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SubjectRe: [tbench regression fixes]: digging out smelly deadmen.
On Thu, Oct 30, 2008 at 11:15:26AM -0700, Stephen Hemminger ( wrote:
> 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.

In this benchmark only two sockets are created per client for the whole
run, so this should not have any impact on performance.

Evgeniy Polyakov

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