Re: debate on 700 threads vs asynchronous code

From: Lee Chin (
Date: Thu Jan 23 2003 - 19:07:11 EST

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?

----- Original Message -----
From: Larry McVoy <>
Date: Thu, 23 Jan 2003 15:28:34 -0800
To: Lee Chin <>
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

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