Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 

ivgavez: like your idea. would be better maybe to rework microb if we have the full source yet. that way more people would be able to compare to something the have used. any improvements could then be rolled into cssu or extras.

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 

Gecko is a dog, true, but most of its footprint is data so the ISA won't make much difference.

I suspect any significant performance improvements will only materialise after at least the most commonly used libraries and the X11 stack have been rebuilt. Until then most processes are going to be switching between ISAs all the time (and dropping the BT caches to boot).

Cf http://syslog.movial.fi/archives/46-...ot-to-VFP.html (currently down, archive copy here).

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 

i would definitely add a warning that one needs at least ... free space on rootfs. /cleaning up right now

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 

Well, I don't think the comparison with n800 is fair, what we have here is not thumb, but thumb2. Which is a totally different beast. There is no performance hit because of ISA switching, as there is no ISA switching :p. BTW I thumb2 compiled microb, and the difference in code size is about 7-8 MiB, which is a HUGE difference, having in mind browserd is always running. Unfortunately I was unable to run that binary and didn't have time to check why it aborts. microb will be my next favourite for thumb2 compilation once what is done so far is proved to not bring problems

@don_falcone: yeah, will add such a warning once I am back home, the reason is that Qt libs (being much smaller) are moved to rootfs from /opt. Theory says we sholud have an additional performance gain for Qt applications if libs are on faster NAND (NOR or whatever :) )

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 

i have 65mb free on rootfs. cant install it. is it risky to install??

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 

...hey man, my rootfs space is more tight than a ...! ;) Can i remove kernel-power afterwards? Especially the modules?

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 

An analogy, not a direct comparison :-) A lot of the same underlying issues apply, ie you won't see much of the potential performance improvement until you have converted most of the software stack.

Well, if you have a thumb2 binary issuing calls to the standard (non-thumb) libc etc, there's going to be switching. Or am I missing something?

Indeed, that does sound significant :-)

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 

hehe. Maybe you should work harder on that ... rootfs :p

Deffinitely. You can remove all of the kernel-power stuff and dpkg --force-all install KPS .deb

@Mohammed Muid: yes, what we're discussing with don_falcone is something in the range 10-15 MiB

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 

...too little, give some slack and say 25Mb at least. I had 4MB free and was forced to temporarily move out 'beta' theme, locale-archive, dsp libs, nokia-maps, poker-th, and so on & on. Afterwards the upgrade i had 152kB left :eek:

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 

OK, going to update the first post