new install (of BOINC, projects, optis) without losing WUs ?
I noticed that since a month or so my RAC has dropped, my GTX280 isn't so freaking fast as before. Also, boinc.exe is using lots and lots of CPU time, I don't think it is normal (on my other computer, identical except without CUDA device, I don't see this).
I already stopped getting new WUs but I have a big cache (~1700WUs).
Raistmer:
Your problem is big cache. Search for this in SETI main forums, it was discussed in details.
BOINC can't do correct scheduling of huge task lists. It will consume more and more CPU time, up to completely take whole CPU core for its own needs. It's no way can be considered as correct behavior of framework that only needed to send and recive tasks (roughly speaking) but there is no bugfix available AFAIK, only cache reduce :-\
Lord Asmodeus:
OK that explains one thing. But my videocard used to make more RAC than the CPU (roughly 4500 for the CPU and 5500 for the GPU), and now it is clearly not the case (6700 total), do you have an idea about that ?
What cache size do you suggest ?
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