Hi, 2012/4/9 Alexander Motin <m...@freebsd.org>: > [...] > > 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.
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