[lkml]   [2000]   [Oct]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: 2.2.18Pre Lan Performance Rocks!

On Mon, 30 Oct 2000, Jeff V. Merkey wrote:

> No argument here, but the overhead of reloading CR3 period will kill
> performance. [...]

2.4 does not reload CR3, unless you are using multiple user-space

> 2.4 does not beat NetWare, BTW, it gets a little further, but still
> hits the wall, [...]

as i told you in the previous mail, the main overhead is not CR3, it's the
copying & dirtying of all data, and the subsequent DMA-initiated dirty
cacheline writeback. I can serve 100 MB/sec web content with 2.4 & TUX
just fine - it relies on a zero-copying infrastructure.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
Please read the FAQ at

 \ /
  Last update: 2005-03-22 12:45    [W:0.119 / U:0.992 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site