[SHR] illume predictive keyboard is too slow

Helge Hafting helge.hafting at hist.no
Wed Jan 28 14:05:07 CET 2009

Olof Sjobergh wrote:
> On Wed, Jan 28, 2009 at 11:53 AM, Florian Hackenberger
> <f.hackenberger at chello.at> wrote:
>> That's my UTF8 fix [1] that's causing the slowness, I'm afraid.
>> Unfortunately I'm very very busy ATM and therefore I'm unable to work
>> on it. It could either be the latin -> UTF16 code which is slow or
>> another bug I introduced (causing excessive lookups for example).
> I looked into this issue when my Swedish keyboard didn't work
> correctly. I found some issues and some parts that could be improved
> and sent a patch with these fixes to the enlightenment devel list.
> However, even fixing everything I could find, it's still a bit slow.
> The problem seems to be the conversion to utf16 for each and every
> strcmp when doing the lookup.
> Unless I missed something big (which I hope I didn't, but I wouldn't
> be surprised if I did), this is not fixable with the current
> dictionary lookup design. Raster talked about redesigning the
> dictionary format, so I guess we have to wait until he gets around to
> it (or someone else does it).
The obvious fix is to store the dictionary in such a format that
conversions won't be necessary. Not sure why utf16 is being used,
utf8 is more compact and  works so well for everything else in linux.

Helge Hafting

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