On Mon, Oct 22, 2018 at 8:31 PM, David Rowley wrote:
> On 18 October 2018 at 16:13, Imai, Yoshikazu
> <imai.yoshikazu@jp.fujitsu.com> wrote:
> > The patch improves the performance about 1.3% which is less than
> > David's result, but it seems still improves the performance.
>
> Thanks for doing these benchmarks.
>
> The speedup is small, but it becomes much more significant once other
> bottlenecks are removed. More partitions may show a larger increase, but
> more partitions also means that a larger range table array gets built
> during ExecInitRangeTable(), which is also slow.
Since I did enough tests and ISTM the patch is sophisticated,
I changed the state of this patch to "Ready for Committer".
--
Yoshikazu Imai