On Wed, 20 Jun 2012 18:31:13 +0900 Carsten Haitzler (The Rasterman) <ras...@rasterman.com> wrote:
> On Tue, 19 Jun 2012 18:20:38 -0300 "Eduardo Lima (Etrunko)" > <ebl...@gmail.com> said: > > > One thing I noticed when running some instances of terminology it > > that it is very processor hungry. For instance when running 'top' > > you may notice it figures among the first ones. This doesn't happen > > when you run top from gnome-terminal for instance. > > really? wow... are you sure u are using the same terminology i am? > the same efl? i have 3 terms (gnome, xterm, terminology) running, top > updates 1 time per second, sometimes xterm gets to 1%, sometim4es > gnome-terminal does, sometimes terminology - they are about the same. > just beware - gnome-terminal and xterm have the XSERVER do the text > rendering and draw, terminology is don't client-side in terminology. > (x just copies the pixels to the fb). a better comparison - have each > run top separately and measure system idle. i need to make it do > something otherwise i get 99.9% idle for all. so: > > top -d 0.01 > > terminology: 93.3% idle > gnome-terminal: 94% idle > xterm: 92.2% idle > > really... they are all the same. :) Opening up terminology and running it on a smaller window over the top of much larger roxterm window, my usual terminal these days, I get 9 to 11% cpu usage for terminology, and 1% for roxterm. Running top on both at the same time. Getting the same when I run top on each individually, with the idle terminal not even registering enough CPU to show up on the screen. This is with terminology using DejaVu Sans Mono font. With Terminus-12 font terminology runs a little faster, steady at 8%. For some odd reason, Monospace, the font I use in roxterm, does not show up in the terminology font selector. On the other hand Terminus-12 does not show up on roxterm, but that's a terminology built in font? So I changed roxterm to use Dejavu Sans Mono for a more direct comparison. Roxterm then started using between 1 and 4%, but mostly the 1% end of that range. Note that for this test the roxterm window is over four times the area of the terminology window, and showing twice the number of lines for top. This is terminology as compiled late last night. Only the font was changed. System idle is not a good test here, I run servers with random loads. Someone from the USA walking around a virtual world here in Australia is likely to ruin any system idle tests. lol I likely have gnome-terminal installed, as this is Ubuntu and it tends to break stuff when you try to remove the crap it installs by default. I also got xterm installed. xterm is consistently clocking in faster than roxterm at 1% to "0%" (more precision needed, but does not matter), even when I make it the same size. Changing xterms font looks complicated, so I did not bother. Gnome-terminal seems to be between xterm and roxterm, though sometimes peaking a percentage point above roxterm, and sometimes getting as fast as xterm. Note, Gnome-terminal also shows the Monospace font that Terminology does not, but I did the test in DejaVu Sans Mono. Really not a lot to pick speed wise between gnome-terminal, roxterm, and xterm. Terminology is much slower than all three, even in a much smaller window. Increasing the terminology window to the same size as the others and I'm getting 12 to 14% cpu usage. The difference in how they render text might be responsible, but I can't bring down my servers just to do that sort of test. -- A big old stinking pile of genius that no one wants coz there are too many silver coated monkeys in the world.
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