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Reload this Page KOReader doesn't open large, complex ebooks?

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Old 07-23-2019, 02:43 PM   #16
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@poire-z is going to be away for a few days, but he mentioned that'll he'll be looking into it when he gets back .
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Old 07-23-2019, 05:15 PM   #17
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I've aborted it after unsuccessful 35 minutes, by restarting Kobo.
Last edited by Marinolino; 07-23-2019 at 05:30 PM.
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Old 07-23-2019, 06:12 PM   #18
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Yeah, if it takes 10 minutes on a souped up Skylake, I really really don't encourage anyone to try on a measly i.MX6 ;p.
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Old 07-24-2019, 05:45 AM   #19
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Quote:
Originally Posted by NiLuJe View Post
@poire-z is going to be away for a few days, but he mentioned that'll he'll be looking into it when he gets back .
OK, thanks.
I hope my warning helps to improve KOReader even more, making it able to open any epub...
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Old 07-24-2019, 04:02 PM   #20
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And it's hardly like my Haswell i7-4790 is a slowpoke either. Most of the discrepancy between my numbers and @NiLuJe's should be because I was using a debug build. If I'm not mistaken mine should be some 10-20% slower at most, possibly slightly higher under specific workloads.

I'd give it an absolute minimum of 100 minutes on an actual H2O/One given the numbers we posted, more likely easily twice that. (And if you run into heat-based throttling… who knows.) Hardly worth attempting unless you really want to verify whether it'll run out of memory along the way.

Code:
$ inxi
CPU: Quad Core Intel Core i7-4790 (-MT MCP-) speed/min/max: 1038/800/4000 MHz Kernel: 4.19.0-5-amd64 x86_64 Up: 1h 48m 
Mem: 5603.5/32112.8 MiB (17.4%) Storage: 3.87 TiB (54.4% used) Procs: 295 Shell: bash 5.0.3 inxi: 3.0.32
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Old 08-11-2019, 03:26 AM   #21
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@poire-z is going to be away for a few days, but he mentioned that'll he'll be looking into it when he gets back .
Any news?
With August version the result is the same unfortunately...
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Old 09-27-2019, 03:52 AM   #22
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@poire-z is going to be away for a few days, but he mentioned that'll he'll be looking into it when he gets back .
No good news from September release either...
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Old 11-25-2019, 01:28 PM   #23
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@poire-z is going to be away for a few days, but he mentioned that'll he'll be looking into it when he gets back .
No luck with November release either...
Why (talking about Android) apps like Moon+Reader or ReadEra can do it very easily and my beloved Koreader can't?
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Old 11-25-2019, 03:02 PM   #24
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@SbAgOoTs: Chunked decoding vs. full papyrus scroll approach .

The downside being a large upfront cost, with the upside being a much smaller performance impact at runtime, as long as no layout changes are requested.
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Old 12-05-2019, 06:03 AM   #25
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Originally Posted by SbAgOoTs View Post
Why (talking about Android) apps like Moon+Reader or ReadEra can do it very easily and my beloved Koreader can't?
ReadEra uses crengine to render epubs. Are you sure it can open some large epub that Koreader can't or you are talking about other format?
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