Re: [Vala] GObject allocation / referencing... Why is so slow?

[Javier Jardón <jjardon gnome org>]

2011/1/15 Aleksander Wabik <alex wabik gmail com>:
> Other thing: signals. Did someone measured their performance? I did
> once, its AWFUL! Why? Well, here we also are using highly reusable, and
> very slow code. Signals are referenced by name (yes, string!), signals
> get complicated marshallers for their parameters... I don't know if it
> can be fixed easily in glib profile, but in such language like vala the
> signal could be implemented as a list of function pointers! I bet that
> any JIT, in C# or in Java (when java will finally support
> events/signals) will beat glib signals easily. A matter of general
> design.

This can be improved a bit using the new g-object-notify-by-pspec()
[1]  and g-object-class-install-properties() [2] API added in Glib
2.26

[1] http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#g-object-notify-by-pspec
[2] 
http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#g-object-class-install-properties
-- 
Javier Jardón Cabezas