On Sat, Nov 15, 2008 at 4:49 AM, The Rasterman Carsten Haitzler <[EMAIL PROTECTED]> wrote: > On Sat, 15 Nov 2008 07:22:29 +0000 Stroller <[EMAIL PROTECTED]> > babbled: > >> >> On 15 Nov 2008, at 07:08, Kishore wrote: >> >> > On Friday 14 Nov 2008 8:13:20 pm Gothnet wrote: >> >> Also, I know everyone loves X, but is it really the best choice for >> >> a low >> >> powered device that needs a responsive UI? >> > ... >> > I still would like to know more in terms of performance and memory >> > consumption >> > and scalability. >> >> You guys should search some of Raster's previous posts on this >> subject. Although you may have to go through quite a lot of posts to >> find his comments (!), I think you will find he has stated more than >> once that the performance of X is much maligned (as long as >> programmers are sensible and use appropriate practices). > > indeed it is. i have seen x (+efl) drastically (by many times) outperform > directfb - on the same device. every time someone thinks that the ui sucks and > the solution is "dump x" it is almost always from a position of lack of > knowledge just what is the cause of the problem. a bit of analysis and you'll > find the problem is almost always one (or more) of > > 1. just bad hardware (affects everyone x and others) > 2. incomplete or just bad drivers (not x itself and the same problem will > happen anywhere you try and accelerate so if its within x or somewhere else - > same problem). > 3. simple bad x apps or toolkits doing things badly, inefficiently or just > trying to do things in a way that just reacts badly with the target hardware. > > whatever you do in replacing x - you will just replace it with the same thing > under a different name. you won't improve or solve anything, as long as you > want > to have more than 1 process be able to display. if it's only one, dumb-fb is > an > option but you still need to then do the whole toolkit so see the above > problem > list. and you just lost multi-process access, lost a lot of support for a lot > of toolkits, apps etc. if you want to x CAN be used as a dumb-fb with little > extra overhead. > > if you really want to sink a lot of time i can go into gory detail one thing > at > a time... but you can also just search these lists and save me the effort :) x > gives you the ability to share input devices (kbd, ts, etc.) and share the > screen. you want that. it is not big and fat. it is rather small and lean. > extensions exist to do just about everything. very little does not exist in > some x extension these days.
I just wanted to second Raster's point with a small bit of data: X was designed with much less powerful devices than the moko in mind. If you're worried about X being fat, it's not X. It's stuff built on top of X, which we don't need. X ran fine on my 8mb 486. -- H. Lally Singh Ph.D. Candidate, Computer Science Virginia Tech _______________________________________________ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
