HHVM vs PHP 7

steitieh

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Does any one hear about HHVM? should I use PHP HHVM+Apache2 or PHP7+Apache2 or HHVM+NginX or PHP7+Nginx for the best performance?
Which one is the best choice? and why?
 

eva2000

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From benchmarks I've done, stick with PHP 7 performance better than HHVM is some web apps and very close in other web apps but doesn't suffer from memory leaks or memory increase usage like HHVM.
 

Harry P

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Harry P
Can you share benchmarks?
It is possible to have benchmarks for my websites?
I would like to know how my website's performance works
 

eva2000

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forum rules don't allow linking to my own site unfortunately :(
 

Alex Thompson

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Alex Thompson
The benchmarks are not related to links unless they have more factors you explained there and you don't want to reexplain.
You can share your links on the forum if they are useful to questions or members, Moderators will know when someone is self promotion or sharing an useful link which helps others.

Our forum rules didn't allow linking to their own site because if we allow that, more members will promoting their websites or services in discussion threads and everything will become uncontrollable.
 

eva2000

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eva2000
Hi Alex thanks for the clarification of the rules. I did pm @fwh and he did said sharing links to my sites i.e. ovh benchmarks links posted on ovh related thread would be self promotion - hence why i haven't posted any.

@Harry P here's the link to the benchmarks I did way back, further posts down the thread (from post #5 onwards) are load/stress test benchmarks too and as you can see, PHP 7 is the better of the options than HHVM https://community.centminmod.com/threads/centmin-mod-lemp-hhvm-fastcgi-mode-on-centos-7.5440/ :)

PHP 7.0.x is as fast as HHVM. PHP 7.1.x is faster than PHP 7.0.x and if you know how to you can also implement Intel Profile Guided Optimisations (PGO) at GCC compiler level when compiling PHP 7 for an extra 3-17% boost https://software.intel.com/en-us/blogs/2015/10/09/pgo-let-it-go-php. Centmin Mod LEMP stack latest 123.09beta01 optionally supports PGO for PHP 7 installs :D
 

gagah

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gagah
You seem to be an expert on server side stuff so any clue on what's causing those memory leaks? I last tried HHVM+nginx on a centos 7 server 3 months ago and faced those exact issue. Setting memory_limit helps but mariadb still crash from time to time when i was using HHVM, so i revert back to php-fpm+nginx. Thought it was just an issue of misconfigurations but it seems that it's a known issue? :think:
 

JohnnyK

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The biggest difference when looking at PHP 7 vs HHVM is how both interpret PHP code, PHP 7 directly interprets and executes code on the server using the standard PHP interpreter, which is free for everyone.
The generated HTML code is transmitted to the client and then displayed to the web user.
HHVM, converts PHP code into Hip Hop bytecode before translating it into machine code and executing it
 

Sean101

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Never tried HHVM and I am using PHP 7 on my hosting server for all websites.
It is already integrated into components that must have on a server and didn't see any reasons why need to move to HHVM instead.
By the way, PHP 7 has better performance than previous versions.
 
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