Re: 2.2.18Pre Lan Performance Rocks!

Ingo Molnar
2000-10-31T20:22:23Z

On Tue, 31 Oct 2000, Jeff V. Merkey wrote:

> It relies on an anomoly in the design of Intel's cache controllers,
> and with memory based applications, I can get 120% scaling per
> procesoor by jugling the working set of executable code cached accros
> each processor. There's sample code with this kernel you can use to
> verify....

FYI, this is a very old concept and a scalability FAQ item. It's called
"sublinear scaling", and SGI folks have already published articles about
it 10 years ago.

Ingo