Em sáb., 16 de mai. de 2020 às 01:10, Pavel Stehule <pavel.steh...@gmail.com> escreveu:
> > > so 16. 5. 2020 v 5:55 odesílatel Ranier Vilela <ranier...@gmail.com> > napsal: > >> Em sáb., 16 de mai. de 2020 às 00:07, Pavel Stehule < >> pavel.steh...@gmail.com> escreveu: >> >>> >>> >>> so 16. 5. 2020 v 0:34 odesílatel Ranier Vilela <ranier...@gmail.com> >>> napsal: >>> >>>> Em dom., 10 de mai. de 2020 às 17:21, Pavel Stehule < >>>> pavel.steh...@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? >>>> >>> >>> My notebook is old T520, and more I have a configured Postgres with >>> --enable-cassert option. >>> >> The hardware is definitely making a difference, but if you have time and >> don't mind testing it, >> I can send you a patch, not that the modifications are a big deal, but >> maybe they'll help. >> > With more testing, I found that latency increases response time. With 3 (secs) the test is with localhost. With 6 (secs) the test is with tcp (local, not between pcs). Anyway, I would like to know if we have the number of parameters previously, why use List instead of Arrays? It would not be faster to create plpgsql variables. regards, Ranier Vilela
pl_exec_test.patch
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