Re: fontlock-speed

Stef> On Fri, Feb 08, 2002 at 02:34:11AM +0100, Hrvoje Niksic Stef> wrote: Yep, I get problems indenting, and -vanilla doesn't make things any faster. Turning off font-lock speeds things up dramatically (about 70%), but it still takes a lo-o-ong time. Looks like we have something to work with: xemacs -vanilla M-: (setq auto-mode-alist nil) RET C-x C-f TraverseSchema.java M-x java-mode RET M-g 8941 RET C-s m a j o r , RET C-o C-f and profiling the TAB keystroke gives: Function Name Ticks %/Total Call Count ==================== ===== ======= ========== scan-lists 1589 94.247 307 scan-sexps 49 2.906 305 re-search-backward 45 2.669 2 c-indent-command 1 0.059 1 c-parse-state 1 0.059 1 c-guess-basic-syntax 1 0.059 1 ----------------------------------------------------- Total 1686 100.000 about 7 secs subjective time. scan-lists and scan-sexps are both implemented by the same C function, scan_lists. I wonder why the big difference in ticks? -- Institute of Policy and Planning Sciences http://turnbull.sk.tsukuba.ac.jp University of Tsukuba Tennodai 1-1-1 Tsukuba 305-8573 JAPAN Don't ask how you can "do" free software business; ask what your business can "do for" free software.