[arch-general] Bashification of initscripts for moderate speedup

[Isaac Dupree]

On 06/28/10 09:35, Victor Lowther wrote:
> On Jun 28, 2010, at 7:42 AM, Caleb Cushing <xenoterracide at gmail.com> wrote:
>
>> On Sun, Jun 27, 2010 at 11:10 PM, Victor Lowther
>> <victor.lowther at gmail.com> wrote:
>>> Questions, comments, flames, etc. welcome.
>>
>> why go this way instead of the other? (clarification why go deeper
>> into bash instead of trying to posix-ify the scripts)
>
> ...and the main
> source of slowdowns in the boot sequence is I/O based -- mounting
> filesystems and launching programs.

IIRC, Busybox shell can get notable speed boost by incorporating 
versions of tools like sed into the same busybox executable, such that 
it often doesn't have to fork and load other short-lived programs.

(I believe it doesn't do bash-array-syntax.)

-Isaac