Questions on the scheduler
oliver at akephalos.de
Sat Sep 29 09:31:20 PDT 2007
Are there any numbers or technical papers? Just out of curiosity.
On Sat, Sep 29, 2007 at 06:10:50PM +0200, Kris Kennaway wrote:
> RW wrote:
>> The FreeBSD response was to make the kernel more SMP friendly with
>> finer-grained locking, and to bring-in the ULE scheduler. Dragonfly BSD
>> was a fork off 4.x by people who thought a more radical kernel rewrite
>> was needed. Their kernel avoids a lot of the locking problems by using
>> message queues.
> Just to clarify, that was the theory and intention behind Dragonfly, but in
> practise they have yet to achieve it after 4 years and any benefits of
> their ideas remain unproven. Basically they have achieved no performance
> gains on SMP and have effectively abandoned working on it.
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Why did the Lord give us so much quickness of
movement unless it was to avoid responsibility with?
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