[lkml]   [2000]   [Sep]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
On Mon, Sep 18, 2000 at 07:52:22AM -0700, Dan Kegel wrote:
> now links to
> which describes
> some patches for FreeBSD which add support for zero-copy
> networking from user space.
> Where they're headed is:
> When transferring one or more pages via a page-alligned
> buffer and normal read() or write(), VM tricks will be
> used to avoid copying the data. If you touch the page
> before the transfer is done, copy-on-write semantics
> will be used to avoid screwing up the transfer.
> Best to use aio_write etc. so you know when the transfer
> is done, so you can reuse the buffer.
> They've gotten 960 megabits/sec out of a gigabit Ethernet card
> with this. Not stable yet.

Didn't daveme get the same speed using Linux almost a year ago?
Larry McVoy lm at
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 12:38    [W:0.189 / U:1.568 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site