Message boards :
Number crunching :
NVidia 436.xx and later drivers can cause very long compute times especially on Arecibo VHAR work units
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Author | Message |
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robertmiles Send message Joined: 16 Jan 12 Posts: 213 Credit: 4,117,756 RAC: 6 |
result.sah and state.sah were both present - no messages about them. I got warnings about several of the MB_clFFTplan_GeForceGTX1080_* files not being found, though. No error messages in the *-benchMB.txt file. I'm about to download the 442.75 driver for another test run. |
Richard Haselgrove Send message Joined: 4 Jul 99 Posts: 14679 Credit: 200,643,578 RAC: 874 |
Ah, thanks - panic over. The MB_clFFTplan_GeForceGTX1080_* files are - intentionally - generated by the app on the first run on any given machine, and are disposable: if present, they will be used to optimise future runs; if absent, they'll be re-generated. |
robertmiles Send message Joined: 16 Jan 12 Posts: 213 Credit: 4,117,756 RAC: 6 |
The test for the 442.75 driver also hung for my GTX 1080, with no GPU use. I wrote a rather long set of instructions for running the test and sent it to Nvidia, as an addon to to the problem report I sent them about a week ago. |
Jacob Klein Send message Joined: 15 Apr 11 Posts: 149 Credit: 9,783,406 RAC: 9 |
You mean 445.75, right?? This is a Release 445 driver, a major release from the prior ones. |
robertmiles Send message Joined: 16 Jan 12 Posts: 213 Credit: 4,117,756 RAC: 6 |
You mean 445.75, right?? This is a Release 445 driver, a major release from the prior ones. Yes. Sorry about the mistake. |
Jacob Klein Send message Joined: 15 Apr 11 Posts: 149 Credit: 9,783,406 RAC: 9 |
I'm glad you also have a repro of the issue, and I thank you for reporting it to NVIDIA via the Driver Feedback Form. |
Ian&Steve C. Send message Joined: 28 Sep 99 Posts: 4267 Credit: 1,282,604,591 RAC: 6,640 |
<24hrs of project life remaining. it'll be over before it hits any desk at Nvidia. Seti@Home classic workunits: 29,492 CPU time: 134,419 hours |
Jacob Klein Send message Joined: 15 Apr 11 Posts: 149 Credit: 9,783,406 RAC: 9 |
I have confirmation from NVIDIA, that the changes that fixed this issue in R440 driver 442.19, were accidentally removed from the R445 branch. NVIDIA is looking into next steps. |
Jacob Klein Send message Joined: 15 Apr 11 Posts: 149 Credit: 9,783,406 RAC: 9 |
I have re-tested, using the 445.87 driver (from 4/15/2020), and they have again fixed the issue. So .. 445.87 has the fix, for Release 445 Drivers. Thanks, Jacob Klein |
Grant (SSSF) Send message Joined: 19 Aug 99 Posts: 13854 Credit: 208,696,464 RAC: 304 |
I have re-tested, using the 445.87 driver (from 4/15/2020), and they have again fixed the issue. So ..Thanks again for your efforts. Grant Darwin NT |
Jacob Klein Send message Joined: 15 Apr 11 Posts: 149 Credit: 9,783,406 RAC: 9 |
You're welcome :) |
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