Re: {send,recv}mmsg patch.

[christos%astron.com@localhost (Christos Zoulas)]

In article <20120608173711.GM20070%pixotech.com@localhost>,
David Young  <dyoung%pobox.com@localhost> wrote:
>On Thu, Jun 07, 2012 at 10:34:52PM -0400, Christos Zoulas wrote:
>> 
>> Hi,
>> 
>> Linux has grown those two, and claim 20% performance improvement on some
>> workloads. Some programs already use them, so we are going to need them
>> for emulation anyway...
>> 
>> http://www.netbsd.org/~christos/mmsg.diff
>
>Can you provide some documentation for these calls?

http://www.netbsd.org/~christos/mmsg-libc.diff

>ISTM that {send,recv}mmsg(), {read,write}v(), and AIO could be subsumed
>by a general-purpose scatter-gather system call, and that might be a
>good direction to go.

Well, it is not exactly a nice and clean API they propose.
Plus the timeout implementation is hackish in linux (and us now)...

christos