Greg Stark <gsstark@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
