Re: a quest for a better scheduler

Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 4 Apr 2001 01:35:46 +0100 (BST)


> for the "normal case" performance see my other message.

I did - and with a lot of interest

> I agree that a better threading model would surely help in a web server, but to
> me this is not an excuse to live up with a broken scheduler.

The problem has always been - alternative scheduler, crappier performance for
2 tasks running (which is most boxes). If your numbers are right then the
HP patch is working as well for 1 or 2 tasks too

> Unless we want to maintain the position tha the only way to achieve good
> performance is to embed server applications in the kernel, some minimal help
> should be provided to goodwilling user applications :)

Indeed. I'd love to see you beat tux entirely in userspace. It proves the
rest of the API for the kernel is right

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