Hi Pascal,
> -Original Message-
> From: Pascal KISSIAN [mailto:php-mailing-l...@lool.fr]
> Sent: Friday, November 27, 2015 11:03 AM
> To: internals@lists.php.net
> Subject: [PHP-DEV] Proof of Concept : 3.5x and more Performance Boost for
> php7 using 4 cores
> Importance: High
>
> Hi ever
-Message d'origine-
De : Nikita Popov [mailto:nikita@gmail.com]
Envoyé : jeudi 26 novembre 2015 18:25
À : PHP internals; Anatol Belski; Remi Collet
Objet : HashDos protection
>Hi internals!
>his mail turned out to be rather long, so I'll start with a TL;DR:
>To fix the HashDos vulner
Hi Nikita,
> -Original Message-
> From: Nikita Popov [mailto:nikita@gmail.com]
> Sent: Thursday, November 26, 2015 6:25 PM
> To: PHP internals ; Anatol Belski
> ; Remi Collet
> Subject: [PHP-DEV] HashDos protection
>
> Hi internals!
>
> This mail turned out to be rather long, so I'l
On 11/27/2015 2:21 PM, Yasuo Ohgaki wrote:
Hi Thomas,
In practice, we wouldn't have problems with max number of collisions.
Is CLI going to be or can CLI be excluded from max collisions? After
thinking about it for a long while, that's my only area of concern here.
SAPI can (fatal) error t
Hi Thomas,
On Sat, Nov 28, 2015 at 2:07 AM, Thomas Hruska wrote:
> I don't know if anyone has suggested this before, but why not have a
> function that application developers can call to switch hash modes and
> support multiple hash modes in the core?
>
> I've always viewed 'max_input_vars' as an
Johannes Schlüter 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
Hi,
On Thu, Nov 26, 2015 at 5:24 PM, Nikita Popov wrote:
>
>
> What are your thoughts on this?
>
>
First of all, thanks a lot for looking into it! That's great!
I think that it's all cool except the fact that json_decode would result in
fatal error. I don't think that json_decode should kill th
On 11/27/2015 9:12 AM, Nikita Popov wrote:
On Thu, Nov 26, 2015 at 8:35 PM, Niklas Keller wrote:
Would this be a catchable Error (implementing Throwable) or a real fatal?
Having a real fatal could lead to a DOS in Aerys as you'd be able to crash
workers with carefully crafted input variables t
On Thu, Nov 26, 2015 at 8:35 PM, Niklas Keller wrote:
> Would this be a catchable Error (implementing Throwable) or a real fatal?
> Having a real fatal could lead to a DOS in Aerys as you'd be able to crash
> workers with carefully crafted input variables then.
>
It would be a real fatal error.
On Fri, 2015-11-27 at 15:27 +0100, Pascal KISSIAN wrote:
> Hi Johannes,
> thanks for the answer,
>
> -Message d'origine-
> De : Johannes Schlüter [mailto:johan...@schlueters.de]
> Envoyé : vendredi 27 novembre 2015 14:42
> À : Pascal KISSIAN
> Cc : internals@lists.php.net
> Objet : Re: [P
Hi Johannes,
thanks for the answer,
-Message d'origine-
De : Johannes Schlüter [mailto:johan...@schlueters.de]
Envoyé : vendredi 27 novembre 2015 14:42
À : Pascal KISSIAN
Cc : internals@lists.php.net
Objet : Re: [PHP-DEV] Proof of Concept : 3.5x and more Performance Boost for
php7 using
Results for project PHP master, build date 2015-11-27 14:24:32+02:00
commit: 95283a050473ee433af0fe235852d990425b4e87
revision date: 2015-11-26 16:57:11+01:00
environment:Haswell-EP
cpu:Intel(R) Xeon(R) CPU E5-2699 v3 @ 2.30GHz 2x18 cores, stepping
2, LLC 45 MB
mem
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.
[...]
> Use :
>
> OMP_NUM_THREADS=xx /path_to/php test_file.php
Your test runs a single PHP process. Mind that in a typica
Currently it's not catchable, that's my main concern. If it's catchable,
it's not that much of a problem.
Regards, Niklas
2015-11-27 10:05 GMT+01:00 Yasuo Ohgaki :
> Hi Nikita,
>
> On Fri, Nov 27, 2015 at 2:24 AM, Nikita Popov
> wrote:
> > What are your thoughts on this?
>
> Great! This is exac
Hi everybody,
I made a simple test to know if it was possible to speed-up php performance
by using parallel programming.
I modified 2 functions within ./ext/standard/array.c file of PHP-7.0.0RC7 to
use openmp and added the
-fopenmp flag to the compiler flags in the Makefile.
I modified
Hi Nikita,
On Fri, Nov 27, 2015 at 2:24 AM, Nikita Popov wrote:
> What are your thoughts on this?
Great! This is exactly what I was thinking.
I prefer collision counting rather than slower hash function.
Hardcoded collision max (1000) seems ok for me.
Catchable fatal error, at least E_RECOVERAB
On Thu, 26 Nov 2015 at 17:25 Nikita Popov wrote:
> This will throw a fatal error if the number of
> collisions during an insertion operation exceed a certain threshold.
>
To me this feels like it's just moving a DoS vector from one place to
another.
As Niklas already pointed out, he is directly
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