David Xu wrote:
Kris Kennaway wrote:
<snip>
My last commit improves mysql select-smack benchmark on 4-core xeon from
48000 queries/s to 70000 queries/s, so my work is alternative way
No, that is an orthogonal issue that (after measurement) does not
solve the same problem that is addressed by this change. I'd be happy
to discuss it with you in more detail if you are interested. We could
also discuss the fact that super-smack is a questionable target to be
optimizing because the main performance problems seem to be from a
very poor benchmark design.
I claim that real-world applications do not commonly do I/O in units
of 1 byte :)
I'd rather to believe it is scheduling problem, spin loops does not help
it, but sched_yield() loops does help it a lot.
Sure, maybe. It's still a completely orthogonal problem.
Kris
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