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Date: Sat, 10 Sep 2022 18:40:05 +0200
Message-ID: <CAJmy8YGCrQ7zQ0wfPcAi+gS7WWPREgx20BGc_pnFT3kZUe7R+g@mail.gmail.com>
To: Eugene Sidelnyk <zsidelnik@gmail.com>
Cc: "Christoph M. Becker" <cmbecker69@gmx.de>, PHP Internals <internals@lists.php.net>
Content-Type: multipart/alternative; boundary="000000000000cdc3be05e8555234"
Subject: Re: [PHP-DEV] Re: str_repeat performance
From: divinity76@gmail.com (Hans Henrik Bergan)

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maybe you'll find
$t=microtime(true) - $startTime;
var_dump($t,number_format($t,10));

interesting, https://3v4l.org/Ejia3

On Sat, 10 Sept 2022 at 17:11, Eugene Sidelnyk <zsidelnik@gmail.com> wrote:

> Oh, yes. Sorry for that.
>
> Thanks for pointing out.
>
> On Sat, Sep 10, 2022 at 3:23 PM Christoph M. Becker <cmbecker69@gmx.de>
> wrote:
>
> > On 10.09.2022 at 14:19, Eugene Sidelnyk wrote:
> >
> > > I have noted some strange points about `str_repeat` performance. It
> looks
> > > like the lesser `$times` argument is, the bigger is execution time
> (only
> > if
> > > we consider big numbers).
> > >
> > > For example, `str_repeat('%d ', 12500);` is a lot slower than
> > > `str_repeat('%d ', 1250000)`.
> > >
> > > First case (slow one):
> > > https://3v4l.org/ZAoGi
> > >
> > > Second case (fast one):
> > > https://3v4l.org/YIdQM
> >
> > It seems you have misinterpreted the results.  4.792213439941406E-5 is
> > certainly much smaller than 0.013129949569702148, for instance.
> >
> > --
> > Christoph M. Becker
> >
> >
>

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