Thread: Viewer slow first read and what are the shortcuts
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Old 04-28-2021, 04:13 PM   #21
thiago.eec
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Posts: 1,249
Karma: 1419583
Join Date: Dec 2016
Location: Goiânia - Brazil
Device: iPad, Kindle Paperwhite, Kindle Oasis
Quote:
Originally Posted by Geremia View Post
I was using the open-source Nouveau driver. Now I'm using the proprietary Nvidia one, and I'm still getting the same slow load times (0.28MB EPUB here):

Code:
[0.000] Load of book started
[0.004] prepared emitted
[0.467] webview loading requested
[5.304] bridge ready
[7.332] loading finished
Turning on automatic hidpi scaling
devicePixelRatio: 1.0
logicalDpi: 196.0 x 196.0
physicalDpi: 162.56 x 161.36470588235292
Using calibre Qt style: True
What made a huge difference for me was setting calibre (and its processes, including QtWebEngineProcess.exe) to use the dedicated GPU.
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