Re: gtk+ and gtk-engines slow

[raster redhat com]

On 23 Jan, Marcus Brubaker scribbled:
->  My thoughts exactly, except that from what Miguel has been saying, it
->  seems that it caches on a per app basis.  This seems completely illogical,
->  but who knows.
->  
->  On Sat, 23 Jan 1999 bratsche@dfw.net wrote:
->  
->  > 
->  > I believe Imlib does already cache pixmaps globally, although I've never

it does not.

->  > really examined its code before. After all, caching pixmaps on a
->  > per-application basis really wouldn't be all that useful, especially in
->  > the situation of a pixmap theme engine. =)

youd'e be surprised - turn caching of in imlib then try the picxmap
engine - now tunr it back on and try again - as long as you dont use
the latest broken gnome-libs you can do this safely and you'll see
WORLDs of speed difference - gtk-pixmap engine, E and ee all rely on
pixmap caching to get extra performance boosts.

->  > Cody
->  > 
->  > On Sat, 23 Jan 1999, Marcus Brubaker wrote:
->  > 
->  > > Take this from someone who has no idea what they're talking about as far
->  > > as this is concerned, but would it be possible to have a global Imlib
->  > > cache?  That way we only have one cached copy of all the pixmap images?
->  > > This seems to make more sense, but it may not be possible.  Maybe it could
->  > > be done by some sort of imlib-cache-server daemon?
->  > > 
->  > > On Sat, 23 Jan 1999, Miguel de Icaza wrote:
->  > > 
->  > > > 
->  > > > > ->  I just tried it as well. It does speed up the computer significantly. :)
->  > > > > ->  If the cache is so much faster, shouldn't it default to cache instead of
->  > > > > ->  defaulting to no cache?
->  > > > > 
->  > > > > talk to miguel - he believes the cache is useless. I disagree - it is
->  > > > > why I implimented a cache. I have VERY good reasons for doing stuff
->  > > > > often - most of the time no-one realises until somehting else goes
->  > > > > wrong :(.
->  > > > 
->  > > > The fix is simple:
->  > > > 
->  > > >     in the gtk pixmap theme init code we need to do:
->  > > > 
->  > > >     gdk_imlib_get_cache_info (&old_pixmaps, &old_images);
->  > > >     gdk_imlib_set_cache_info (TRUE, TRUE);
->  > > > 
->  > > > And on theme shutdown we need to do:
->  > > > 
->  > > >     gdk_imlib_set_cache_info (old_pixmaps, old_images);
->  > > > 
->  > > > Mind if I apply this patch to gtk-engines?
->  > > > 
->  > > > The reason I dislike the Imlib cache for pixmaps is because for the
->  > > > non-pixmap case we end up keeping 500k of data around that are
->  > > > unreleasable.  10 GNOME programs running would ammount to 5 megs of
->  > > > usually unused and unreleasable information.  30% of most workstation
->  > > > setups.
->  > > > 
->  > > > Miguel.
->  > > > 
->  > > > 
->  > > > -- 
->  > > >         FAQ: Frequently-Asked Questions at http://www.gnome.org/gnomefaq
->  > > >          To unsubscribe: mail gnome-list-request@gnome.org with 
->  > > >                        "unsubscribe" as the Subject.
->  > > > 
->  > > 
->  > > Marcus Brubaker
->  > > spoon@elpaso.net
->  > > http://www.elpaso.net/~spoon
->  > > 
->  > > Probably the last man who knew how it worked had been tortured to
->  > > death years before. Or as soon as it was installed. Killing the
->  > > creator was a traditional method of patent protection.
->  > >         -- (Terry Pratchett, Small Gods)
->  > > 
->  > > 
->  > > -- 
->  > >         FAQ: Frequently-Asked Questions at http://www.gnome.org/gnomefaq
->  > >          To unsubscribe: mail gnome-list-request@gnome.org with 
->  > >                        "unsubscribe" as the Subject.
->  > > 
->  > 
->  
->  Marcus Brubaker
->  spoon@elpaso.net
->  http://www.elpaso.net/~spoon
->  
->  "There is nothing that can be in our way, for this is Jekub, that Laughs at
->  Barriers, and says brrm-brrm."
->          -- From the Book Of Nome, Jekub, Chap. 3, v. V
->             (Terry Pratchett, Diggers)

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