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Old 05-11-2010, 06:17 PM   #1
Takeshi_12
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Is ebook-convert thread safe?
Hi,

I'm doing quite a lot of ebook conversion on my quad core computer. I saw that one ebook-convert thread only takes one core. Is it possible to launch ebook-convert again while another ebook-convert thread is still running?

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Old 05-11-2010, 06:22 PM   #2
kovidgoyal
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no ebook-convert is not thread safe. It is however, process-safe. You can have multiple ebook-convet processes running, in fact that's what the calibre GUI does.
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Old 05-11-2010, 08:35 PM   #3
DoctorOhh
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Quote:
Originally Posted by kovidgoyal View Post
no ebook-convert is not thread safe. It is however, process-safe. You can have multiple ebook-convet processes running, in fact that's what the calibre GUI does.
I noticed the efficiency of this setup.

I converted my entire library (about 1200 books) from ePub to Mobi for what ended up being a useless reason. I selected all of the books and clicked convert. It seemed to be running 3 or 4 book conversions at a time. On my dual core Windows XP laptop I was converting around 150 books an hour.

Very nicely done.
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Old 05-12-2010, 03:38 PM   #4
Takeshi_12
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Hi,

thanks for clarifying this. Doing my homework I now understand the difference between thread safe and process safe.

So I can run multiple ebook-converter processes at the same time without problems.

Regards
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