Re: debate on 700 threads vs asynchronous code

Lee Chin (leechin@mail.com)
Thu, 23 Jan 2003 19:07:11 -0500


Hi,
Thanks for the rpely... my question was more so, with setcontext and swapcontext, I will still be messing with the data cache right?

In otherwords, as long as I have an async system with out setcontext, I know I am good... but with it, havent I degraded to a threaded environment?

Thanks
Lee
----- Original Message -----
From: Larry McVoy <lm@bitmover.com>
Date: Thu, 23 Jan 2003 15:28:34 -0800
To: Lee Chin <leechin@mail.com>
Subject: Re: debate on 700 threads vs asynchronous code

> > b) Write an asycnhrounous system with only 2 or three threads where I manage the connections and stack (via setcontext swapcontext etc), which is progromatically a little harder
> >
> > Which way will yeild me better performance, considerng both approaches are implemented optimally?
>
> If this is a serious question, an async system will by definition do better.
> You have either 700 stacks screwing up the data cache or 2-3 stacks nicely
> fitting in the data cache. Ditto for instruction cache, etc.
> --
> ---
> Larry McVoy lm at bitmover.com http://www.bitmover.com/lm

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