Re: calling procedures is slow and consumes extra much memory against calling function

Em dom., 10 de mai. de 2020 às 17:21, Pavel Stehule <pavel.stehule@gmail.com>
escreveu:

> Hi
>
> I try to use procedures in Orafce package, and I did some easy performance
> tests. I found some hard problems:
>
> 1. test case
>
> create or replace procedure p1(inout r int, inout v int) as $$
> begin v := random() * r; end
> $$ language plpgsql;
>
> This command requires
>
> do $$
> declare r int default 100; x int;
> begin
>   for i in 1..300000 loop
>      call p1(r, x);
>   end loop;
> end;
> $$;
>
> about 2.2GB RAM and 10 sec.
>
I am having a consistent result of 3 secs, with a modified version
(exec_stmt_call) of your patch.
But my notebook is (Core 5, 8GB and SSD), could it be a difference in the
testing hardware?

regards,
Ranier Vilela