On Mon, 03 Nov 2008, Dominique Pelle wrote: > > 2008/10/27 François Ingelrest <[EMAIL PROTECTED]>: > > > Hi all, > > > > Anyone else using the latest Ubuntu 8.10? I've installed it this > > week-end, and compiled the latest Vim as well (7.2.25). > > > > I've been using Vim all the day, and the GUI version is quite slow. > > Well, it's usable, but I can see the redrawing of the screen, it takes > > maybe a bit less than 1 sec. for the whole screen when I scroll a page > > down/up. The file itself is not that big (it's a LaTeX file, and is > > around 70KB), and actually Vim in a terminal is way faster to redraw > > the screen even when the size of the terminal is the same as my GUI > > window. I'm wondering why, since generally it's the opposite. > > > > Any suggestion? > > I'm running Ubuntu-8.04 (I still haven't upgraded to 8.10) and > both vim & gvim seems fast enough. But fast or slow is > suggestive. So I just wrote a simple script to benchmark the > redraw speed and measured it with gvim as well as vim in > xterm and gnome-terminal: > > Here is the benchmark script: > > --- 8< --- cut here --- 8< --- cut here --- 8< --- > $ cat test-redraw-speed.vim > > " Benchmark vim's redrawing speed > let i = 0 > while i < 2000 > 1 > redraw > $ > redraw > let i = i + 1 > endwhile > qa! > --- 8< --- cut here --- 8< --- cut here --- 8< --- > > For the test, I made vim redraw the content of the file > vim7/src/README.txt. I ran the test with vim in a xterm, > in a gnome terminal and with gvim as follows: > > $ time vim -u NONE -U NONE -S test-redraw-speed.vim vim7/src/README.txt > $ time gvim -u NONE -U NONE -f -S test-redraw-speed.vim vim7/src/README.txt > > And here are the results below using my Linux x86 laptop > [Intel(R) Core(TM) Duo CPU T2250 @ 1.73GHz]. > > With vim-7.2.26 (huge, GTK2-GNOME GUI): > > real user sys > ------------------------------------- ------ ------ ------ > vim-7.2.26 in xterm ................. 2.312s 0.968s 0.072s > vim-7.2.26 in gnome-terminal ........ 12.469s 0.972s 0.080s > gvim-7.2.26 ......................... 7.715s 5.800s 0.140s > > > With vim-7.1.138 (that comes with Ubuntu-8.04, GTK2-GNOME GUI): > > real user sys > ------------------------------------- ------ ------ ------ > vim-7.1.138 in xterm ................ 2.320s 1.120s 0.088s > vim-7.1.138 in gnome-terminal ....... 15.384s 0.996s 0.056s > gvim-7.1.138 ........................ 26.614s 25.014s 0.376s > > > Interestingly, gvim-7.2.26 which I compiled myself is 3.44 times > faster than gvim-7.1.38 which comes with Ubuntu-8.04, at least > in this benchmark. > > It would be interesting to compare with your results using > the same benchmark.
I do not have gnome terminal installed so only tested on xterm $ time gvim -u NONE -U NONE -f -S test-redraw-speed.vim vim7/src/README.txt real 0m53.115s user 0m8.401s sys 0m0.308s $ time vim -u NONE -U NONE -S test-redraw-speed.vim vim7/src/README.txt real 0m11.365s user 0m1.524s sys 0m0.112s vim 7.2 patch 1-13 ubuntu 8.10 amd64 nvidia -- regards, ==================================================== GPG key 1024D/4434BAB3 2008-08-24 gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 --~--~---------~--~----~------------~-------~--~----~ You received this message from the "vim_use" maillist. For more information, visit http://www.vim.org/maillist.php -~----------~----~----~----~------~----~------~--~---
