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Date: Sat, 28 Nov 2015 09:37:58 +0100
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To: Jan Ehrhardt <phpdev@ehrhardt.nl>
Cc: PHP internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] Proof of Concept : 3.5x and more Performance Boost for
 php7 using 4 cores
From: martin.keckeis1@gmail.com (Martin Keckeis)

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Am 27.11.2015 9:35 nachm. schrieb "Jan Ehrhardt" <phpdev@ehrhardt.nl>:
>
> Johannes Schl=C3=BCter in php.internals (Fri, 27 Nov 2015 14:41:33 +0100)=
:
> >On Fri, 2015-11-27 at 11:02 +0100, Pascal KISSIAN wrote:
> >>
> >> I made a simple test to know if it was possible to speed-up php
> >> performance by using parallel programming.
> >
> >Your test runs a single PHP process. Mind that in a typical deployment
> >on a server you have quite a few parallel PHP processes already
> >competing for time on the CPU (when not waiting for IO) a benchmark
> >should reflect that.
>
> In most cases that is true. But not always: we have an application that
> uses PHP for matching a lot of profiles with a couple of hundred job
> opportunities. Despite a lot of optimizations it drills down to a single
> PHP thread doing the bulk of the processing. We even chose a processor
> with a high single thread score when we had to buy a dedicated server to
> run this application, using these charts:
> http://www.cpubenchmark.net/singleThread.html
>
> So anything that makes PHP using more cores would be very welcome.
> Preferably it has to be transparent, i.e. without extra coding like
> starting up more threads using the php threads extension.
> --
> Jan
>
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>

Maybe a bit offtopic, but for that jobqueue and workers were designed? So
you could use multiple workers?

Or is it not possible there?

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