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Old 08-15-2009, 11:16 AM   #3
DanielCoffey began at the beginning.
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Posts: 66
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Join Date: Jun 2009
Location: Edinburgh, UK
Device: Sony PRS-505
Thanks for the quick reply...

Oddly enough, another smaller epub I have does it too, but to a much lesser degree. War For The Oaks epub (free from Tor) is 368Kb and the delays are smaller - around 10-12 seconds to open and only slightly sluggish responses when editing.


System : iMac 2.8GHz Intel Core 2 Duo, 4Gb RAM
OS : Mac OS X 10.5.8

Sigil idle, no ebook loaded, 0% CPU, 25Mb mem used

When opening War For The Oaks (368Kb), Sigil's CPU usage goes to 100% and its memory jumps from 25Mb used to 45Mb used then CPU usage settles at 0% once epub is loaded.

When entering carriage returns in the middle of a paragraph, CPU usage is about 25% but when deleting them, CPU usage hits 90-100% and it takes around 1s per deletion.

I then closed Sigil and reopened it before loading the 1.4Mb Deed of Paksenarrion epub. Activity monitor settled at 100% CPU usage and quickly reported Sigil (Not Responding) and memory usage climbed rapidly to 112.5Mb used. Once the epub was loaded, CPU settled back to 0%.

I am not sure if that degree of memory and CPU usage is what you would expect.
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