Greg Stark <gsst...@mit.edu> writes:
> I also wonder if this microbenchmark is actually ok because it's
> testing the same value over and over so any branch-prediction will
> shine unrealistically well.
Yeah, that is a good point --- and it would benefit the unrolled loop
more than the other versions. We should probably revise the test
harness so it mixes the size requests a bit. I'm not sure of a suitably
simple way to do that, though.
regards, tom lane
--
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers
