[Gta04-owner] GTA04 Boot speed comparison

Alon Ivtsan alonivtsan at gmail.com
Wed Sep 21 19:28:27 CEST 2011


The video doesn't work in IceCat using HTML5 (WebM). A free phone
should deliver its videos in a patent unencumbered format whenever
possible.

On 9/21/11, Dr. H. Nikolaus Schaller <hns at goldelico.com> wrote:
>
> Am 21.09.2011 um 14:54 schrieb Davide Scaini:
>
>> But the comparison is a bit unfair... try to boot shr from nand i'm sure i
>> will be faster than iphone.
>
>
> We just did not have a GTA02 with a working installation in NAND, except
> that old SD card
> we use for device testing after buzz-fixes.
>
> For us, the GTA02 devices have mostly become sources for plastic parts and
> are not used
> for developing or installing new software :)
>
> So I respect that the newer versions e.g. of SHR and QtMoko are booting much
> faster.
>
> Nevertheless, the GTA04 isn't optimized at all. Firstly, it waits 1 second
> on the RS232
> for breaking into U-Boot. Then, it loads the 3 MByte kernel with most
> modules compiled in,
> and prints the full boot log to the RS232 interface (limited to 115 kbit/s =
> ca. 10k characters
> per second). Finally, the rootfs is a plain standard Debian Squeeze without
> any optimization
> for boot speed.
>
> For me, the most surprising result is that it already boots without any
> optimizations
> significantly faster into GUI mode than the iPhone.
>
> BTW: David has reported that the original QtMoko rootfs image does boot and
> allows to
> do some useful things on the GTA04. So it does not appear difficult to adapt
> a real and full
> QtMoko (or SHR or hackable:1 or ...) release for the GTA04.
>
>
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>



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