> > I did some benchmarking with/without multibyte support using current.
> > (1) regression test
> > (2) pgbench
>
> pgbench unfortunately seems quite irrelevant to this issue, since it
> performs no textual operations whatsoever. It'd be interesting to
> modify pgbench so that it updates the "filler" column somehow on each
> update (perhaps store a text copy of the new balance there), and then
> repeat the tests.
Ok. Here is the result:
Without multibyte:
1 50.190473
2 65.943052
4 74.908752
8 62.589973
16 87.546988
32 94.448773
64 88.019452
128 64.107839
With multibyte:
1 47.473237
2 61.435628
4 83.047684
8 95.556846
16 92.157352
32 95.879001
64 91.486652
128 66.926568
a graph is attached.
