2012/4/9 Alexander Motin <mav@free...>:
> I have strong feeling that while this test may be interesting for profiling,
> it's own results in first place depend not from how fast scheduler is, but
> from the pipes capacity and other alike things. Can somebody hint me what
> except pipe capacity and context switch to unblocked receiver prevents
> sender from sending all data in batch and then receiver from receiving them
> all in batch? If different OSes have different policies there, I think
> results could be incomparable.
Let me disagree on your conclusion. If OS A does a task in X seconds,
and OS B does the same task in Y seconds, if Y > X, then OS B is just
not performing good enough. Internal implementation's difference for
the task can not be waived as an excuse for result's comparability.