Re: Marginal performance improvement for fast-path locking - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Marginal performance improvement for fast-path locking
Date
Msg-id 31231.1385669347@sss.pgh.pa.us
Whole thread Raw
In response to Re: Marginal performance improvement for fast-path locking  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: Marginal performance improvement for fast-path locking  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
Robert Haas <robertmhaas@gmail.com> writes:
> But I don't think it'll hurt anything.  If you can prove that it
> actually helps something, I'll buy you a glass of wine.  :-)

FWIW, I did try benchmarking this using "pgbench -S -c 10 -M prepared".
If there's any difference, it's below the noise floor.  (I see about
0.2% or so run-to-run variation even without changing anything.)
        regards, tom lane



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