Re: Method call overhead

From:	Michael Wallner	Date:	Wed, 03 Jun 2015 07:50:27 +0000
Subject:	Re: Method call overhead
References:	1	Groups:	php.internals
Request:	Send a blank email to [email protected] to get a copy of this message

> On 03 06 2015, at 05:30, Bishop Bettini <[email protected]> wrote:

> My question though is on relative times.  Method call overhead is
> consistently 50% to 150% over a direct call.  Is my experiment invalid, or
> is this overhead expected?  Is the overhead in the allocation,
> deallocation, GC?

I’suggest you use a tool like valgrind’s callgrind (and visualize with e.g. kcachegrind).

Regards,
Mike
 


   

Thread (12 messages)

• Bishop BettiniWed, 03 Jun 2015 03:30:05 +0000
  • Michael WallnerWed, 03 Jun 2015 07:50:27 +0000
    • Sara GolemonWed, 03 Jun 2015 14:29:51 +0000
      • Julien PauliWed, 03 Jun 2015 15:13:07 +0000
  • Brian MoonWed, 03 Jun 2015 22:33:51 +0000
    • Sara GolemonWed, 03 Jun 2015 23:34:16 +0000
    • Yasuo OhgakiThu, 04 Jun 2015 04:35:53 +0000
      • Yasuo OhgakiThu, 04 Jun 2015 04:44:07 +0000
      • Marc BennewitzThu, 04 Jun 2015 09:01:19 +0000
        • Rowan CollinsThu, 04 Jun 2015 17:00:02 +0000
          • Sara GolemonThu, 04 Jun 2015 21:55:36 +0000
            • Rowan CollinsFri, 05 Jun 2015 09:08:04 +0000