[oe] Merging openmoko into OE

Koen Kooi koen at dominion.kabel.utwente.nl
Mon Mar 5 17:03:40 CET 2007

Hash: SHA1

Richard Purdie schreef:
> On Mon, 2007-03-05 at 15:35 +0100, Harald Welte wrote:
>> On Mon, Mar 05, 2007 at 02:23:19PM +0000, Richard Purdie wrote:

>>>>> 7) related: reimplement ipkg backend to use some indexed database. It's
>>>>>    just too slow
>>> Are we talking about on device use or use during image generation? On
>>> device is tricky but there are simple ways of speeding up image
>>> generation that just need implementation.
>> image generation is not an issue at all.  
>> We're talking about on-device use which is way too slow for our needs,
>> especially considering the number of packages and that we'll have a GUI
>> application in front/on top, in addition to that.
>> If there are existing plans/ideas in this area, or somebody with some
>> ipkg background has a good proposal and wants to implement it as paid
>> contractor, this would be the time to talk about it.
> I think lots of people, me included have looked at the ipkg code and
> wanted to see it rewritten with something like a sqlite backend rather
> than parsing its ascii files all the time.

Ipkg got 2x faster when turning up the memory bus to 200MHz, so a large part is spent
copying few megs worth of lists to and from memory. On 64MB devices a big part of the
slowness comes from OOM and swapping :(


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