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Originally Posted by JSWolf
Is your computer slow?
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No, my computer is perfectly fine, everything snappy and optimized for high performance (no unnecessary processes in the background, minimal scheduled tasks and services, etc). Dell XPS 9710 with high specs.
Quote:
Originally Posted by sgmoore
I had issues with one version of Sumutra (can't remember which because I deleted it).
But SumatraPDF-3.3.3-64.exe and the prelease work fine.
As a comparison, they load Pickwick Papers (953 pages) (see https://www.gutenberg.org/ebooks/580.epub3.images ) in less than a second for version 3.3.3 . This is on my 5 year old Windows 10 machine.
Calibre Viewer on the other hand has always been slow and takes about 10 seconds before anything appears to happen and another 5 seconds until I can start reading.
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Wow, I downloaded that EPUB for a test and yes, SumatraPDF opens it instantly, first EPUB I get this positive result! But the reason might be that this EPUB only has text, no images at all. By the way, I have the latest SumatraPDF v3.5.2 64bit. Calibre on the other hand opens it faster than the other EPUBs I have but still much slower than Sumatra (latest Calibre v7.9.0)
Quote:
Originally Posted by Sirtel
Calibre Viewer became slow when the version 4.x was introduced and the viewer was completely rewritten. Before that the viewer was pretty snappy. For this reason I still use the viewer from 3.48 (Calibre itself is current).
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How can you update Calibre to latest version while keeping an older version of the viewer? Also, any way of downloading the Viewer from version 3.48 so I can test it? I was able to download Calibre v3.48 but not the viewer as a standalone. Thanks