ciruclar dependencies

[Stephan Bergmann]

On 05/29/2012 01:33 PM, Michael Stahl wrote:
> On 29/05/12 13:17, Tor Lillqvist wrote:
>>> the fastest way to start is still to load
>>> only the code that is necessary to start.
>>
>> Isn't there something called demand paging that takes care of that?
>
> it is supposed to do this, but falls short when it comes to startup
> performance on rotating storage, which is why we have various platform
> specific hacks to do linear reads of all libraries required at startup
> in order to hide the seek latencies incurred by demand paging.

It also falls short on avoiding the runtime loader's work on relocations 
in data segments, execution of .init sections, etc.

Stephan