Re: using Gnome-Shell with 90% of all applications is absolute garbage.



Hi!

> 1.  Mutter absolutely ruins any decent graphical performance on either
> system that i have been testing on. Even firefox4 has a severe
> decrease in FPS in any sort of benchmarking. I usually get above 60
> FPS, gnome-shell less than 30 FPS.... Now before you blame that on the
> fact that i use  compositing in mutter or suggest that other
> compositors would cause the same issue - Compiz++ (0.9.4) ~ has little
> to no impact on performance. - Not on FireFox, Maya, Cinelerra or any
> other application. mutter seems to be by far the WORST compositor for
> linux, hands-down, even Cairo's is better.

Please file a bug (against mutter/clutter) which exact hardware/software
description and preferably a test-case. Mutter shouldn't be any slower
than compiz and in many of the benchmark that have been published it has
been faster.

> 2. Realtime audio applications - Gnome-Shell does NOT play nice with
> Jackd on either of my systems.  In gnome2 - ZERO xruns, running
> stable. the only exception would be the odd Wine VSTi, that causes
> them - which is expected, usually on startup... in Gnome-Shell,  xruns
> are frequent... and generally is a very buggy crappy experience.
> Gnome3 also depends on Pulseaudio - bad move!  ~  PA while all good
> and dandy, it often gets in the way of Jackd and many proaudio users
> prefer a system to be "pulseaudio free", not only that but PA these
> dayz doesn't actually work with some audio interfaces supported in the
> linux kernel, as is the case with the ICE chipsets - you used to be
> able to hack it....   Requiring a user to have PA is a dumb idea, and
> should not be required, at all.

Where does the problem lie exactly. All you mention (apart from the
chipset support which I don't know about) is not a problem, it is
basically that you don't like to have pulseaudio. If you have a real
problem (bad latency, conflicts with JackD, etc.), please file a bug
against pulseaudio.

GNOME 2.x has required pulseaudio in the same way as GNOME3 btw. The
volume control has been based on pulseaudio for years.

> 3. Managing Windows/applications - I do like some of Gnome-Shell's new
> style and way of doing things... to some degree. but, Gnome3/Shell
> touts itself as being a better interface for touch interfaces and
> tablets - i am actually finding this to NOT be the case. Managing
> applications and navigation is often slower than gnome2, and as a side
> note, navigating through gnome-shell actually causes some xruns on my
> system. Back not too long ago, the old Compiz, may have done the same
> thing. But now compiz+ does not, nor does Cairo's compositing window
> manager...
> 
> this leads me to believe there is something seriously wrong in how
> mutter is implemented. not good.

Again, file a bug which exact software/hardware description.
Mutter/Clutter require a lot of driver features that compiz doesn't and
as such often hit paths that haven't been tested so much. But people
work very hard to sort this out on the driver site (as long as free
drivers are involved of course).

As you said you don't like to write negative posts it would be much
better to describe the problem WITHOUT opinion on this mailing list as
it greatly enhances the chances people are motivated to fix it.

Regards,
Johannes

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