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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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