Your bug report #48841: fido-mode is slower than ido-mode with similar settings which was filed against the emacs package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 48841@debbugs.gnu.org. -- 48841: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=48841 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems