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Old 06-27-2017, 11:29 PM   #1
lazardo
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Registered: Feb 2010
Location: SD Bay Area
Posts: 270

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libreoffice + opencl + NVIDIA graphics


Code:
01:00.0 VGA compatible controller: NVIDIA Corporation Device 1380 (rev a2) (prog-if 00 [VGA controller])
	Subsystem: eVga.com. Corp. Device 3751
on an Asus H97I-PLUS, 14.1 base w 4.9.34 kernel, NVIDIA driver v340.102, alien bobs 5.1.5.2 build.

When libreoffice was initially restarted after enabling OpenCL, one core went to 100%, libreoffice never started GUI (30+ seconds). Oddly, no 100% (or even close to) processes were visible in top. Subsequent restarts also failed the same way, so direct edit was required:
Code:
sed -i '/name=UseOpenCL/s/true/false/' ~/.config/libreoffice/4/user/registrymodifications.xcu
After re-enabling OpenCL and a restart, "normal" behavior, eg, able to load and run spreadsheet.

Are there special conditions for NVIDIA+OpenCL+libreoffice?

Cheers,
 
Old 06-28-2017, 05:30 PM   #2
lazardo
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Registered: Feb 2010
Location: SD Bay Area
Posts: 270

Original Poster
Rep: Reputation: Disabled
OpenCL seems to impact libreoffice interface performance much worse in 5.1.5 than 5.0.4, so reverted and shut down OpenCL.

They really need to bite the multi-core bullet.

Last edited by lazardo; 06-28-2017 at 05:32 PM.
 
  


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