Originally Posted by kovidgoyal
Hide the Tag browser.
Tag browser hidden, 39270 books going from filter of 2720 to filter of 2792 books took 70 seconds. Filter was y/n field and a user category made up of authors. (@PaperAuthors:True OR #gr_read:True) If I apply the same search as the filter itself (IE: Every book in the filter should match) it took 50 seconds once the filter was applied.
Any way to profile what that 70 seconds was spent doing? I thought maybe it would be creating/destroying (or adding/removing) the books from the grid view, that took a long time, so I tested the filtered view instead and had the same issues.
The machine is a Duo Core 3Ghz 6 gigs memory, windows 7 64 bit, calibre 0.7.54.