GPU WU's using a lot of CPU on Linux?

Message boards : Bug tracker : GPU WU's using a lot of CPU on Linux?

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bryan

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Joined: 7 Nov 17
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Message 1380 - Posted: 18 Apr 2020, 17:45:47 UTC

I looked at these two recently completed WU:
https://sech.me/boinc/Amicable/workunit.php?wuid=13407446
https://sech.me/boinc/Amicable/workunit.php?wuid=13407136
https://sech.me/boinc/Amicable/workunit.php?wuid=13403818

My computer is the one spending an order of magnitude more CPU time on them. The last one and I have the same video card.

I'm guessing it could be a Windows vs Linux bug? (Although mine shows NVIDIA GeForce GTX 1050 (1977MB) driver: 440.64 OpenCL: 1.2 vs theirs NVIDIA GeForce GTX 1050 (2048MB) driver: 442.19 OpenCL: 1.2)

I have Kernel size for NVIDIA GPUs set 16 but definitely still get UI lags when it's using GPU (but quite randomly likely related to it using the CPU at lot).
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bryan

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Message 1381 - Posted: 18 Apr 2020, 20:51:04 UTC - in response to Message 1380.  

Oops.. looks like having it set at 16 makes it not work as well. Changing it to 19 or 20 helped, but brought machine to a crawl.
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Message boards : Bug tracker : GPU WU's using a lot of CPU on Linux?


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