Re: [tbench regression fixes]: digging out smelly deadmen.

Eric Dumazet
2008-10-30T18:44:48Z

Stephen Hemminger a écrit :
> Has anyone looked into the impact of port randomization on this benchmark.
> If it is generating lots of sockets quickly there could be an impact:
> * port randomization causes available port space to get filled non-uniformly
> and what was once a linear scan may have to walk over existing ports.
> (This could be improved by a hint bitmap)
>
> * port randomization adds at least one modulus operation per socket
> creation. This could be optimized by using a loop instead.

tbench setups one socket per client, then send/receive lot of messages on this socket.

Connection setup time can be ignored for the tbench regression analysis