Thanks Charles for the quick reply! It is really interesting.
Believe I can find more interesting things after digging deeper.


Yan




2014-05-05 22:19 GMT-04:00 Charles Forsyth <charles.forsyth@gmail.com>:

>
> On 6 May 2014 03:13, yan cui <ccuiyyan@gmail.com> wrote:
>
>> Instead of digging much into the kernel code, I post the question here.
>> Does the speed come from its good design or insufficient kernel support?
>
>
> it's a bit of both: the compiler suite is much faster; the kernel source
> is less than the size of their include files; old drivers and obsolete code
> is eventually discarded; and it would be fair to say that device support is
> more limited, certainly compared to Linux.
>



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