We've pushed a new 0.5.1 beta which should improve general parser
performance as well as help with the flickering issue. You can get
this beta here:

http://ubiquity.mozilla.com/xpi/ubiquity-latest-beta.xpi

(Note: for techinical reasons it's called 0.5pre7.)

I would love to know if this helps improves the behavior.

mitcho, Labs

On Jul 14, 4:47 pm, "mitcho (Michael 芳貴 Erlewine)" <[email protected]>
wrote:
> We're actively working on these issues for 0.5.1. If you get Ubiquity  
> from the hg repository [1] you can already try out some changes which  
> may help both the performance and flickering you mention.
>
> [1]https://wiki.mozilla.org/Labs/Ubiquity/Ubiquity_0.1_Development_Tutorial
> #Getting_Set_Up
>
> mitcho, Labs
>
>
>
>
>
> > It's still flashing on every keystroke and occasionally locking up for
> > a few seconds even with the new parser turned off. It did that in the
> > latest alpha as well, but not to the extent it does it now.
>
> > On Jul 14, 9:28 am, xero <[email protected]> wrote:
> >> I had to turn off Parser 2 in 0.5 as well. Typing causes the entire
> >> Ubiquity dialog to flash on almost every letter. Sometimes it gets
> >> locked up and doesn't recognize that I typed anything, but of course
> >> only in the middle of what I was typing. The parser occasionally just
> >> decides that the command no longer matches when typing its arguments.
> >> I'm hoping the bugs and performance issues get worked out because I
> >> love Ubiquity, but right now it's not even usable.
>
> >> On Jul 12, 7:44 pm, Bhagwad <[email protected]> wrote:
>
> >>> I've turned off the "Use Parser 2 (the next generation parser)"
> >>> setting in the Ubiquity preferences page and now the speed is back  
> >>> to
> >>> normal.
>
> >>> On Jul 11, 10:16 am, Bhagwad <[email protected]> wrote:
>
> >>>> Any way I can help out? Need me to do some tests? Just ask
>
> >>>> Bhagwad
>
> >>>> On Jul 11, 9:12 am, "mitcho (Michael 芳貴 Erlewine)"  
> >>>> <[email protected]>
> >>>> wrote:
>
> >>>>> Some of the new features in Parser 2, particularly the new smart
> >>>>> argument-first suggestions, necessitates that the code be more  
> >>>>> complex
> >>>>> than in previous Ubiquity releases. There are still some areas I
> >>>>> believe we can continue optimizing the code, however, so this work
> >>>>> will be ongoing.
>
> >>>>> In particular, Bhagwad, I currently believe we do have a bug where
> >>>>> things take a long time on initial parses (like your first letter
> >>>>> ones), which I'd like to look into.
>
> >>>>> Thanks for the feedback!
>
> >>>>> mitcho
>
> >>>>>> 2009/7/11 Bhagwad <[email protected]>:
>
> >>>>>>> Since updating Ubiquity to 0.5, the time taken for the process  
> >>>>>>> to
> >>>>>>> recognize the first few letters, highlight the command and  
> >>>>>>> deliver a
> >>>>>>> local result (such as the "calculate" command) has slowed down
> >>>>>>> tremendously.
>
> >>>>>>> Whereas initially it was milliseconds, it's now at least 2  
> >>>>>>> seconds
> >>>>>>> long. Anyone else facing this problem? I'm using Ubuntu with  
> >>>>>>> Firefox/
> >>>>>>> Shiretoko 3.5 . Let me boot into Windows and see if the same  
> >>>>>>> problem
> >>>>>>> occurs.
>
> >>>>>> Yes, I noticed, too, that 0.5 is slower when it's processing my  
> >>>>>> input.
> >>>>>> I use Shiretoko 3.5 on Ubuntu 9.04 and have better timing, much  
> >>>>>> less
> >>>>>> than 2 seconds, but it's still noticeable, since I have and older
> >>>>>> version at work for comparison.
>
> >>>>>> --
> >>>>>> Timur Izhbulatov —www.timka.org
>
> >>>>> --
> >>>>> mitcho (Michael 芳貴 Erlewine)
> >>>>> [email protected]http://mitcho.com/
> >>>>> linguist, coder, teacher
>
> --
> mitcho (Michael 芳貴 Erlewine)
> [email protected]http://mitcho.com/
> linguist, coder, teacher
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