[kphotoalbum] [Bug 374608] New: KphotoAlbum is not multithreaded

2017-01-05 Thread Max V 
https://bugs.kde.org/show_bug.cgi?id=374608

Bug ID: 374608
   Summary: KphotoAlbum is not multithreaded
   Product: kphotoalbum
   Version: unspecified
  Platform: Other
OS: Linux
Status: UNCONFIRMED
  Severity: normal
  Priority: NOR
 Component: general
  Assignee: kpab...@willden.org
  Reporter: angeran...@gmail.com
  Target Milestone: ---

Created attachment 103219
  --> https://bugs.kde.org/attachment.cgi?id=103219&action=edit
Screenshot of cpu not used

Hello,
I started to use kphotAlbum with my large photo collection, after 2 hours it
reached just the 20% of my collection on my high speed 8 cores computer.
I launched the system monitors (see attached image) and I noticed that quite
all cores was sleeping instead of scanning files.
Why don't you use the "parallel" command for scanning? See
https://www.gnu.org/software/parallel/ , it's a simple open source command that
permit to speed up executions.
I use it with all my softwares that works with many files, it speed up process
incredibly.

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[kphotoalbum] [Bug 374608] KphotoAlbum is not multithreaded

2017-01-09 Thread Max V 
https://bugs.kde.org/show_bug.cgi?id=374608

--- Comment #3 from Max V  ---
Hi, 
I suggest to try to use the Linux "parallel" command before the command to scan
the images and see what happens. Like here: https://www.biostars.org/p/63816/
In my scripts to modify images usually this way speeded up the process 8 times
and more.
KphotoAlbum scanning took more than 6 hours, for just 17.7 GB (59'000
pictures). New users will be scared or just not use at all it.
Does it scan also hidden folder and images (those starting with dot ".")?

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