Re: str_repeat performance
| From: | Eugene Sidelnyk | Date: | Sat, 10 Sep 2022 15:10:43 +0000 |
| Subject: | Re: str_repeat performance | ||
| References: | 1 2 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-118602@lists.php.net to get a copy of this message | ||
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
>
>