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    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.


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