git: udp: Redistribute SO_REUSEPORT socket based on local group index

[Sepherosa Ziehau]

commit db923e214471f555958af9bf3279f793853a1a69
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Mon Sep 22 22:26:40 2014 +0800

    udp: Redistribute SO_REUSEPORT socket based on local group index
    
    This improves the request/response transation rate a lot for UDP sockets
    which set SO_REUSEPORT, by cpu localizing the request and response
    processing.
    
    tools/netrate/udpecho 64B request/response transation rate is raised from
    1.24Mtrans/s to 1.39Mtrans/s (~12% improvement).

Summary of changes:
 sys/netinet/udp_usrreq.c | 77 +++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 59 insertions(+), 18 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/db923e214471f555958af9bf3279f793853a1a69


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