On Mon, 17 Mar 2014 12:11:14 +0100 Marjan Waldorp <[email protected]> said:
> Hi all, > > Thanks to the deps list of Pavel Reznicek we managed to upgrade all our > systems from E-0.17.5 to E-0.18.5. > The good news is no segv's up to now. Great! > > However E18 seems to be more demanding then E17.. > E.g. one of our older PC's isn't capable of doing OpenGL: > > NVIDIA Corporation NV18 [GeForce4 MX 440 AGP 8x] [10de:0181] > Kernel driver in use: nouveau > > In E17 we simply unloaded the Composite module. > This tremendously speeded up the system! > Moving of windows was fast and smooth. > > In E18 however there is no Composite module any more. > We checked "Disable compositing effect" and unloaded the file manager modules, > but that doesn't help. > > What can be done to speed things up for older hardware? upgrade the gpu, or live with software compositing which is what you get when the evas gl engine can't init (gl doesn't support glsl shaders etc. etc.) > In the past Enlightenment was a "light weight" Window Manager > especially well suited for less capable hardware (e.g. tablets, smartphones). > Is that no longer true? it still is. it just is always compositing. it is light weight vs all the other composited desktops. > What version of Enlightenment is recommended for less capable hardware? > > Has hardware OpenGL become a requirement? no - you have software compositing. i have e run with software compositing on a pentium-m at 600mhz (1024x768 at 32bpp) ant 512m ram. it's its usable/fine. sure - not silky smooth but usable. i suspect your hardware is better than what i test it on so it should work better. is it possible you have opengl falling back to software emulation (far slower than evas's software code) and evas hasn't caught it (evas blacklists drivers that it knows are software fallbacks). are you in 32bpp or 16bpp? 16bpp will be slower, so switch to 32bpp. you can turn off smooth scaling in the compositor settings - that'll speed up effects. other than that - there isn't much to be done. not under x11. compositing is now core and required as part of our move to wayland. since wayland is a compositoed only environment, this is the only sensible path. ultimately a wayland environment will be faster than an x11 env if software compositing as it will remove 2 copies (copy of updates from client to compositor, then copy updated pixels to fb). so it may easily end up 2x faster, but we're only just starting here and it's not usable yet for people. > Thanks, > > Marjan Waldorp, > tux4u.nl > > > ------------------------------------------------------------------------------ > Learn Graph Databases - Download FREE O'Reilly Book > "Graph Databases" is the definitive new guide to graph databases and their > applications. Written by three acclaimed leaders in the field, > this first edition is now available. Download your free book today! > http://p.sf.net/sfu/13534_NeoTech > _______________________________________________ > enlightenment-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/enlightenment-users > -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- The Rasterman (Carsten Haitzler) [email protected] ------------------------------------------------------------------------------ _______________________________________________ enlightenment-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/enlightenment-users
