Re: "raw" block devices?

Ingo Molnar (mingo@pc5829.hil.siemens.at)
Thu, 17 Oct 1996 20:05:49 +0100 (MET)


On Thu, 17 Oct 1996, Theodore Y. Ts'o wrote:

> [...] One of the ways how the SGI gets truely
> awesome web server benchmarks is by doing zero-copy disk reads from the
> filesystem, and zero-copy network writes. All you need the CPU for is
> to set up the DMA's, lock down the memory pages, and stay out of the
> way. :-)

... and you need a network card that does hardware checksumming :(((

-- mingo