Em dom., 29 de ago. de 2021 às 13:03, l...@laurent-hasson.com < l...@laurent-hasson.com> escreveu:
> >Sure, there's no question that message translation will have *some* cost. > >But on my machine it is an incremental tens-of-percent kind of cost, > >and that is the result you're getting as well. So it's not very clear > >where these factor-of-several-hundred differences are coming from. > >A hypothesis that has not yet come up, may be some defect in the code > generation, > >by the previous msvc compiler used, because in all my tests I always use > the latest version, > >which has several corrections in the code generation part. > > > ------------------------------------------------------------------------------------------------------------------------ > > Hello all, > > I don't think this reproduces the issue I experience. I saw a difference > of around 500x! What you see is 5x, which according to Tom would be > expected for an execution path involving exceptions. And NLS should have an > impact as well since more work happens. From the numbers you published, I > see 10-15% change which again would be expected? > Yes, It seems to me that is expected for NLS usage. > > I cannot think of anything that would be specific to me with regards to > this scenario given that I have tried it in quite a few environments from > plain stock installs. Until one of you is able to reproduce this, you may > be chasing other issues. > I think I'm unable to reproduce the issue, because I didn't use any plain stock installs. Postgres env tests here, is a fresh build with the latest msvc. I have no intention of repeating the issue, with something exactly the same as your environment, but with a very different environment. Can you show the version of Postgres, at your Windows 10 env, who got this result? Planning Time: 0.171 ms Execution Time: 88031.585 ms regards, Ranier Vilela
