On 2009-08-02 05:15:51 +0400 Bartosz Zaborowski wrote: > -----Original Message----- > From: Marcin Zajączkowski <msz...@wp.pl> > To: geeqie-devel@lists.sourceforge.net > Date: Sun, 12 Jul 2009 22:33:02 +0200 > Subject: Re: [Geeqie-devel] [PATCH] Multithreaded image loading > > (...) > > > > Thanks for this patch, Bartek! > > I patched rev. 1796 and Geeqie compiled fine. I gave it a try with > > MAX_THREADS set to 3 and 4 (on CPU with 2 cores) and it seems to > > run a little bit faster. Unfortunately it's hard to say if its > > mentioned 185%. Is there an easy way to make some benchmark? > > You can clean the thumbs cache and run geeqie from commandline under > `time` with directory that contains a lot of big photos as a param... > and watch the progress bar to close app when thumbnails are done. > I measured it more precisely by adding exit(0) in code when end of > the list of files is reached.
With loading thumbnails I see a difference. > > Besides thumbnails in the main list should I expect to have main > > image loaded (and shown) almost 2x faster (for no cached images)? > > Or the second (cached) image should be loaded faster? > > Main photo is loaded simultanously with first thumbs and only this. > It doesn't load faster, since it is still processed by only one CPU. > And I havent touched the prefetching mechanism too, but here is > something to do. Ok. I asked because I didn't exactly know what should I expect. I don't know that algorithm and don't know would it be easy (possible?) to parallel it. But if yes I think it would be worth :). Regards Marcin ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Geeqie-devel mailing list Geeqie-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/geeqie-devel
