lkml.org 
[lkml]   [2000]   [Jan]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: Interesting analysis of linux kernel threading by IBM
Date
From
Larry McVoy <lm@bitmover.com> said:

[...]

> In both cases, it's very rare that having more threads than CPUs ever
> helps you. As Alan said, threads are for people who can't program
> state machines. He's dead on correct and if you think about it, threads
> have inherently more cache footprint than a state driven model (this
> actually isn't true in theory in all cases but man, oh, man is it ever
> true in practice. I don't know what it is but people who use threads
> have this builtin assumption that memory bandwidth is infinite and cache
> size is infinite, etc.)

Because the von Neumann computer model still widely taught in school has no
cache, since the CPU is assumed much slower than memory? ;-)
--
Horst von Brand vonbrand@sleipnir.valparaiso.cl
Casilla 9G, Viña del Mar, Chile +56 32 672616

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:56    [W:0.041 / U:24.304 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site