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Old 04-07-2016, 11:07 AM   #14
audeojude
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Posts: 80
Karma: 489964
Join Date: Oct 2011
Location: Deep South
Device: 4 or 5 generations of kindles
Quote:
Originally Posted by HarryT View Post
I buy a lot of the omnibus editions from Delphi Classics, which can contain dozens of individual books. Conversion times of several hours aren't at all uncommon for such books. Some of them can only be converted on 64-bit versions of Calibre; the 32-bit version runs out of memory.
I haven't used a 32 OS in years. I couldn't do 1/4 of what I daily do on my pc with a 4 gig memory limitation. Shoot I couldn't even do it with 8 gigs. I'm not doing anything special right this moment and have 9 gigs tied up between the OS, calibre and firefox. When I start cranking virtual machines for work up it will tie up all 32 gigs once in a while. 15 to 20 gigs is about normal for me.

What is the system specs for your computer that it is taking that long to do a conversion and what format to what format? how many pages? It would be interesting to get a feel for the impact of hardware and memory on calibre's performance. I guess it would be combination of how many files on the file system (OS files system speed issue), memory and architecture (32 or 64), type of hard drive (IO), type of format to format conversion issue, etc
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